Carrier vector 1550 ошибка а71

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• Page 1
  Trailer Refrigeration EVAPORATOR EVXV CONDENSER RECEIVER OPERATION&SERVICE MANUAL VECTOR 1550 & 1550 CITY Trailer Refrigeration Units 62-61753-21…
• Page 3
  OPERATION&SERVICE MANUAL VECTOR 1550 & 1550 CITY Trailer Refrigeration Units…

• Page 5: Table Of Contents

  TABLE OF CONTENTS Hystory …………………………….1-1 SECTION 1 — SAFETY PRECAUTIONS …………………… 1-2 GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER TRANSICOLD PRODUCT ..1-2 1.1.1 Important to read and follow during Regular maintenance: …………… 1-2 SAFETY PRECAUTIONS …………………….. 1-3 SPECIFIC WARNING AND CAUTION STATEMENTS …………….1-3 SPECIFIC R-452A REFRIGERANT WARNING AND CAUTION ………….

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  2.12 ELECTRICAL DATA ……………………..2-18 2.13 COMPONENT RESISTANCE & CURRENT DRAW DATA …………..2-19 2.14 SAFETY DEVICES ……………………..2-19 2.15 REFRIGERANT CIRCUIT DURING COOLING ………………2-19 2.16 HEAT AND DEFROST ……………………..2-20 SECTION 3 — OPERATION ………………………. 3-1 STARTING UNIT — ENGINE OPERATION ………………..3-1 STARTING UNIT — STANDBY OPERATION ………………..
• Page 7
  4.5.5 Null Mode ……………………….4-5 4.5.6 Defrost Mode ……………………….. 4-5 USER SELECTED OVERRIDE OPERATION ………………4-6 4.6.1 Supply Air Limit Control ……………………4-6 4.6.2 Temperature Range Lock 1 & 2 ………………….4-7 4.6.3 ProductShield ……………………….. 4-9 4.6.4 ProductShield Temperature Ranges ………………..4-10 PREPROGRAMMED SOFTWARE OVERRIDES ……………….
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  FAILED TO RUN MINIMUM TIME ………………..7-22 FAILED TO START — AUTO MODE ………………… 7-23 ENGINE FAILED TO STOP ………………….7-24 CHECK STARTER CIRCUIT ………………….7-25 CHECK COOLANT TEMPERATURE ………………. 7-26 CHECK LOW SPEED RPM ………………….7-27 CHECK HIGH SPEED RPM ………………….7-28 CHECK ENGINE RPM……………………
• Page 9
  CHECK EVAPORATOR TEMPERATURE SENSOR (EVOT) …………. 7-69 CHECK REMOTE TEMPERATURE SENSOR 1 (REMSN1) …………7-70 CHECK REMOTE TEMPERATURE SENSOR 2 (REMSN2) …………7-70 CHECK REMOTE TEMPERATURE SENSOR 3 (REMSN3) …………7-70 Pretrip ALARMS ……………………….7-71 P141 PRETRIP STOPPED BY USER ………………..7-71 P145 CHECK SPEED SOLENOID CIRCUIT ………………
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  CONFIGURATION MODE / HP2 ERROR ………………7-94 MICROPROCESSOR ERROR ………………… 7-95 SECTION 8 — SERVICE ……………………….8-1 SECTION LAYOUT ……………………… 8-1 SCHEDULED MAINTENANCE ……………………. 8-1 PRETRIP INSPECTION ……………………..8-3 ENGINE SERVICE AND COMPONENTS ………………..8-4 8.4.1 Fuel System ……………………….8-4 8.4.2 Priming the Fuel System ……………………
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  10.1.1 Engine Will Not Start ……………………10-1 10.1.2 Engine Starts Then Stops …………………… 10-2 10.1.3 Engine Will Not Shut Off ……………………10-2 10.1.4 Starter Motor Malfunction …………………… 10-2 10.1.5 Malfunction In The Engine Starting Circuit ………………10-3 10.1.6 Miscellaneous Engine Troubleshooting ………………. 10-3 10.2 BATTERY CHARGER ……………………..
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  LIST OF ILLUSTRATIONS Figure 2-2. Vector 1550 CITY Front View — Engine/Control Components …………..2-5 Figure 2-3. Evaporator Section — Grille Removed ………………… 2-7 Figure 2-4. Control Box ……………………….. 2-8 Figure 2-5. Control Module ……………………….. 2-12 Figure 2-6. Display And Keypad ……………………..2-13 Figure 2-7.
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  LIST OF TABLES Table 2-1. Model Chart ……………………….. 2-2 Table 3-1. Unit Data …………………………3-18 Table 3-2. Functional Parameters …………………….. 3-22 Table 4-1. Glow Time …………………………4-2 Table 5-1. Component Test ……………………….5-2 Table 5-2. Microprocessor Configurations …………………… 5-8 Table 8-1. Maintenance Schedule ……………………..8-2 Table 8-2.

• Page 15: Hystory

  Hystory RELEASE DESCRIPTION OF CHANGE DATE Rev-  Original release  Add of the chapter 1.1: GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER RevG Feb 2016 TRANSICOLD PRODUCT  Add of R-452A refrigerant specification 62-61753-21…

• Page 16: Section 1 — Safety Precautions

  SECTION 1 — SAFETY PRECAUTIONS 1.1 GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER TRANSICOLD PRODUCT 1.1.1 Important to read and follow during Regular maintenance: Regular maintenance includes a quick overview of the units from a safety perspective: Service Technician must pay particular attention, but not exclusively to the 3 direc- tives here under.

• Page 17: Safety Precautions

  SAFETY PRECAUTIONS Engine Coolant Your Carrier Transicold refrigeration unit has been The engine is equipped with a pressurized cooling designed with the safety of the operator in mind. Dur- system, including a pressurized coolant bottle. Under ing normal operation, all moving parts are fully en- normal operating conditions, the coolant in the engine closed to help prevent injury.

• Page 18
  WARNING WARNING LogiCOLD microprocessor equipped units Do not remove the cap from a hot radiator; may start automatically at any time the if the cap must be removed, do so very START/RUN-OFF switch (SROS) is not in slowly in order to release the pressure the OFF position.
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  Do not use a nitrogen cylinder without The use of inert gas brazing procedures is a pressure regulator. Cylinder pressure mandatory for all Carrier Transicold refrig- is approximately 159.9 bar (2350 psig). eration units; otherwise compressor failure Do not use oxygen in or near a refrigerant will occur.

• Page 20: Specific R-452A Refrigerant Warning And Caution

  SPECIFIC R-452A REFRIGERANT WARNING AND CAUTION CAUTION WARNING As distinct of R404A refrigerant, R-452A has slidding properties more important and not negligeable between vapour state and R-452A is an A1 non-flammable refrigerant liquid state. blend; however certain of its constituents are considered A2L midly flammable.

• Page 21
  0 psig. Never operate the compressor with Boards. Should a problem develop with the suction or discharge service valves these components, contact your nearest closed (frontseated). Internal damage will Carrier Transicold dealer for replacement. result from operating the compressor in a deep vacuum. 62-61753-21…

• Page 22: Safety Decals

  SAFETY DECALS 62- -02143- -00 Rev — — 62- -61343- -00 Rev — — or 62- -02139- -01 Rev C 62-61753-21…

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  62-03957-01 62-03958-00 or -01 62-61478 Rev A High Voltage Warning Burn Warning Heat Warning 62-60280-00 Rev A Standby Safety Waring 62-61753-21…
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  62—60192—00 Rev D 1-10 62-61753-21…

• Page 25: Section 2 — Unit Description

  SECTION 2 — UNIT DESCRIPTION INTRODUCTION REFRIGERANT TYPES USED WARNING WARNING LogiCOLD microprocessor equipped units may start automatically at any time the The unit can be charged with R-404A or R- START/RUN-OFF switch (SROS) is not in 452A. the OFF position. Also, the unit may be fit- Do not mix R-404A and R-452A refrigerant.

• Page 26: Table 2-1. Model Chart

  Table 2-1. Model Chart Refrigerant Nominal Engine Refrigerant Charge Speed Model Unit type Compressor Engine type High Vector 1550 R-404A 6.35 Scroll V1505 1870 1430 Vector 1550 CITY NDK33BN6KB Vector 1550-11 R-404A Scroll V1505 1870 1430 Vector 1550-11 City Vector 1550 Road only unit — DO NOT select this unit in configurations at this NDK33BN0KB R-404A…

• Page 27
  (LOCATION) 1. Condenser/Radiator 13. High Pressure Switch (HP1) 2. Defrost Air Switch (DAS) 14. Compressor Suction Temperature Sensor (CST) 3. Receiver And Sight Glasses 15. Discharge Service Valve 4. Liquid Line Service Valve 16. Compressor Discharge Temperature Sensor (CDT) 5. Compressor Suction Modulation Valve (CSMV) 17.
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  (LOCATION) 1. Condenser/Radiator 13. High Pressure Switch (HP1) 2. Defrost Air Switch (DAS) 14. Compressor Suction Temperature Sensor (CST) 3. Receiver And Sight Glasses 15. Discharge Service Valve 4. Liquid Line Service Valve 16. Compressor Discharge Temperature Sensor (CDT) 5. Compressor Suction Modulation Valve (CSMV) 17.
• Page 29
  (Behind Filter) 1. Fuel Filter 12. Engine Oil Pressure Switch (ENOPS) 2. Lube Oil Filter 13. Download Port 3. Battery Charger (BTYC) 14. Display And Keypad 4. Battery (BTY) 15. Lube Oil Fill 5. Generator (GEN) 16. Fuel Solenoid (FS) 6.
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  62-61753-21…
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  1. Supply air temperature sensor (SAT) 11. Heater Connection Service Access 2. Evaporator fan and motor service access 12. Evaporator expansion valve (EVXV) 3. Evaporator fans and motors (EVM1 & EVM2) 13. Electric heaters (HTR1) 4. Evaporator High Temperature Switch (EVHTS) 14.
• Page 32
  (LOCATION) 1. AC current transformer (CT2/3/4) 14. Run control relay (RCR). Used with remote control 2. Overload ground fault (OGF) panel only 3. Phase reversal module (PRM) 15. Buzzer (B) 4. Heater contactor 1 (HTCON1) 16. Microprocessor (M) 5. Heater contactor 2 (HTCON2) 17.

• Page 33: Condensing Section

  CONDENSING SECTION 2.4.5 Compressor The condensing section (see Figure 2-1) consists of The unit is fitted with a scroll compressor equipped an engine-generator drive package, compressor, with suction and discharge service valves and an economizer heat exchanger, condenser fans, conden- economizer connection.

• Page 34: Ambient Air Temperature Sensor (Aat)

  2.4.10 Ambient Air Temperature Sensor (AAT) sure drop across the coil) or by the defrost timer in the microprocessor. The AAT provides microprocessor with condenser entering air temperature information to be displayed, 2.5.1 Evaporator Coil recorded in the Data Recorder and used to control the The unit evaporator is a tube in fin type.

• Page 35: System Operating Controls And Components

  The following additional special features are incorpo- The PC card slot allows programming of the micropro- rated into the Carrier Transicold LogiCOLD Micropro- cessor using Carrier Transicold PC Cards. The con- cessor: troller automatically detects the presence and type of PC Card inserted and responds accordingly.

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  There are three LEDs associated with the function of 2. During Download, the light will blink once per sec- the PC card slot. These are: ond and will blink every 1.5 seconds when the Download is complete.  A green Micro Status LED which will blink steadily …
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  1. Switch Board 8. Manual Defrost Key 2. Indicator lights 9. Alarm List Key 3. Display 10. Start/Stop-Continuous Key 4. MessageCenter 11. Select Key 5. Keypad 12. Start/Run-Off Switch (SROS) 6. Up and Down Arrow Keys 13. Standby/Engine Switch 7. Enter Key 14.
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  c. Switch Board START-STOP/CONTINUOUS Key START- — STOP/ CONTINUOUS 1 LANGUAGE Switch (LS) Pressing this key toggles between Start- Stop and Continuous Run operation. displayed language changed by toggling the LANGUAGE SELECT Key SELECT LANGUAGE switch. Press the SELECT key to scroll through 2 STANDBY/ENGINE Switch (DES) the menu selections.

• Page 39: Electronic Modules

  ELECTRONIC MODULES 2.7.1 Overload Ground Fault Module (OGF) AMBER GREEN Figure 2-6. OGF Module 2.8.2 Door/Remote Switch(es) The OGF is located in the control box (see Figure 2-4). The unit is provisioned to connect a Door Switch (DS) The module has two electrical safety features in En- and two additional Remote Switches directly to the gine and standby Operation: microprocessor.

• Page 40: Remote Temperature Sensors

  2.8.4 Remote Temperature Sensors In addition to the ability to pre-set the microprocessor parameters, the IntelliSet option includes Prod- The unit is provisioned to connect a up to three remote uctShield. ProductShield is a group of nine Configura- temperature sensors directly to the microprocessor. tions which may be set to provide enhanced product or The microprocessor may be configured to display the unit protection under extreme ambient conditions.

• Page 41: Compressor Data

  40.8 kg (90 lbs) Dry Oil Charge 1.77 L (60 ounces) Approved OIl Uniqema Emkarate RL-32-3MAF Carrier Part Number 46-00025-04 2.11 REFRIGERATION SYSTEM DATA Defrost Air Switch (DAS) Initiates Defrost: 35 ± 1.8 mm WG (1.40 ± .07 inch) Defrost Timer (micro controlled) 1.5h, 3h, 6h, or 12 hours…

• Page 42: Electrical Data

  2.12 ELECTRICAL DATA Full Load Amps (FLA) Rating: 10.4 amps System current limit — high speed: 16 amps Compressor Motor System current limit — low speed: 14.5 amps Locked Rotor Locked rotor amps: 75 Winding Resistance 2.26 Ohms per leg Full Load Amps (FLA) 1.5 amps @ 65 Hz Horsepower…

• Page 43: Component Resistance & Current Draw Data

  2.13 COMPONENT RESISTANCE & CURRENT DRAW DATA Component Ohms Amps Unloader/Economizer/Liquid Injection Solenoid 6.8 Ohms 1.65 Amps Valves Speed solenoid (SCS) 1.5 to 2.5 Ohms 3.0 — 8.0 Amps 12VDC Relay 10-00328-00 (CDCON, EVCON, 52 Ohms ±10% 0.22 — 0.25 Amps GPR, HTCON2, SSR, 12VDC Relay 10-00433-01 &…

• Page 44: Heat And Defrost

  The receiver stores the additional charge necessary c. Economized Mode for low ambient operation. The receiver is equipped In the economized mode the «main» refrigeration sys- with a relief valve. tem operates the same as in the Standard Mode ex- The refrigerant leaves the receiver and flows through cept the microprocessor energizes (opens) the econ- the liquid line service valve to the subcooler.

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  EVOP EVOT EVAPORATOR CSMV EVXV RELIEF VALVE CONDENSER RECEIVER LIQUID LINE SERVICE VALVE SUBCOOLER FILTER DRIER COMPRESSOR DISCHARGE SERVICE VALVE ECONOMIZER HEAT EXCHANGER ECONOMIZER CONNECTION HIGH PRESSURE VAPOR COMPRESSOR HIGH PRESSURE LIQUID SUCTION LOW PRESSURE LIQUID SERVICE VALVE MEDIUM PRESSURE VAPOR COMPRESSOR LOW PRESSURE VAPOR Figure 2-8.
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  EVOP EVOT EVAPORATOR CSMV EVXV RELIEF VALVE CONDENSER RECEIVER LIQUID LINE SERVICE VALVE SUBCOOLER FILTER DRIER COMPRESSOR DISCHARGE SERVICE VALVE ECONOMIZER HEAT EXCHANGER ECONOMIZER CONNECTION HIGH PRESSURE VAPOR COMPRESSOR HIGH PRESSURE LIQUID SUCTION LOW PRESSURE LIQUID SERVICE VALVE MEDIUM PRESSURE VAPOR COMPRESSOR LOW PRESSURE VAPOR Figure 2-9.
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  EVOP EVOT EVAPORATOR CSMV EVXV RELIEF VALVE CONDENSER RECEIVER LIQUID LINE SERVICE VALVE SUBCOOLER FILTER DRIER COMPRESSOR DISCHARGE SERVICE VALVE ECONOMIZER HEAT ECONOMIZER HEAT EXCHANGER EXCHANGER ECONOMIZER CONNECTION COMPRESSOR HIGH PRESSURE VAPOR SUCTION HIGH PRESSURE LIQUID HIGH PRESSURE ECONOMIZED LIQUID SERVICE VALVE LOW PRESSURE LIQUID COMPRESSOR…

• Page 49: Section 3 — Operation

  SECTION 3 — OPERATION WARNING WARNING LogiCOLD microprocessor equipped units Be aware of HIGH VOLTAGE supplied at may start automatically at any time the the power plug or from the generator. START/RUN-OFF switch (SROS) is not in When performing service or maintenance the OFF position.

• Page 50: Starting Unit — Standby Operation

  STARTING UNIT — STANDBY OPERATION WARNING Make sure the power plug is clean and dry before connecting to any electrical outlet / receptacle. WARNING Do not connect to any electrical outlet without checking that it meets the 380/3/50 and 16 Amp elec- trical requirements of the unit.

• Page 51: Self Test

  SELF TEST MODE LIGHTS LAN GUAGE MAIN DISPLAY STANDB Y MESSAGE CENTER ENGINE START /RUN DOOR SELF TEST When first powered up, the microprocessor will run a  If the microprocessor has been configured to dis- self test consisting of the following steps: play the hour meters, the Total Engine Hours, …

• Page 52: Pretrip

  PRETRIP 1. Place SROS in the “START / RUN” position. COOL DEFROST ALARM START-STOP — -20.0 +34.5° F TEST #1 XX% COMPLETE KEYPAD SELECT MANUAL ALARM LIST START- — STOP/ DEFROST CONTINUOUS 2. Press the SELECT key until the MessageCenter displays “PRESS THE = KEY TO START PRETRIP”.

• Page 53
  Test 2 will continue with a check of the amperage (cur- rent) draw of the following components: Pretrip may be stopped by the user by ei-  Battery DC Current (All Components Turned Off) ther turning the unit off then back on again, or by pressing and holding the «=»…
• Page 54
  Test 8 — Evaporator Fan Motor Amperage Test 12 — Unloader Solenoid Valve (USV) Check This test checks the operation of the unloader solenoid valve. If suction pressure does not change when USV The evaporator motor contactor is energized and is de-energized, the «CHECK BYPASS»…

• Page 55: Changing Set Point

  CHANGING SET POINT COOL DEFROST ALARM START-STOP — -20.0 +34.5° F SETPOINT CHANGED SELECT MANUAL ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. With the set point displayed, press the UP ARROW or DOWN ARROW key to change the set point to the desired value. The MessageCenter will display “↑↓…

• Page 56: Start-Stop Operation

  START-STOP OPERATION START—STOP LIGHT COOL DEFROST ALARM START-STOP — -20.0 +34.5° F START/STOP MODE SELECTED MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the START—STOP / CONTINUOUS key until the START—STOP Light on the microprocessor illuminates. 2. Verify that “START/STOP MODE SELECTED” is displayed on the MessageCenter and that the START- STOP light is illuminated.

• Page 57: Restart Voltage

  The microprocessor may be configured so that: The Configuration may be set from 1.0 to 10.0 Amps in 0.5 amp increments. A weak or defective battery may  the same settings apply to any set point, or indicate a suitable voltage charge while the alternator …

• Page 58: Continuous Operation

  CONTINUOUS OPERATION CONTINUOUS RUN LIGHT COOL DEFROST ALARM START-STOP — -20.0 — -20.0 +34.5° F CONTINUOUS RUN MODE SELECTED MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the START-STOP/CONTINUOUS 2. Verify that “CONTINUOUS RUN MODE SELECTED” is key until the CONTINUOUS RUN displayed on the MessageCenter and that the CONTINU- light on the microprocessor illuminates.

• Page 59: Sleep Mode

  SLEEP MODE COOL DEFROST ALARM START-STOP SLEEP MODE SETTINGS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS TO ENTER SLEEP MODE If the unit is equipped with IntelliSet, it can be placed in sleep mode by choosing IntelliSleep. (refer to Section 3.19.1). If the unit is not equipped with IntelliSet: 1.

• Page 60
  Pressing the «=» key will allow the user to select the If the unit is already running when Sleep Mode is se- date and time the unit is to automatically wake up. The lected, it will continue to run until the conditions de- wake up time must be at least 1 hour and no more scribed above are met.

• Page 61: Manual Defrost

  MANUAL DEFROST DEFROST LIGHT COOL DEFROST ALARM START-STOP — -20.0 DEFROST CYCLE STARTED SELECT MANUAL ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the MANUAL DEFROST key. The DEFROST light will come on and the MessageCenter will display “DEFROST CYCLE STARTED” for 5 seconds, or flash “CANNOT START DEFROST CYCLE”…

• Page 62: Trip Start

  3.10 TRIP START COOL DEFROST ALARM START-STOP — -20.0 +34.5° F TRIP START ENTERED MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. To mark the start of a trip in the Data Recorder, press the SELECT key until the Mes- sageCenter displays “PRESS = TO MARK TRIP START”.

• Page 63: View Active Alarms

  3.11 VIEW ACTIVE ALARMS ALARM LIGHT COOL DEFROST ALARM START-STOP — -20.0 +34.5° F NO ACTIVE ALARMS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the ALARM LIST key. If there are no active alarms, “NO ACTIVE ALARMS”…

• Page 64: View Inactive Alarms

  3.12 VIEW INACTIVE ALARMS COOL DEFROST ALARM START-STOP — -20.0 +34.5° F NO INACTIVE ALARMS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press ALARM LIST key and the UP ARROW key and hold both for 6 seconds. If there are no inactive alarms, “NO INACTIVE ALARMS”…

• Page 65: Unit Data

  3.13 UNIT DATA COOL DEFROST ALARM START-STOP — -20.0 +34.5° F SETPOINT BOX TEMPERATURE PRESS TO VIEW DATA MANUAL SELECT ALARM LIST START-STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW DATA.” 2. Press the UP ARROW key to move down the Data List beginning at the top, or press the DOWN ARROW key to move up the Data List beginning at the bottom.

• Page 66: Table 3-1. Unit Data

  Table 3-1. Unit Data * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings DATA DEFINITION SUCTION PRESSURE Compressor suction pressure DISCHARGE PRESSURE Compressor discharge pressure EVAPORATOR PRESSURE Leaving evaporator pressure ENGINE COOLANT TEMP Engine coolant temperature RETURN AIR TEMP…

• Page 67
  * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings DATA DEFINITION PRODUCTSHIELD SETUP: This will only display when IntelliSet is installed, ProductShield setting is ON and ECONO, HIGH AIR and/or WINTER is/are NOT OFF. •…

• Page 68: View Hourmeters

  3.14 VIEW HOURMETERS COOL DEFROST ALARM START-STOP — -20.0 +34.5° F TOTAL ENGINE HOURS: 0 HRS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter dis- plays “PRESS ↑↓ TO VIEW HOUR METERS”. 2.

• Page 69: Functional Parameters

  3.15 FUNCTIONAL PARAMETERS COOL DEFROST ALARM START-STOP — -20.0 +34.5° F PRESS TO VIEW SETTINGS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW SETTINGS”. 2. When the UP ARROW key is pressed, the Function List will scroll down. When the DOWN ARROW key is pressed, the Function List will scroll up.

• Page 70: Table 3-2. Functional Parameters

  Table 3-2. Functional Parameters PARAMETER FUNCTION DESCRIPTION SELECTIONS NOTES: Selections in BOLD are the default settings. Also, Functional Parameter marked with an asterisk (*) may not display in the list for this unit, depending on how the microprocessor has been configured. SILENT MODE OFF — Normal engine speed operation.

• Page 71
  PARAMETER FUNCTION DESCRIPTION SELECTIONS RETURN AIR TEMPERATURE The unit has both a Return Air Sensor and a Supply Air Sensor. This CONTROL SUPPLY AIR selection determines if: only the return air sensor reading will be used for calculating control actions OR only the supply air sensor reading will be used for calculating control actions.
• Page 72
  PARAMETER FUNCTION DESCRIPTION SELECTIONS * RESET PM NO METERS TO *If the PM Hourmeter is configured OFF, this parameter will not dis- HOURMETERS RESET play This Functional Parameter allows resetting of the PM Maintenance Expired Hour Meters Hour Meters when the hour meter has timed out, and preventative •…

• Page 73: Language Selection

  3.16 LANGUAGE SELECTION To change the displayed language, do the following LAN GUAGE Toggle the LANGUAGE switch. Language order is: Spanish, French, German, Italian, Dutch, Dan- STANDB Y ish, Russian, Portuguese and English. ENGINE START /RUN 3-25 62-61753-21…

• Page 74: Stopping Unit

  3.17 STOPPING UNIT WARNING Always place SROS in the OFF position and turn off the high voltage power supply before discon- necting the high voltage power plug from the unit. STANDB Y ENGINE 1. To stop the unit, place the START / RUN — OFF switch in the OFF position.

• Page 75: Data Recording

  3.18 DATA RECORDING c. Event Occurrences The Advance microprocessor contains a built-in Data- This information is any additional data that is recorded Recorder with 512K of memory. The recorded data on a «when it occurs» basis. Events are recorded by can be downloaded from the DataRecorder using ei- the recorder as they occur.

• Page 76: Options

  3.19 OPTIONS 3.19.1 IntelliSet COOL DEFROST ALARM START-STOP +34.0 +34.5° F MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS DURING START UP Observe the MessageCenter during the Power—Up process. If the unit is equipped with IntelliSet, the name of the active or modified IntelliSet will be displayed for approximately 10 seconds before the engine starts. DURING OPERATION Press the SELECT key to view current IntelliSet.

• Page 77
  a. Changing IntelliSets — With «=» Key Enabled NOTE: If pressing the “=” key does not bring up the IntelliSet message the mi- croprocessor is not configured with this feature. To view IntelliSets, refer to the following section. COOL DEFROST ALARM START-STOP +34.0…
• Page 78
  b. Changing IntelliSets — Without «=» Key Enabled COOL DEFROST ALARM START-STOP — -20.0 +34.5° F PRESS TO VIEW INTELLISETS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until MessageCenter displays PRESS TO VIEW INTELLISETS. 2.

• Page 79: Remote Control Panel

  3.19.2 Remote Control Panel 1 Control panel power on LED 2 System ON/OFF key 3 Manual defrost key 4 Control panel lock LED 5 HEAT mode LED 6 COOL mode LED 7 Up and down arrow keys 8 Set point display 9 Temperature display in C°…

• Page 80
  a. Starting Unit with Remote Control Panel NOTE The unit can be shut down using either the remote panel or the main START / RUN-OFF switch. The SROS must be in the «START /RUN» position in order for the remote panel to operate. CAUTION If the unit is to remain off for an extended period of time the SROS must be placed in the OFF posi- tion to prevent a constant drain on the battery.
• Page 81
  4. Set lowest set point required. 5. Press Carrier logo and P2 will be displayed. Set next highest tem- perature required. 6. Follow same procedure for the next three temperatures. 2. Press Carrier logo and the lock light will illuminate. 3-33 62-61753-21…
• Page 82
  1. Place SROS in the “START /RUN” position. 3. Press UP ARROW for 10 seconds. P1 will be displayed. 4. Set temperature to lowest pre—set set point and OFF will be displayed 2. Press Carrier logo and the lock light will illuminate. 3-34 62-61753-21…

• Page 83: Section 4 — Temperature Control

  SECTION 4 — TEMPERATURE CONTROL NOTES 1. If the unit is in an alarm condition, the microprocessor alarm response may override the operation de- scribed herein. If an alarm is displayed in the MessageCenter, refer to the specific alarm description in Section 7 for «Unit Control»…

• Page 84: Transition To High Speed

  Table 4-1. Glow Time When the required glow time has elapsed the starter solenoid relay will be energized for a maximum of ten Glow Time in Sec- seconds while the engine condition is checked each onds Engine Coolant Temp two seconds during the cranking period. The engine is considered to be running, and the start sequence will SHORT LONG…

• Page 85: Start-Stop Operation

  If TOGETHER is selected, then the following Func- HIGH SPEED LOW SPEED tional Parameter values will be available for use: COOLING  MINIMUM RUN TIME APT-SP is greater than APT-SP is less than  MINIMUM OFF TIME 2°C (3.6°F) 1.8°C (3.24°F) …

• Page 86: Re-Start Parameters

  4 The battery is fully charged — Amperage. 4 The Maximum Off Time has expired. The microprocessor will calculate the average current In some ambient conditions, there are times when the draw over a 20 second period. Once this average unit may be off for very long periods of time.

• Page 87: Cool Mode

   when in Continuous Operation, with a setpoint less COOL MODE than 18.4°C (65.1°F) and the microprocessor has Switch On when CT-SP Switch Off when CT-SP calculated Control Temperature is in the required is greater than or equal is less than -0.2°C range.

• Page 88: User Selected Override Operation

  Defrost based on coil condition will be initiated when:  defrost is initiation by closing of the DAS con- tacts with RAT greater than or equal to 4.0°C  blockage is sufficient to cause an air pressure dif- (39.2°F) and ferential across the coil great enough to close the …

• Page 89: Temperature Range Lock 1 & 2

   the START-STOP SUPPLY AIR LIMIT Differential Sensitive Product Functional Parameter changed to YES. With this setting, the limit control will Configuration value not allow supply air temperature to fall below 0°C (32.0°F).  the CONTINUOUS RUN SUPPLY AIR LIMIT Dif- In example 1 above the CSMV would throttle to control ferential Configuration value the supply air temperature at 0°C (32.0°F) while in…

• Page 90: Figure 4-2. Range Lock Settings — Non Overlapping

  Range Lock 1 & 2 Range 2 is set for Range 1 is set for — -17.8° to — -30°C — -2.2° to +12.8°C (0° to — -22°F) (28° to 55°F) Range 2 Range 1 °C — -30 — -23.3 — -17.8 — -12.2 — -6.7…

• Page 91: Productshield

  The primary time that it is important to determine TINUOUS (Refer to Section 5.1.1), the unit has run in which range is to be Range 1 and which is to be Start/Stop for a minimum of 15 minutes or the Mini- Range 2 is when the ranges overlap each other.

• Page 92: Productshield Temperature Ranges

  above the pre-programmed ProductShield Winter tem- above 35°F (1.7°C), the unit operation will change to perature. Econo High Air. All of the ProductShield settings are in the Data List If the Minimum is set to 70°F (21.1°) and the Maximum (Refer to Table 3-1).

• Page 93: Operating Mode Overrides

  4. Engine Coolant Warm-Up  If in Continuous Operation with a setpoint in the perishable range (above -12°C [+10.4°F]) and the The engine will run in low speed until the coolant is High Speed Pulldown Configuration is set to YES, above 50°C (122°F).

• Page 94
  In both upshift calculations the upshift offset range is 5. Compression Ratio limited to a maximum of 3 amps. The microprocessor monitors compressor operating 3. Fan Motor Delay pressures and calculates a compression ratio. If, while operating in Economized Mode, the calculated value When ever any fan motor has been energized, there exceeds 21:1, operation will transition to Bypass will be a 3 second delay before Economized Operation…

• Page 95: Section 5 — Technician Interface

  SECTION 5 — TECHNICIAN INTERFACE Press the DOWN ARROW Key to scroll through the Configuration list beginning at the bottom. c. To read through the Configuration list, continue to press either the UP or DOWN ARROW keys. The list is circular meaning that once the end is reached, it is repeated from the beginning.

• Page 96: Table 5-1. Component Test

  pressing the «=» key. The timer may only be reset To go to Diagnostic Mode or Configuration Mode, se- once during each test. After the 5 minute timer ex- lect Main Menu and press the «=» key. pires, the MessageCenter will return to the Compo- The only keys that operate during Component Test nent Test Mode Menu, and display the last compo- Mode are the Alarm and Select keys.

• Page 97: Service Mode

  d. Refrigerant recovery, leak checking, or evacuation 5.1.3 Service Mode may be performed on the unit at this time. Refer to Service Procedures in Section 8.5. CAUTION e. The unit should remain in the RECOVER / LEAK CHK / EVAC MODE as these service procedures Service Mode MUST be used whenever re- are performed.

• Page 98: Downloading Data With The Pc Card

  DOWNLOADING DATA WITH THE PC CARD 1 Place the Stop/Run — Off Switch (SROS) switch in the Start/Run Position. 2. Insert a Download Card into the PC card slot on the front of the microprocessor. Be certain that the instruction label is facing the “Caution” la- CAUTION bel.

• Page 99: Installing New Software Using A Pc Card

  INSTALLING NEW SOFTWARE USING A PC Card 5.3.1 Procedure Whenever performing a major operation to a microprocessor, such as installing new operating software, it is always a good idea to start the unit and give it a quick check over prior to performing the operation. NOTE Once the unit shuts down to begin the software install process, the Compressor Suction Modulation Valve closing process begins.

• Page 100: Logicold Microprocessor Replacement & Configuration Setup

  Remove wire from fuse holder and gently pull through the Current Sensor. When field diagnosis of a Carrier Transicold Trailer refrigeration unit determines that a LogiCold Micropro- j. Remove the screws holding the sides of the Micro cessor is not performing properly and must be re- into the Control Box.

• Page 101: Configurations Via Keypad

  f. When MONTH appears, press the = Key, then the l. Now, press the Down Arrow key until SET TIME Up Arrow Key. The MessageCenter will begin to appears. Press the = key then the Up Arrow key to flash, indicating that it is ready to accept changes. enter that menu.

• Page 102: Microprocessor Final Checkout

  f. To change the parameter, press the = Key. 5.4.5 Microprocessor Final Checkout TO SCROLL, = TO SAVE will show in the a. Start the unit and allow it to run for a few minutes. MessageCenter. b. While the unit is running, scroll through the Data List g.

• Page 103
  CONFIGURATION SELECTIONS DESCRIPTION 7.0A CURRENT FOR S/S SHUTOFF In Start/Stop Operation the alternator charging cur- rent must drop below this value before the unit is 1A TO 10A allowed to shut down. (in 0.5A incre- ments) VOLTAGE FOR START/STOP RE- 12.2V The engine will restart from a Start/Stop Off cycle or a START…
• Page 104
  CONFIGURATION SELECTIONS DESCRIPTION STANDBY MAXIMUM GENERATOR Indicates to the controller the maximum allowable AMPS 10 TO 35 amperage in Standby operation. in 0.5A increments USE FACTORY DEFAULT SETTING ONLY, DO NOT OPERATE UNIT WITH DIFFERENT SETTING. STARTUP MAXIMUM GENERATOR Indicates to the controller the maximum allowable AMPS 10 TO 35 amperage during start up.
• Page 105
  CONFIGURATION SELECTIONS DESCRIPTION PM HOUR METER #1 (or 2 or 3 or 4 OFF = The PM Maintenance Hour Meter is turned off. or 5) CONFIGURATION ENGINE HOURS ENGINE HOURS = PM Meter will monitor the number of hours the engine has operated since the last reset. SWITCH ON HOURS SWITCH ON HOURS = PM Meter will monitor the…
• Page 106
  CONFIGURATION SELECTIONS DESCRIPTION RANGE 1 (or 2) MAXIMUM -30°C to 32°C Select the highest temperature desired for this range. (-22°F TO 89.6°F) TEMPERATURE in 0.1°F or °C in- crements MINIMUM SETPOINT -30°C to 30°C Indicates to the controller the desired minimum allow- (-22°C TO 89.6°F) able set point.
• Page 107
  CONFIGURATION SELECTIONS DESCRIPTION SWITCH NOT REMOTE SWITCH 1 (or 2) Switch not installed = There is no remote 1 (or 2) INSTALLED switch. This Configuration indicates to the microprocessor that a remote switch DOOR OPEN DOOR OPEN SWITCH OPEN = A Remote Door has not, or has, been installed and, SWITCH OPEN Switch 1 (or 2) has been installed.
• Page 108
  CONFIGURATION SELECTIONS DESCRIPTION YES/NO DECIMAL DISPLAYED YES — Indicates to the microprocessor that the set point is to be displayed in tenths of a degree. NO — Indicates to the microprocessor that the set point is to be displayed in whole numbers. CONDENSER PRESS CONTROL NO/YES Not supported for Vector MULTI-TEMP at this time…
• Page 109
  CONFIGURATION SELECTIONS DESCRIPTION OPTIONAL CONFIGURATIONS (The following Configurations will display if the option has been loaded.) OUT OF RANGE SHUTDOWN YES / NO YES = When the refrigerated compartment tempera- ture has been out-of-range for 45 minutes, the alarm (This Configuration is an option, it light will come on, and the unit will shut down.
• Page 110
  CONFIGURATION SELECTIONS DESCRIPTION  ECONO DELTA-T Select the desired Delta-T value for activation of 2°C to 15°C ProductShield Econo: Go To S/S (3.6°F to 27.0°F) in 0.5°C or °F This parameter is not available for Econo: Go To increments Continuous Run …

• Page 111: Section 6 — Messagecenter

  SECTION 6 — MESSAGECENTER MessageCenter MESSAGES The following table lists all of the messages which do not appear in other lists in this manual and a description of their meaning. Refer to Table 3-1 for a list of Unit Data messages. Refer to Table 3-2 for a list of Functional Param- eter messages.

• Page 112
  MessageCenter MESSAGES Message Description CARD REMOVED, DATA NOT COPIED The PC Card was removed before all data was copied onto the card. CARD REMOVED, REINSERT CARD The PC Card was removed from the card slot before the operation was completed. Reinsert the PC Card into the card slot to perform the operation.
• Page 113
  MessageCenter MESSAGES Message Description EVAC / CHARGE MODE The unit is in Service Mode, and the refrigeration system is ready to be evacuated then charged with refrigerant. Refer to Section 5.1.3. EXITING PRETRIP MODE Pretrip has been aborted either by user or by a pretrip alarm. EXITING SERVICE MODE Service Mode has been turned off and unit is returning to normal operation.
• Page 114
  MessageCenter MESSAGES Message Description NO ACTION TAKEN, REMOVE CARD A Program PC Card has been inserted into the PC Card slot, and no key presses have been made to install the program into the micro- processor. The PC Card may be safely removed from the slot. NO ACTIVE ALARMS There are no active alarms in the microprocessor Alarm List.
• Page 115
  MessageCenter MESSAGES Message Description PRODUCTSHIELD: ECONO ON The unit is operating in ProductShield Econo which overrides normal unit Start-Stop or Continuous Run operation. Refer to Section 4.6.3. READY TO INSTALL SOFTWARE The microprocessor has been forced into Program Install Mode. If this message does not clear after loading the current version of soft- ware, check for a shorted circuit between 5MP5 and 5MP6.
• Page 116
  MessageCenter MESSAGES Message Description UNIT SHUTDOWN — RMS1(2) The unit has shut down because switch is open. May be connected to a door or a remote control switch. UNKNOWN CARD — REMOVE CARD A defective PC Card has been inserted into the PC Card slot. The microprocessor can not recognize any data on the card.

• Page 117: Section 7 — Alarm Troubleshooting

  SECTION 7 — ALARM TROUBLESHOOTING We recommend that you follow the order in which they WARNING are presented; however, there may be times when situations or experience lead a to the use of a different order. For example, if the trailer is loaded, condensing LogiCOLD microprocessor equipped units unit checks should be done first, even though some may start automatically at any time the…

• Page 118
  The Inactive Alarm list is cleared in the same Note 4 The Defrost Air Switch, RPM Sensor, Engine way. When the inactive alarm list is cleared Oil Level Switch, Fuel Level Sensor, Door both the inactive and active lists are cleared. Switch, or HP1 can be tested as components Clearing the inactive alarm list removes the alone.

• Page 119: Driver / Operator Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DRIVER / OPERATOR ALARMS LOW FUEL LEVEL WARNING Note: This is an optional alarm which will not occur unless a fuel level sensor is present and configured ON.  TRIGGER ON: Fuel level is 15% or less for more than 30 seconds. …

• Page 120: Shutdown Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SHUTDOWN ALARMS LOW ENGINE OIL PRESSURE  TRIGGER-ON: Engine oil pressure is below 0.82 bar (12 psig) for longer than 5 seconds while the engine is running.  UNIT CONTROL: Engine operation: Shutdown and alarm. Standby operation: Will not activate in standby.

• Page 121: High Coolant Temperature

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH COOLANT TEMPERATURE  TRIGGER-ON: «Check Engine Coolant Sensor» alarm not active (if so, refer to alarm 129 first) and: Ambient temp below 48.9°C (120°F) and engine coolant temperature rises above 110°C (230°F) or Ambient temp above 48.9°C (120°F) and engine coolant temperature rises above 116°C (241°F) or Ambient temperatures equal to or below 48.9°C (120°F) and engine coolant temperature is between 110°C and 116°C (230°F and 241°F) for more than 5 minutes…

• Page 122
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH COOLANT TEMPERATURE (Continued) Check Engine Cooling System a. Compare actual engine tempera- Temperature must be within ±11.1°C (±20°F). ture to the microprocessor reading. b. Test operation of engine coolant Must operate correctly. Refer to engine manual thermostat.

• Page 123: High Discharge Pressure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH DISCHARGE PRESSURE  TRIGGER-ON: Compressor discharge pressure is over 31.6 bar (465 psig)  UNIT CONTROL: Engine operation: Unit shutdown and alarm. Standby operation: Refrigeration system shutdown and alarm with PSCON still energized. …

• Page 124: High A/C Amps

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH A/C AMPS  TRIGGER-ON: AC Current Sensor 1 or 2 is greater than 28.5A for 3 seconds.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm Standby operation: Refrigeration system shutdown and alarm with PSCON still energized.

• Page 125: Battery Voltage Too High

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BATTERY VOLTAGE TOO HIGH  TRIGGER-ON: Voltage at the microprocessor is greater than 17 VDC.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation: refrigeration system shutdown and alarm with PSCON still energized.

• Page 126: Battery Voltage Too Low

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BATTERY VOLTAGE TOO LOW  TRIGGER-ON: Voltage at the microprocessor is less than 10 VDC (except when the engine starter is engaged.)  UNIT CONTROL: Unit Shutdown & Alarm. Alarm only, if activated while starting unit. …

• Page 127: High Comp Discharge Temp

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH COMP DISCHARGE TEMP  TRIGGER-ON: «Check Compressor Discharge Sensor» alarm not active (if so, refer to alarm 125 first) and: discharge temp rises above 140.6°C (285.1°F) for 30 seconds, or Discharge temp rises above 146.1°C (295.0°F). …

• Page 128: Low Refrigerant Pressure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW REFRIGERANT PRESSURE  TRIGGER-ON: Suction Pressure has been less than -0.43 bar (-6.3 psig) for the Low Suction Pressure Configuration time or 10 seconds (whichever is less).  UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Standby operation: alarm only or (if configured for shutdown) refrigeration system shutdown and alarm with PSCON still energized.

• Page 129
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW REFRIGERANT PRESSURE (Continued) Check CSMV a. Check compressor suction modu- Refer to procedure «How To Check CSMV», Section lation valve. 8.6.7. Check Evaporator Section a. Check evaporator section, return Refer to Section 9.4.10 air bulkhead, air chute, cleanliness of evap.

• Page 130: Low Fuel Shutdown

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW FUEL SHUTDOWN This is an optional alarm. This alarm will not occur unless a fuel level sensor is present and configured ON and a fuel tank size has be selected.  TRIGGER ON: «Check Fuel Sensor»…

• Page 131: Maximum Compressor Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION MAXIMUM COMPRESSOR ALARMS  TRIGGER ON: Option must be installed and alarm must be enabled by configuring the Compressor Alarm Shutdown to YES. Alarms 13, 17, 18, 27 or 28 individually occur 3 times within the last 2 hours of engine running time.

• Page 132: Low Suction Superheat

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW SUCTION SUPERHEAT  TRIGGER ON: «Check Suction Temperature Sensor» and/or «Check Evaporator Temperature Sensor» alarms are not active (refer to alarm 127 and/or 131 first) and: Compressor suction superheat (Compressor Suction Temperature (CST) minus saturated temperature for Compressor Suction Pressure (CSP) is less than 5°C (9°F) for more than 2 minutes.

• Page 133: A/C Current Over Limit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION A/C CURRENT OVER LIMIT  TRIGGER ON: The high voltage amp draw is over the following limit for more than 10 seconds. Mode Diesel High Speed (AMPS) Diesel Low Speed or Standby (AMPS) Cooling Heating Normal Defrost…

• Page 134
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION A/C CURRENT OVER LIMIT (Continued) Check Generator Voltage (If Used When Alarm Occurred) a. Check voltage at GENCON L1-L2, Must be within voltage limits shown in Section 2.11. L1-L3, L2-L3. Check Power Source Voltage (If Used When Alarm Occurred) a.

• Page 135: Compression Ratio Exceeded

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION COMPRESSION RATIO EXCEEDED  TRIGGER ON: If the compressor compression ratio is greater than 21 for 20 seconds.  UNIT CONTROL: Engine operation: Engine and unit shutdown and alarm. Standby operation: Refrigeration system shutdown and alarm with PSCON still energized.

• Page 136: High Suction Pressure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH SUCTION PRESSURE  TRIGGER ON: The compressor is running and the suction pressure has been greater than 6.7 bar (98 psig) for more than 10 minutes.  UNIT CONTROL: Engine operation: Engine operation: alarm only or (if configured for shut down) engine and unit shutdown and alarm.

• Page 137
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REFRIGERATION SYSTEM  TRIGGER ON: The refrigeration system is running and the discharge pressure is less than 0.34 bar (5 psig) higher than suction pressure for more than 30 seconds.  UNIT CONTROL: Engine operation: alarm only or (if configured for shutdown) engine and unit shutdown and alarm.
• Page 138
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION START-UP / ENGINE ALARMS FAILED TO RUN MINIMUM TIME  TRIGGER-ON: The unit has shut down on an alarm 3 times without having run for at least 15 minutes between each shutdown (not including Door shut downs.) …
• Page 139
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION FAILED TO START — AUTO MODE  TRIGGER-ON: Engine has tried to start three times unsuccessfully in the auto start mode.  UNIT CONTROL: Unit Shutdown & Alarm  RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again.
• Page 140
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION ENGINE FAILED TO STOP  TRIGGER-ON: In engine mode, engine is turning more than 500 RPM for 20 seconds after unit shut down or cycled off or Oil Pressure Switch is closed longer than 20 seconds after unit shut down or cycle off.
• Page 141
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK STARTER CIRCUIT  TRIGGER-ON: Engine speed fails to reach 50 RPM during 2 start attempts.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation: this alarm will not activate in standby operation. …
• Page 142
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK COOLANT TEMPERATURE  TRIGGER-ON: «Check Engine Coolant Sensor» alarm not active (if so, refer to alarm 129 first) and coolant temperature is below 0°C (32°F) after the engine has been running for 5 minutes. …
• Page 143
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK LOW SPEED RPM  TRIGGER-ON: «Check Engine Sensor» alarm not active (if so, refer to alarm 130 first) and: the microprocessor is calling for low speed and speed being read is less than 1300 or greater than 1550 for more than 60 seconds (120 seconds when the microprocessor calls for a change from high speed to low speed, or when the unit first starts) …
• Page 144
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK HIGH SPEED RPM  TRIGGER-ON: «Check Engine RPM Sensor» alarm not active (if so, refer to alarm 130 first) and: the microprocessor is calling for high speed and speed being read is less than 1650 or greater than 2075 for more than 60 seconds (120 seconds when the microprocessor calls for a change from low speed to high speed, or when the unit first starts) …
• Page 145
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENGINE RPM  TRIGGER-ON: «Check Engine RPM Sensor» alarm not active (if so, refer to alarm 130 first) and: engine speed is less than 1350 or greater than 2050 for 5 minutes or engine speed drops to less than 1300 for 5 seconds after the engine speed has been greater than 1350 for 3 seconds.
• Page 146
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENGINE RPM (Continued) Force High Speed Operation a. Place unit in continuous run and The microprocessor will call for High Speed operation. adjust set point to at least 15 de- grees away from refrigerated com- partment temperature, and a tem- perature greater than 5.6°C (20°F).
• Page 147
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK GLOW PLUGS  TRIGGER-ON: During engine startup glow plug amperage is less than 30 Amps, or greater than 16 Amps after 14 seconds of glow time (NOTE: In auto start, this can only occur when the Engine Coolant Temperature is below 32°F (0°C) and the glow time is configured SHORT.) …

• Page 148: Check Refrigeration System

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION ENGINE STALLED  TRIGGER-ON: The engine is running, RPM sensor is good, and engine speed is less than 10 RPM; The engine is running, RPM sensor alarm is ON, and the Oil Pressure switch contacts are open. …

• Page 149: Warning / Status Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION WARNING / STATUS ALARMS ALTERNATOR (BATTERY CHARGER) NOT CHARGING  TRIGGER-ON: Unit is running on either engine or standby and there is a current flow of more than 1.0 amp (discharge) between the battery charger and the battery for 3 continuous minutes. …

• Page 150: Box Temp Out-Of-Range

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BOX TEMP OUT-OF-RANGE  TRIGGER-ON: Alarm Only: Condition One: The refrigerated compartment temperature has been in range [within ±1.5°C (±2.7°F) for perishable set points or ±1.5°C (±2.7°F) for frozen set points] at least once since the unit was started and is now further away from set point than the limit set in the functional parameters for the Out-of-Range Value [ 2°, 3°, or 4°C (4°, 5°, or 7°F)] for 15 continuous minutes (30 minutes following a defrost cycle) OR…

• Page 151: Box Temp Out-Of-Range (Continued)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BOX TEMP OUT-OF-RANGE (Continued) Check Refrigerated Compartment Doors a. Inspect all box doors. Must be closed, no air leakage. Defrost Evaporator a. Initiate Manual Defrost Cycle. Must terminate automatically. All ice cleared from all evaporator coils. Check For Any Shutdown Alarm(s) a.

• Page 152: Defrost Not Complete

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DEFROST NOT COMPLETE  TRIGGER-ON: Defrost cycle did not complete within 45 minutes  UNIT CONTROL: Engine and standby operation: alarm only. While this alarm is active, the Defrost Timer will be set to initiate a defrost cycle 90 minutes (1.5 hours) of unit running time after the alarm comes on.

• Page 153: Check Defrost Air Switch

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK DEFROST AIR SWITCH  TRIGGER-ON: The defrost air switch has called for a defrost cycle within 8 minutes of a defrost ter- mination for 2 consecutive defrost cycles. (The air switch contacts were closed continuously for 15 seconds before the defrost cycle was started.) …

• Page 154: Check Remote Switch 1

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE SWITCH 1 CHECK REMOTE SWITCH 2  TRIGGER-ON: Microprocessor has received an alarm trigger signal from the switch (contacts open or contacts closed depending on Configuration) for more than five seconds. …

• Page 155: Datalogger (Datacorder) Not Recording

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DATALOGGER (DATACORDER) NOT RECORDING  TRIGGER-ON: No data is being recorded by the data recorder.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Alarm may be manually reset via keypad. NOTE: Follow the steps below until a problem is found.

• Page 156: Datalogger (Data Recorder) Time Wrong

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DATALOGGER (DATA RECORDER) TIME WRONG  TRIGGER-ON: The real time clock in the Data Recorder does not contain a valid date.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the Data Recorder Real Time Clock is reset, or alarm may be manually reset by turning the unit off, then back on again.

• Page 157: Door Open

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DOOR OPEN  TRIGGER-ON: Refrigerated compartment door has been open for more than five seconds.  UNIT CONTROL: Alarm Only, or may be configured to shut unit down or operate the unit in Low Engine Speed.

• Page 158: Electrical Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION ELECTRICAL ALARMS BAD F2 OR F3 FUSE  TRIGGER-ON: F2 &/or F3 has been open for more than 2 seconds: F2, F3  UNIT CONTROL: Engine operation: Alarm Only. If the engine shut off, refer to troubleshooting steps below to correct.

• Page 159: Power-Check Power Cord

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION NO POWER-CHECK POWER CORD  TRIGGER-ON: In standby mode AND no AC power  UNIT CONTROL: Engine operation: this alarm will not activate in engine operation. Standby operation: if the «No Power» Configuration is set for «Installed and Shut Down»…

• Page 160: Comp Motor Overload

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION COMP MOTOR OVERLOAD  TRIGGER-ON: If alarm A22, A27 and/or A28 was triggered with current below 5.5 amps, this alarm will also trigger or on restart from alarm A22, A27 and/or A28 trigger on if compressor current does not rise above 1 amp.

• Page 161: Condenser Motor Overheated

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONDENSER MOTOR OVERHEATED  TRIGGER-ON: One or both of the condenser fan motor Internal Protectors (IP-CDM1 or 2) circuit is open.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation: refrigeration system shutdown and alarm with PSCON still energized.

• Page 162: Condenser Motor Overheated (Continued)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONDENSER MOTOR OVERHEATED (Continued) Check Condenser Fan Motors a. Disconnect power plug at motor. Test IP circuit for continuity using ohmmeter. If open, remove and replace motor. If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits.

• Page 163: Evap (Evaporator) Motor Overheated

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION EVAP (EVAPORATOR) MOTOR OVERHEATED  TRIGGER-ON: The evaporator fan motor Internal Protectors (IP-EVM1 AND 2) is open.  UNIT CONTROL: Engine and standby operation: Evaporator will shut down.  RESET CONDITION: Auto Reset after a 15 minute off time when motor overload input is within limits, or change to engine operation, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 164: Evap Motor Overheated (Continued)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION EVAP MOTOR OVERHEATED (Continued) Check Evaporator Fan Motor a. Disconnect power plug at motor Test IP circuit for continuity using ohmmeter If open, remove and replace motor If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits.

• Page 165: Check Remote Auto Light

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE AUTO LIGHT  TRIGGER-ON: Remote Auto light current (amp) draw is higher than 0.8 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when Auto light current (amp) draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 166: Check Htcon2 Relay Coil

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK HTCON2 RELAY COIL  TRIGGER-ON: Heater contactor 2 (HTCON2) coil current is excessive  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 167: Check Start Up Buzzer

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK START UP BUZZER  TRIGGER-ON: The Buzzer circuit is shorted. (The Buzzer output from the microprocessor is negative, so the circuit will not be shorted to ground, but is shorted either within the Buzzer itself, or to a posi- tive wire.

• Page 168: Check Cdcon Relay Coil

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK CDCON RELAY COIL  TRIGGER-ON: Condenser Contactor Coil (CDCON) current is excessive  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 169: Check High Temp Thermostat (Evhts)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK HIGH TEMP THERMOSTAT (EVHTS)  TRIGGER-ON: With the SROS in the START / RUN position the EVHTS circuit is open.  UNIT CONTROL: Alarm AND no heat allowed.  RESET CONDITION: Auto Reset when the EVHTS circuit is closed for 15 minutes, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 170: Overload/Ground Fault

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION OVERLOAD/GROUND FAULT  TRIGGER-ON: The SROS is in the START / RUN position and the overload and ground fault detector is reading more than 40 Amps on any A/C current leg OR there is A/C voltage leaking to ground of more than 150 mAmps.

• Page 171: Check Evcon Coil

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK EVCON COIL  TRIGGER-ON: Evaporator fan motor contactor (EVCON) current is excessive  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 172: Check Bypass (Unloader) Circuit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK BYPASS (Unloader) CIRCUIT  TRIGGER-ON: Unloader Solenoid Valve coil current draw is higher than 2.0 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the USV coil current draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 173: Check Economizer Circuit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ECONOMIZER CIRCUIT  TRIGGER-ON: Economizer Solenoid Valve coil current draw is higher than 2.0 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the USV coil current draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 174: Check Liv Circuit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK LIV CIRCUIT  TRIGGER-ON: Liquid Injection Solenoid Valve coil current draw is higher than 2.0 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the USV coil current draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 175: Sensor Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SENSOR ALARMS CHECK AMBIENT AIR SENSOR (AAT)  TRIGGER-ON: Sensor is not within the range of -47° to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby operation: Alarm Only.  RESET CONDITION: Auto Reset when sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 176: Check Return Air Sensor (Rat)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK RETURN AIR SENSOR (RAT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby operation: If Alarm 123 — Check Supply Air Sensor — is not active: alarm only and switch to supply air control. If Alarm 123 is active enter Default Mode (refer to Section 4.7.2).

• Page 177: Check Supply Air Sensor (Sat)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK SUPPLY AIR SENSOR (SAT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby: If Alarm 122 is not active and functional parameter Temperature Control is set for Supply Air and the set point for is in the perishable range: alarm only and switch to return air control.

• Page 178: Check Defrost Termination 1 Sensor (Dtt)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK DEFROST TERMINATION 1 SENSOR (DTT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F).  UNIT CONTROL: Engine and standby: If Alarm 122 is not active: Alarm and RAT will be used for defrost initiation and a heat defrost will end after 10 minutes.

• Page 179: Check Compressor Discharge Sensor (Cdt)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK COMPRESSOR DISCHARGE SENSOR (CDT)  TRIGGER-ON: Sensor is not within the range of -40 to +200°C (-40 to +392°F)  UNIT CONTROL: Engine and standby operation: Alarm Only.  RESET CONDITION: Auto Reset when sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 180: Check Fuel Sensor (Fls)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK FUEL SENSOR (FLS)  TRIGGER-ON: The fuel level signal is less than 2% for 30 seconds.  UNIT CONTROL: Engine operation: Alarm Only. Standby operation: This alarm does not activate in standby. …

• Page 181: Check Suction Temperature Sensor (Cst)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK SUCTION TEMPERATURE SENSOR (CST)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 182: Amps Measure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION AMPS MEASURE  TRIGGER-ON: The compressor is on and AC Current Sensor 1 or 2 is less than 5 amps for 10 seconds OR If the difference between AC Current 1 and AC Current 2 is greater than 10 amps for 10 seconds.

• Page 183: Check Eng Coolant Sensor (Enct)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENG COOLANT SENSOR (ENCT)  TRIGGER-ON: Sensor is not within the range of -50 to +130°C (-58 to +266°F).  UNIT CONTROL: Engine operation: Alarm Only. Standby operation: This alarm does not activate in standby. …

• Page 184: Check Engine Rpm Sensor (Enrpm)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENGINE RPM SENSOR (ENRPM)  TRIGGER-ON: Engine mode only. This alarm does not activate in standby. In Auto Start, after the 2nd or 3rd start attempt the Engine Oil Pressure switch is closed (oil pressure good) and engine speed sensed at less than 1000 rpm NOTE: This alarm can only be triggered during the engine starting sequence and during the 20 seconds immediately following.

• Page 185
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK EVAPORATOR TEMPERATURE SENSOR (EVOT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F).  UNIT CONTROL: Engine and standby: alarm only and superheat for EVXV will be calculated using SAT.
• Page 186
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE TEMPERATURE SENSOR 1 (REMSN1) CHECK REMOTE TEMPERATURE SENSOR 2 (REMSN2) CHECK REMOTE TEMPERATURE SENSOR 3 (REMSN3)  TRIGGER-ON: Sensor is not within the range of -47to +70°C (-53 to +158°F).  UNIT CONTROL: Engine and standby operation: Alarm only.
• Page 187
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION Pretrip ALARMS P141 PRETRIP STOPPED BY USER  TRIGGER-ON: Pretrip cycle was stopped by user before the Pretrip cycle ended automatically.  UNIT CONTROL: Alarm Only.  RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again.
• Page 188
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P154 CHECK SUPPLY AIR SENSOR  TRIGGER-ON: Sensor reading was not within the expected range during test.  UNIT CONTROL: Pretrip will fail and display «PRETRIP FAIL AND COMPLETED».  RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key- pad or by turning the unit off, then back on again.
• Page 189
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P158 CHECK AMBIENT AIR SENSOR  TRIGGER-ON: Sensor reading was not within the expected range during test.  UNIT CONTROL: Pretrip will fail and display «PRETRIP FAIL AND COMPLETED».  RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key- pad or by turning the unit off, then back on again.
• Page 190
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P174 CHECK LOW SPEED RPM  TRIGGER-ON speed was not within expected range during test or speed did not return to expected range following transition back from high speed test.  UNIT CONTROL: Pretrip will fail and display «PRETRIP FAIL AND COMPLETED». …
• Page 191
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P187 CHECK HEATER 1 CIRCUIT This device is checked twice in Pretrip — once in Test 2 and again in Test 8.  TRIGGER-ON TEST 2: Normal amps for the HTCON1R relay coil are 0.05 to 1.0 Amps (12 VDC). The circuit tests outside this range.
• Page 192
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P187 CHECK HEATER 1 CIRCUIT (Continued) Check Amp Draw of 1HTCON1 Heater Circuit a. With the unit running and calling Must be within range shown in Section 2.11 for all for Heat, use a clamp on ammeter three legs.
• Page 193
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P188 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip — once in Test 2 and again in Test 8.  TRIGGER-ON TEST 2: Normal amps for the 1HTCON2 contactor coil are 0.05 to 2.0 Amps (12 VDC).
• Page 194
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P188 CHECK HEATER 2 CIRCUIT (Continued) Check Amp Draw of 1HTCON2 Heater Circuit a. With the unit running and calling Must be within range shown in Section 2.11 for all for Heat, use a clamp on ammeter three legs.
• Page 195
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P189 CHECK EVAPORATOR FAN MOTOR This device is checked twice in Pretrip — once in Test 2 and again in Test 8.  TRIGGER-ON TEST 2: Normal amps for the 1EVCON contactor coil are 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range.
• Page 196
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P189 CHECK EVAPORATOR FAN MOTOR (Continued) Check Amp Draw of 1EVCON Evap Fan Motor Circuit a. With the unit running in either Must be within range shown in Section 2.11 for all HEAT or COOL use a clamp on three legs.
• Page 197
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P190 CHECK CONDENSER FAN MOTOR  TRIGGER-ON Normal amps for the Condenser Fan Motors are 0.8 to 3.5 Amps (460 VAC). The cir- cuit tests outside this range.  UNIT CONTROL: Engine and standby operation: Pretrip will fail and display «PRE-TRIP FAIL AND COMPLETED».
• Page 198
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P206 CHECK CONDENSER FAN CIRCUIT  TRIGGER-ON: Normal amps for the CDCON contactor coil are 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range.  UNIT CONTROL: Engine and standby operation: Pretrip will fail and display «PRE-TRIP FAIL AND COMPLETED».
• Page 199
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P208 CHK GENERATOR CONT CIRC  TRIGGER-ON: Normal amps for the GENCONR and GENCON coils are 0.0 to 1.0 Amps (12 VDC). The circuit tests outside this range.  UNIT CONTROL: Engine and standby operation: Pretrip will fail and display «PRE-TRIP FAIL AND COMPLETED».
• Page 200
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P209 CHECK STANDBY CONT CIRCUIT  TRIGGER-ON: Normal amps for the PSCONR relay coil and PSCON or PSCON2 contactor coils 0.0 to 1.0 Amps (12 VDC). The circuit(s) test outside this range. (During this test either PSCON or PSCON2 will be tested depending on the phase reversal module.) …
• Page 201
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 7.10 MAINTENANCE ALARMS ENGINE MAINTENANCE DUE  TRIGGER-ON: The Engine Maintenance Hour Meter time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 202
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION GENERAL MAINTENANCE DUE  TRIGGER-ON: The General Maintenance Hour Meter time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 203
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SERVICE SOON-PM #2 DUE  TRIGGER-ON: The Maintenance Hour Meter #2 time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 204
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SERVICE SOON-PM #4 DUE  TRIGGER-ON: The Maintenance Hour Meter #4 time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 205
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 7.11 MICROPROCESSOR ALARMS SETPOINT ERROR  TRIGGER-ON: There is an error in the set point that is stored in the microprocessor memory.  UNIT CONTROL: Unit Shutdown & Alarm.  RESET CONDITION: Auto Reset when a valid set point is entered, or alarm may be manually reset by turning the unit off, then back on again.
• Page 206
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION FUNCTION PARAMETERS ERROR  TRIGGER-ON: There is an error in one or more of the Functional Parameters that are stored in the microprocessor memory.  UNIT CONTROL: Incorrect Functional Parameter(s) will be automatically set for default value. …
• Page 207
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONFIGURATIONS 1 ERROR  TRIGGER-ON: There is an error in the Configuration settings that are stored in the microprocessor memory.  UNIT CONTROL: Incorrect Configuration(s) will be automatically set for default value.  RESET CONDITION: Auto Reset when valid Configuration(s) are entered, or alarm may be manually reset by turning the unit off, then back on again NOTE: Follow the steps below until a problem is found.
• Page 208
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DISCHARGE PRESS CALIBRATE ERROR  TRIGGER-ON: There is an error in the Compressor Discharge Pressure Sensor Calibration value stored in memory.  UNIT CONTROL: Alarm Only.  RESET CONDITION: See following instruction. NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active alarm should clear itself (see reset condition above).
• Page 209
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CANNOT SAVE SETTING  TRIGGER-ON: There is an error in sending and saving new settings in the Microprocessor memory.  UNIT CONTROL: Alarm only.  RESET CONDITION: Alarm may be manually reset via Keypad or by turning the unit off, then back on again.
• Page 210
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONFIGURATION MODE / HP2 ERROR  TRIGGER-ON: EEPROM Configuration is out of range.  UNIT CONTROL: Shutdown and alarm.  RESET CONDITION: Auto Reset only when valid info is available for the microprocessor are entered. NOTE: Follow the steps below until a problem is found.
• Page 211
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION MICROPROCESSOR ERROR  TRIGGER-ON: Microprocessor Input Conversion Error.  UNIT CONTROL: Shutdown and alarm.  RESET CONDITION: Auto Reset when input conversions are valid, or Alarm may be manually reset by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
• Page 213
  SECTION LAYOUT The use of inert gas brazing procedures is Service procedures are presented herein beginning mandatory for all Carrier Transicold refrig- with Scheduled Maintenance (Section 8.2) & PreTrip eration units; otherwise compressor failure (8.3) then Refrigerant System Service (8.5) followed will occur.

• Page 214: Table 8-1. Maintenance Schedule

  Table 8-1. Maintenance Schedule REFERENCE SYSTEM OPERATION SECTION a. At the beginning of every trip Pretrip Inspection Check Engine Hours Check b. At first 400 hours of operation Engine 1. Change lube oil and filter 8.4.7 c. Every 1500 hours Engine 1.

• Page 215
  PRETRIP INSPECTION OPERATE IN HIGH SPEED COOL The following pretrip inspection should be performed AND RECORD before every trip and at each scheduled maintenance. (From Microprocessor Unit Data List) SUCTION PRESSURE WARNING DISCHARGE PRESSURE Inspect battery cables for signs of wear, EVAPORATOR PRESSURE abrasion or damage at every Pretrip in- ENGINE COOLANT TEMPERATURE…

• Page 216: Figure 8-1. Fuel System Diagram

  ENGINE SERVICE AND COMPONENTS 8.4.1 Fuel System The fuel system (see Figure 8-1) consists of the fuel tank, optional electric pump, mechanical lift pump, fuel filter, fuel injection pump, the injectors and intercon- necting tubing. 1. Mechanical Fuel Lift 3. Bleed Screw Pump 4.

• Page 217: Figure 8-3. Mechanical Fuel Pump

  c. Install water separator on new element using new O-ring. d. Fill new element with clean diesel fuel, lubricate the seal and install. Tighten firmly by hand. e. Start unit and check for leaks. 8.4.6 Fuel Level Sensor (FLS) An optional fuel level sensor (item 13, Figure 8-1) sup- plies an input signal to the microprocessor as to the % of fuel remaining in the fuel tank.

• Page 218: Figure 8-6. Lube Oil Flow Diagram

  DO NOT disconnect the Speed Control Sole- noid (SCS). a. Engine speed may be determined using a strobe tachometer. (Carrier Transicold Part No. 07-00206.) i. Check unit data readings for current at AC-1 & AC-2 or by checking the Unit Data «ENGINE RPM» read- and engine speed.

• Page 219
  8.4.10 Radiator WARNING The radiator is an integral part of the condenser coil. Cooling air is drawn through the radiator by the con- When working with belts, beware of pinch denser fans. The radiator must be clean both internally points. and externally for adequate cooling.

• Page 220: Figure 8-8. Engine Crankcase Breather

  1. Screw 3. Breather Valve 2. Breather Cover 4. Breather Tube Figure 8-8. Engine Crankcase Breather 8.4.14 Servicing Glow Plugs The total circuit amp draw for the glow plug circuit is checked during a Pretrip cycle. When servicing, the glow plug is to be fitted carefully into the cylinder head to prevent damage to glow plug.

• Page 221
  Personal protective equipment Before doing anything on this refrigerant unit and to avoid personal injury: ALWAYS use tools and Personal Protective Equipment in accordance with and follow Carrier Log-out/Tag-out procedure Hearing protection is recommended when unit is running. 62-61753-21…
• Page 222
  TOOL LIST Picture Tool  Refrigerant Manifold gauges set: Check the manifold calibration before any use: Needles at 0 if no pressure. In case of R-452A Manifold gauges not available: Use the standard R-404A Manifold gauges and refer to R- 452A Refrigerant Properties Information Refrigerant Manifold gauges set includes: …
• Page 223
  Removing The Refrigerant Charge Manifold installation & Hoses evacuation To ensure no remaining refrigerant & air in- Unit connection side the refrigerant hoses (A, B, C, D). Before manifold installation ensure :  Compressor Service Valves are in back seat position …
• Page 224
  Procedure R-452A Recovery Before continue the next steps: Unit Side Ensure the manifold installation procedure is correctly completed. For Vector unit:  Place the unit in service mode. Refer to the technical manual (if needed).  Ensure the microprocessor displays: “RECOVER/LEAK CHK/EVAC MODE”…
• Page 225
  Procedure R-452A Recovery Connect the vapour valve (F) of the R-452A recovery bottle to the recovery machine. The system is ready for vapour recovery. R-452A vapour recovering Open Vapour valve (F). Start the Recovery machine. Open hose (B) service valve Open the manifold gauge valve (1,4).
• Page 227
  H volume displacement, Carrier Transicold 14. Receiver 5. Vacuum Gauge P/N 990071) and a good vacuum indicator such as 15. Liquid Line Service 6. Vacuum Pump a thermocouple vacuum gauge, (Carrier Transicold Valve 7. Suction Service Valve P/N 07-60132-00). 16. Filter Drier 8. Compressor 17.
• Page 228
  This operation is to test the evacuation setup for e. Then open the vacuum pump and electronic vacu- leaks, repair if necessary. um gauge valves, if they are not already open. Start the vacuum pump. Evacuate unit until the electronic d.
• Page 229
  k. Check for proper unit operation by running Pretrip (Refer to Section 3.4). Adding A Partial Charge a. Start the unit in high speed Engine Operation (am- bient between 18°C (24°F) and 30°C (86°F) with a setpoint of 20°C (68°F) or lower. b.
• Page 230
  g. Rotate the compressor to gain access to the power p. Using a backup wrench, torque the compressor plug. Remove the power plug retaining clip (see connections as follows: Figure 8-11) by pulling out gently on the left side (to Service Valve / Connection Torque Value clear the shorter left locking tab and rotate the right…
• Page 231
  reverse flush (opposite normal air flow) with clean g. Leak check, evacuate the unit and charge in ac- water at mild pressure. cordance with sections 8.5.2, 8.5.3 & 8.5.4. A garden hose with spray nozzle is usually suffi- h. Reconnect coolant hoses and refill engine coolant cient.
• Page 232
  1. Liquid Inlet Line 6. Economizer Solenoid Valve 2. Liquid Outlet Line 7. TXV bulb 3. Liquid Injection Line 8. Economizer Line 4. Economizer Heat Exchanger 9. Compressor Economizer Connection 5. Liquid Injection Solenoid Valve 10. Unloader Solenoid Valve Figure 8-13. Economizer Assembly 8.6.5 Filter Drier 8.6.6…

• Page 233: Table 8-2. Csmv Connections

  Replacing the Drive and Motor Assembly a. To test with a stepper motor drive tester (Carrier a. Remove the refrigerant charge. (Refer to section Transicold part number 07-00375-00), connect the 8.5.1).

• Page 234: Table 8-3. Evxv Connections

  tor tester to manually open the valve to 100% before it is installed. Torque nut to 47.4 Nm (35 ft-lb). c. Leak check, evacuate the unit and charge in ac- cordance with sections 8.5.2, 8.5.3 & 8.5.4. Emergency Repair Procedures: In the event that the SMV system has a failure, and replacement components are not readily available in an emergency.

• Page 235
  The valve stepper motor may be tested using a step- tor drive tester. per motor drive tester or ohmmeter. a. To test with a stepper motor drive tester (carrier CAUTION Transicold part number 07-00375-00), connect the 5 pin test cable to the valve connector, and the ca-…
• Page 236
  LIQUID INJECTION OR ECONOMIZER VALVE UNLOADER VALVE COIL ASSEMBLY INTERNAL COMPONENTS 1. Locking Nut 7. Internal O-Ring 2. Upper O-Ring 8. Spring 3. Threaded Collar 9. Armature 4. Coil 10. Diaphragm 5. Lower O-Ring 11. Drilled Washer 6. Armature Tube Figure 8-18.
• Page 237
  8.6.10 Economizer Thermostatic Expansion Valve The thermostatic expansion valve (TXV) is an auto- matic device which maintains constant superheat of the refrigerant gas leaving the economizer heat ex- changer regardless of suction pressure. The valve functions are: (a) automatic control of refrigerant flow to match the economizer heat exchanger load and (b) prevention of liquid refrigerant return to the compres- sor.
• Page 238
  Checking High Pressure Switch 8.6.12 Pressure Transducers The Compressor Discharge Pressure Transducer WARNING (CDP) has a range of 0 to 34.0 bar (0 to 500 PSIG) while the Compressor Suction Pressure Transducer (CSP) and Evaporator Pressure Transducer (EVOP) Do not use a nitrogen cylinder without a have a range of -1 to 6.8 bar (-14.7 to100 PSIG).

• Page 239: Table 8-4. Blower Wheel Identification

  ELECTRICAL SYSTEM COMPONENT SER- VICE 8.7.1 Heaters Description The evaporator coil heaters and drain pan heater are energized through the power supply or engine driven AC generator. They are used in the defrost and heat modes. Replacing Heaters WARNING 1. Ohmmeter or Continui- 4.

• Page 240
  Replacing Blower Assembly 8.7.3 Condenser Fan & Motor Assemblies The condenser fans pull air through the condenser coil and discharge over the engine. To replace fan and motor assembly components: a. Open the front doors b. Disconnect wiring. Loosen securing bolts and allow fan and motor assembly to drop onto guide rails.
• Page 241
  Cooling Removal CAUTION WARNING Do not direct water or steam into the gen- Be aware of HIGH VOLTAGE supplied by erator openings. Do not allow any soap and the generator as the unit may start auto- water solutions to enter the generator. matically.
• Page 242
  7. Remove the tie-wraps holding connectors to the belt guard and then remove belt guard. 5. Remove the jam nuts (5) and gasket from the ex- haust connection. 8. Slide the generator removal bracket (Carrier EXTENSION Transicold part number SKM-5670) into the rear BRACKET engine support channel.
• Page 243
  Leave the shim in place until the 12. Remove the speed sensor and install the flywheel generator is re-installed on the engine. locking tool (Carrier Transicold part number 07-60083-01) in its place. 14. Remove three of the six rotor mounting bolts and install generator removal threaded rods (Carrier Transicold part number 07-60122-00).
• Page 244
  Locate two screw holes on the face of the crank- shaft which are located approximately 12.7 mm (0.5 in) apart. All other screw holes are approxi- 15. Install the generator lifting tool (Carrier Transicold mately 19mm (0.75 in) apart (See Figure 8-23). part number 07-60085-00) into top two generator e.
• Page 245
  j. Install three rotor bolts and bring them snug against 8.7.6 Compressor Discharge Temperature Sensor the rotor. To replace the compressor discharge sensor (see NOTE Figure 8-24) do the following: The bolts will be torqued later. a. Ensure the unit is disconnected from the power k.

• Page 246: Table 8-5. Sensor Resistance (Aat, Rat, Sat, Enct, Evot, Cst, Dtt)

  Table 8-5. Sensor Resistance (AAT, RAT, SAT, ENCT, EVOT, CST, DTT) °C °F Ohms °C °F Ohms °C °F Ohms °C °F Ohms 336,500 -7.8 49,060 24.4 10,250 56.7 2,809 -38.9 312,600 -6.7 46,230 25.6 9,760 57.8 2,697 -37.8 290,600 -5.6 43,580 26.7…

• Page 247: Table 8-6. Sensor Resistance (Cdt)

  Table 8-6. Sensor Resistance (CDT) °C °F Ohms °C °F Ohms °C °F Ohms °C °F Ohms 2,889,600 96.8 53,887 112 233.6 4,204 188 370.4 -36.4 2,532,872 100.4 49,656 114 237.2 3,977 190 374.0 -32.8 2,225,078 104.0 45,812 116 240.8 3,759 -29.2 1,957,446 107.6…

• Page 249: Table 9-1. R-404A Temperature Pressure Chart

  SECTION 9 Temperature Pressure Chart Table 9-1. R-404A Temperature Pressure Chart Temperature Pressure Temperature Pressure °C °F PSIG °C °F PSIG 72.5 75.6 78.8 12.9 82.1 16.3 85.5 17.7 89.0 19.2 92.5 20.7 96.2 22.3 99.9 23.9 103.7 25.6 115.4 1.88 27.3 126.1…

• Page 250
  Table 9-2-2. R-452A Temperature Pressure Chart (DEGREE) Pressure [Bar] Pressure [Bar] Pressure [Bar] Temp Temp Temp °C Liquid Vapor °C Liquid Vapor °C Liquid Vapor 0,52 0,42 3,73 3,21 14,23 12,85 0,54 0,44 3,86 3,33 14,60 13,20 0,58 0,47 4,00 3,46 14,97 13,55…
• Page 251
  Table 9-2-31. R-452A Temperature Pressure Chart (FAHRENHEIT) Pressure Pressure Pressure Pressure [psia] [psia] [psia] [psia] Temp Temp Temp Temp °F Liquid Vapor °F Liquid Vapor °F Liquid Vapor °F Liquid Vapor 20,44 17,11 65,51 56,78 161,99 144,88 336,64 311,56 20,96 17,56 66,78 57,92…
• Page 253
  SECTION 10 — TROUBLESHOOTING CAUTION Under no circumstances should anyone attempt to repair the Logic or Display Boards. Should a problem develop with these components, contact your nearest Carrier Transicold dealer for re- placement. INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.1 DIESEL ENGINE…
• Page 254
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.1.2 Engine Starts Then Stops Engine stops after Fuel supply restricted Check several rotations No fuel in tank Check Leak in fuel system Check Faulty fuel control operation Engine Manual Fuel filter restricted 8.4.5 Injector nozzle(s) defective Engine Manual Injection pump defective…
• Page 255
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.1.5 Malfunction In The Engine Starting Circuit No power to starter solenoid (SS) Battery defective Check Loose electrical connections Tighten Fuel solenoid Battery defective Check does not energize or does Loose electrical connections Tighten not remain energized Oil pressure safety switch (ENOPS) defective Replace…
• Page 256
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.2 BATTERY CHARGER Input fuse blows when charger is Short in 12 volt wiring causing Locate and re- turned on overload of charger move short Input fuse blows repeatedly, even Internal short Replace when not connected Charger does not taper back after Bad cell in battery Test battery for…
• Page 257
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.3 GENERATOR No voltage Circuit breaker tripped Check Open or short in stator windings Check Short circuited Repair Low voltage Low engine speed Correct Excessive load Check High resistance connections — connections Clean and Tight- warm or hot Fluctuating voltage Fluctuating speed…
• Page 258
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4 REFRIGERATION 10.4.1 Unit Will Not Cool Compressor malfunction Compressor contactor defective Check Compressor defective 8.6.1 Refrigeration system A defrost cycle did not terminate 9.4.6 Abnormal pressure 9.4.7 10.4.2 Unit Runs But Has Insufficient Cooling Compressor Compressor defective 8.6.1…
• Page 259
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4.6 Defrost Cycle Malfunction Will not initiate defrost DTT is above 40°F (4.4°C) Cool Box Down automatically Loose terminal connections Tighten Air sensing tubes defective or disconnected Check Defrost air switch (DAS) defective or out of calibration 8.6.13 Will not initiate defrost manually Microprocessor defective…
• Page 260
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4.9 Control System Malfunction Will not control Sensor defective 8.7.7 Relay(s) defective Check Microprocessor controller malfunction Check 10.4.10 No Evaporator Air Flow Or Restricted Air Flow No or partial evaporator Check return air bulkhead and air chute. Ensure return air Clean, repair or air flow is not restricted and chute is in good condition…
• Page 261
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4.12 Solenoid Valve Malfunction Solenoid valve does not function No power to valve Check properly Improper wiring or loose connections Check Coil defective 8.6.9 Valve improperly assembled 8.6.9 Coil or coil sleeve improperly assembled 8.6.9 Movement of plunger restricted due to: 8.6.9…
• Page 263
  SECTION 11 — WIRING 11.1 HARNESS PLUG WIRING 1MP — — NATURAL Terminal Component OC-E (SN-1) OC-H (SN-2) 5 (16) (30) CDP-C 6 (17) EVOP-C 7 (18) ENCT-A 9 (20) CDT-A 10 (19) CST-A 11 (22) AAT-A 12 (23) RAT-A 13 (35) SAT-B OC-F,G,H…
• Page 264
  3 MP — — Grey 2 MP — — Black Terminal Component Terminal Component 3 (15) (27) SATCOM -C OC2-B (RS-1) 5 (17) (29) SLP (C) FLS-B DAS-A 7 (18) (31) ENRPM-C 8 (19) (20) (32) CSMV-D 15 (3) (27) SATCOM -B 11 (12) (22) (23) (35) EVXV-B…
• Page 265
  5 MP 4 MP 6 MP Terminal Component Terminal Component Terminal Component 1 (5) CCONR-2/HC-11 MPQC-9/SPK2 DISP/A1 — BLK 2 (6) CDCON-A2 SP20/DES-1 DISP/B2 — WHT IPCDM1 3 (15) EVCON- PRM-OUT+ DISP/C3 — RED A2/IPEVH1 4 (13) (14) HTCON1R-1 5 (6) GCS-2 DISP/D4 — GRN HTCON2-A1…
• Page 266
  HC Plug Terminal Component OGF-OV/SP-34 MPQC-3/SCS-A MPQC-1/BTY(+) MPQC-4/SP-30 OC-A/GROUND RCR-2/OC-B SSR-87/SS 2MP-2/LS-1 SP-33/4MP-1/CCONR-1 F5-B/SSC/BTY(+) GRD1/MPQC-2 GRD/HC-15 BTYC-A/SP-1 RS-2/OC-J/OC-K MPQC-9/SP-35 2MP-26/GENCONR-1/PSCONR-1 Unused terminals: 5, 10 & 13 11-4 62-61753-21…
• Page 267
  11.2 DISPLAY HARNESS CONNECTIONS Test Point Color Description TP14 Pin 1 Black +12 Vdc for Display backlighting and indicator LED-s TP13 Pin 2 White Ground for Backlighting and indicator LEDs TP13 Pin 3 Ground for Backlighting and indicator LEDs TP12 Pin 4 Green +5 Vdc for Display processor and LCD…
• Page 268
  Mode, Configuration, 5-1 Mode, Cool, 4-5 Economizer, 2-10, 8-19 Mode, Default, 4-10 Engine, 2-9 Mode, Defrost, 2-21, 4-5 Evacuation, 8-15 Mode, Economized, 2-21 Mode, Heat, 2-21, 4-5 Mode, Liquid Injection, 4-10 Fan, Condenser, 2-10, 8-28 Mode, Null, 2-21 Fan, Evaporator, 8-27 Mode, Service, 5-3 Filter Drier, 2-10, 8-20 Mode, Standard, 2-21…
• Page 269
  Switch, Door, 2-16 Switch, Engine Oil Pressure, 2-9 Safety Devices, 2-20 Switch, ENGINE/STANDBY, 2-15 Safety Precautions, 1-1 Switch, Evaporator High Temperature, 2-11 Scheduled Maintenance, 8-1 Switch, High Pressure, 2-10, 8-25 Self Test, 3-3 Switch, LANGUAGE, 2-15 Sensor Checkout, 8-33 Switch, Remote, 2-16 Sensor, Ambient Air Temperature, 2-10 Switch, START-RUN/OFF, 2-15 Sensor, Compressor Discharge Temperature, 2-10,…

• Page 1
  Trailer Refrigeration EVAPORATOR EVXV CONDENSER RECEIVER OPERATION&SERVICE MANUAL VECTOR 1550 & 1550 CITY Trailer Refrigeration Units 62-61753-21…
• Page 3
  OPERATION&SERVICE MANUAL VECTOR 1550 & 1550 CITY Trailer Refrigeration Units…

• Page 5: Table Of Contents

  TABLE OF CONTENTS Hystory …………………………….1-1 SECTION 1 — SAFETY PRECAUTIONS …………………… 1-2 GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER TRANSICOLD PRODUCT ..1-2 1.1.1 Important to read and follow during Regular maintenance: …………… 1-2 SAFETY PRECAUTIONS …………………….. 1-3 SPECIFIC WARNING AND CAUTION STATEMENTS …………….1-3 SPECIFIC R-452A REFRIGERANT WARNING AND CAUTION ………….

• Page 6
  2.12 ELECTRICAL DATA ……………………..2-18 2.13 COMPONENT RESISTANCE & CURRENT DRAW DATA …………..2-19 2.14 SAFETY DEVICES ……………………..2-19 2.15 REFRIGERANT CIRCUIT DURING COOLING ………………2-19 2.16 HEAT AND DEFROST ……………………..2-20 SECTION 3 — OPERATION ………………………. 3-1 STARTING UNIT — ENGINE OPERATION ………………..3-1 STARTING UNIT — STANDBY OPERATION ………………..
• Page 7
  4.5.5 Null Mode ……………………….4-5 4.5.6 Defrost Mode ……………………….. 4-5 USER SELECTED OVERRIDE OPERATION ………………4-6 4.6.1 Supply Air Limit Control ……………………4-6 4.6.2 Temperature Range Lock 1 & 2 ………………….4-7 4.6.3 ProductShield ……………………….. 4-9 4.6.4 ProductShield Temperature Ranges ………………..4-10 PREPROGRAMMED SOFTWARE OVERRIDES ……………….
• Page 8
  FAILED TO RUN MINIMUM TIME ………………..7-22 FAILED TO START — AUTO MODE ………………… 7-23 ENGINE FAILED TO STOP ………………….7-24 CHECK STARTER CIRCUIT ………………….7-25 CHECK COOLANT TEMPERATURE ………………. 7-26 CHECK LOW SPEED RPM ………………….7-27 CHECK HIGH SPEED RPM ………………….7-28 CHECK ENGINE RPM……………………
• Page 9
  CHECK EVAPORATOR TEMPERATURE SENSOR (EVOT) …………. 7-69 CHECK REMOTE TEMPERATURE SENSOR 1 (REMSN1) …………7-70 CHECK REMOTE TEMPERATURE SENSOR 2 (REMSN2) …………7-70 CHECK REMOTE TEMPERATURE SENSOR 3 (REMSN3) …………7-70 Pretrip ALARMS ……………………….7-71 P141 PRETRIP STOPPED BY USER ………………..7-71 P145 CHECK SPEED SOLENOID CIRCUIT ………………
• Page 10
  CONFIGURATION MODE / HP2 ERROR ………………7-94 MICROPROCESSOR ERROR ………………… 7-95 SECTION 8 — SERVICE ……………………….8-1 SECTION LAYOUT ……………………… 8-1 SCHEDULED MAINTENANCE ……………………. 8-1 PRETRIP INSPECTION ……………………..8-3 ENGINE SERVICE AND COMPONENTS ………………..8-4 8.4.1 Fuel System ……………………….8-4 8.4.2 Priming the Fuel System ……………………
• Page 11
  10.1.1 Engine Will Not Start ……………………10-1 10.1.2 Engine Starts Then Stops …………………… 10-2 10.1.3 Engine Will Not Shut Off ……………………10-2 10.1.4 Starter Motor Malfunction …………………… 10-2 10.1.5 Malfunction In The Engine Starting Circuit ………………10-3 10.1.6 Miscellaneous Engine Troubleshooting ………………. 10-3 10.2 BATTERY CHARGER ……………………..
• Page 12
  LIST OF ILLUSTRATIONS Figure 2-2. Vector 1550 CITY Front View — Engine/Control Components …………..2-5 Figure 2-3. Evaporator Section — Grille Removed ………………… 2-7 Figure 2-4. Control Box ……………………….. 2-8 Figure 2-5. Control Module ……………………….. 2-12 Figure 2-6. Display And Keypad ……………………..2-13 Figure 2-7.
• Page 13
  LIST OF TABLES Table 2-1. Model Chart ……………………….. 2-2 Table 3-1. Unit Data …………………………3-18 Table 3-2. Functional Parameters …………………….. 3-22 Table 4-1. Glow Time …………………………4-2 Table 5-1. Component Test ……………………….5-2 Table 5-2. Microprocessor Configurations …………………… 5-8 Table 8-1. Maintenance Schedule ……………………..8-2 Table 8-2.

• Page 15: Hystory

  Hystory RELEASE DESCRIPTION OF CHANGE DATE Rev-  Original release  Add of the chapter 1.1: GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER RevG Feb 2016 TRANSICOLD PRODUCT  Add of R-452A refrigerant specification 62-61753-21…

• Page 16: Section 1 — Safety Precautions

  SECTION 1 — SAFETY PRECAUTIONS 1.1 GENERAL PRODUCT SAFETY INSTRUCTIONS ON ALL CARRIER TRANSICOLD PRODUCT 1.1.1 Important to read and follow during Regular maintenance: Regular maintenance includes a quick overview of the units from a safety perspective: Service Technician must pay particular attention, but not exclusively to the 3 direc- tives here under.

• Page 17: Safety Precautions

  SAFETY PRECAUTIONS Engine Coolant Your Carrier Transicold refrigeration unit has been The engine is equipped with a pressurized cooling designed with the safety of the operator in mind. Dur- system, including a pressurized coolant bottle. Under ing normal operation, all moving parts are fully en- normal operating conditions, the coolant in the engine closed to help prevent injury.

• Page 18
  WARNING WARNING LogiCOLD microprocessor equipped units Do not remove the cap from a hot radiator; may start automatically at any time the if the cap must be removed, do so very START/RUN-OFF switch (SROS) is not in slowly in order to release the pressure the OFF position.
• Page 19
  Do not use a nitrogen cylinder without The use of inert gas brazing procedures is a pressure regulator. Cylinder pressure mandatory for all Carrier Transicold refrig- is approximately 159.9 bar (2350 psig). eration units; otherwise compressor failure Do not use oxygen in or near a refrigerant will occur.

• Page 20: Specific R-452A Refrigerant Warning And Caution

  SPECIFIC R-452A REFRIGERANT WARNING AND CAUTION CAUTION WARNING As distinct of R404A refrigerant, R-452A has slidding properties more important and not negligeable between vapour state and R-452A is an A1 non-flammable refrigerant liquid state. blend; however certain of its constituents are considered A2L midly flammable.

• Page 21
  0 psig. Never operate the compressor with Boards. Should a problem develop with the suction or discharge service valves these components, contact your nearest closed (frontseated). Internal damage will Carrier Transicold dealer for replacement. result from operating the compressor in a deep vacuum. 62-61753-21…

• Page 22: Safety Decals

  SAFETY DECALS 62- -02143- -00 Rev — — 62- -61343- -00 Rev — — or 62- -02139- -01 Rev C 62-61753-21…

• Page 23
  62-03957-01 62-03958-00 or -01 62-61478 Rev A High Voltage Warning Burn Warning Heat Warning 62-60280-00 Rev A Standby Safety Waring 62-61753-21…
• Page 24
  62—60192—00 Rev D 1-10 62-61753-21…

• Page 25: Section 2 — Unit Description

  SECTION 2 — UNIT DESCRIPTION INTRODUCTION REFRIGERANT TYPES USED WARNING WARNING LogiCOLD microprocessor equipped units may start automatically at any time the The unit can be charged with R-404A or R- START/RUN-OFF switch (SROS) is not in 452A. the OFF position. Also, the unit may be fit- Do not mix R-404A and R-452A refrigerant.

• Page 26: Table 2-1. Model Chart

  Table 2-1. Model Chart Refrigerant Nominal Engine Refrigerant Charge Speed Model Unit type Compressor Engine type High Vector 1550 R-404A 6.35 Scroll V1505 1870 1430 Vector 1550 CITY NDK33BN6KB Vector 1550-11 R-404A Scroll V1505 1870 1430 Vector 1550-11 City Vector 1550 Road only unit — DO NOT select this unit in configurations at this NDK33BN0KB R-404A…

• Page 27
  (LOCATION) 1. Condenser/Radiator 13. High Pressure Switch (HP1) 2. Defrost Air Switch (DAS) 14. Compressor Suction Temperature Sensor (CST) 3. Receiver And Sight Glasses 15. Discharge Service Valve 4. Liquid Line Service Valve 16. Compressor Discharge Temperature Sensor (CDT) 5. Compressor Suction Modulation Valve (CSMV) 17.
• Page 28
  (LOCATION) 1. Condenser/Radiator 13. High Pressure Switch (HP1) 2. Defrost Air Switch (DAS) 14. Compressor Suction Temperature Sensor (CST) 3. Receiver And Sight Glasses 15. Discharge Service Valve 4. Liquid Line Service Valve 16. Compressor Discharge Temperature Sensor (CDT) 5. Compressor Suction Modulation Valve (CSMV) 17.
• Page 29
  (Behind Filter) 1. Fuel Filter 12. Engine Oil Pressure Switch (ENOPS) 2. Lube Oil Filter 13. Download Port 3. Battery Charger (BTYC) 14. Display And Keypad 4. Battery (BTY) 15. Lube Oil Fill 5. Generator (GEN) 16. Fuel Solenoid (FS) 6.
• Page 30
  62-61753-21…
• Page 31
  1. Supply air temperature sensor (SAT) 11. Heater Connection Service Access 2. Evaporator fan and motor service access 12. Evaporator expansion valve (EVXV) 3. Evaporator fans and motors (EVM1 & EVM2) 13. Electric heaters (HTR1) 4. Evaporator High Temperature Switch (EVHTS) 14.
• Page 32
  (LOCATION) 1. AC current transformer (CT2/3/4) 14. Run control relay (RCR). Used with remote control 2. Overload ground fault (OGF) panel only 3. Phase reversal module (PRM) 15. Buzzer (B) 4. Heater contactor 1 (HTCON1) 16. Microprocessor (M) 5. Heater contactor 2 (HTCON2) 17.

• Page 33: Condensing Section

  CONDENSING SECTION 2.4.5 Compressor The condensing section (see Figure 2-1) consists of The unit is fitted with a scroll compressor equipped an engine-generator drive package, compressor, with suction and discharge service valves and an economizer heat exchanger, condenser fans, conden- economizer connection.

• Page 34: Ambient Air Temperature Sensor (Aat)

  2.4.10 Ambient Air Temperature Sensor (AAT) sure drop across the coil) or by the defrost timer in the microprocessor. The AAT provides microprocessor with condenser entering air temperature information to be displayed, 2.5.1 Evaporator Coil recorded in the Data Recorder and used to control the The unit evaporator is a tube in fin type.

• Page 35: System Operating Controls And Components

  The following additional special features are incorpo- The PC card slot allows programming of the micropro- rated into the Carrier Transicold LogiCOLD Micropro- cessor using Carrier Transicold PC Cards. The con- cessor: troller automatically detects the presence and type of PC Card inserted and responds accordingly.

• Page 36
  There are three LEDs associated with the function of 2. During Download, the light will blink once per sec- the PC card slot. These are: ond and will blink every 1.5 seconds when the Download is complete.  A green Micro Status LED which will blink steadily …
• Page 37
  1. Switch Board 8. Manual Defrost Key 2. Indicator lights 9. Alarm List Key 3. Display 10. Start/Stop-Continuous Key 4. MessageCenter 11. Select Key 5. Keypad 12. Start/Run-Off Switch (SROS) 6. Up and Down Arrow Keys 13. Standby/Engine Switch 7. Enter Key 14.
• Page 38
  c. Switch Board START-STOP/CONTINUOUS Key START- — STOP/ CONTINUOUS 1 LANGUAGE Switch (LS) Pressing this key toggles between Start- Stop and Continuous Run operation. displayed language changed by toggling the LANGUAGE SELECT Key SELECT LANGUAGE switch. Press the SELECT key to scroll through 2 STANDBY/ENGINE Switch (DES) the menu selections.

• Page 39: Electronic Modules

  ELECTRONIC MODULES 2.7.1 Overload Ground Fault Module (OGF) AMBER GREEN Figure 2-6. OGF Module 2.8.2 Door/Remote Switch(es) The OGF is located in the control box (see Figure 2-4). The unit is provisioned to connect a Door Switch (DS) The module has two electrical safety features in En- and two additional Remote Switches directly to the gine and standby Operation: microprocessor.

• Page 40: Remote Temperature Sensors

  2.8.4 Remote Temperature Sensors In addition to the ability to pre-set the microprocessor parameters, the IntelliSet option includes Prod- The unit is provisioned to connect a up to three remote uctShield. ProductShield is a group of nine Configura- temperature sensors directly to the microprocessor. tions which may be set to provide enhanced product or The microprocessor may be configured to display the unit protection under extreme ambient conditions.

• Page 41: Compressor Data

  40.8 kg (90 lbs) Dry Oil Charge 1.77 L (60 ounces) Approved OIl Uniqema Emkarate RL-32-3MAF Carrier Part Number 46-00025-04 2.11 REFRIGERATION SYSTEM DATA Defrost Air Switch (DAS) Initiates Defrost: 35 ± 1.8 mm WG (1.40 ± .07 inch) Defrost Timer (micro controlled) 1.5h, 3h, 6h, or 12 hours…

• Page 42: Electrical Data

  2.12 ELECTRICAL DATA Full Load Amps (FLA) Rating: 10.4 amps System current limit — high speed: 16 amps Compressor Motor System current limit — low speed: 14.5 amps Locked Rotor Locked rotor amps: 75 Winding Resistance 2.26 Ohms per leg Full Load Amps (FLA) 1.5 amps @ 65 Hz Horsepower…

• Page 43: Component Resistance & Current Draw Data

  2.13 COMPONENT RESISTANCE & CURRENT DRAW DATA Component Ohms Amps Unloader/Economizer/Liquid Injection Solenoid 6.8 Ohms 1.65 Amps Valves Speed solenoid (SCS) 1.5 to 2.5 Ohms 3.0 — 8.0 Amps 12VDC Relay 10-00328-00 (CDCON, EVCON, 52 Ohms ±10% 0.22 — 0.25 Amps GPR, HTCON2, SSR, 12VDC Relay 10-00433-01 &…

• Page 44: Heat And Defrost

  The receiver stores the additional charge necessary c. Economized Mode for low ambient operation. The receiver is equipped In the economized mode the «main» refrigeration sys- with a relief valve. tem operates the same as in the Standard Mode ex- The refrigerant leaves the receiver and flows through cept the microprocessor energizes (opens) the econ- the liquid line service valve to the subcooler.

• Page 45
  EVOP EVOT EVAPORATOR CSMV EVXV RELIEF VALVE CONDENSER RECEIVER LIQUID LINE SERVICE VALVE SUBCOOLER FILTER DRIER COMPRESSOR DISCHARGE SERVICE VALVE ECONOMIZER HEAT EXCHANGER ECONOMIZER CONNECTION HIGH PRESSURE VAPOR COMPRESSOR HIGH PRESSURE LIQUID SUCTION LOW PRESSURE LIQUID SERVICE VALVE MEDIUM PRESSURE VAPOR COMPRESSOR LOW PRESSURE VAPOR Figure 2-8.
• Page 46
  EVOP EVOT EVAPORATOR CSMV EVXV RELIEF VALVE CONDENSER RECEIVER LIQUID LINE SERVICE VALVE SUBCOOLER FILTER DRIER COMPRESSOR DISCHARGE SERVICE VALVE ECONOMIZER HEAT EXCHANGER ECONOMIZER CONNECTION HIGH PRESSURE VAPOR COMPRESSOR HIGH PRESSURE LIQUID SUCTION LOW PRESSURE LIQUID SERVICE VALVE MEDIUM PRESSURE VAPOR COMPRESSOR LOW PRESSURE VAPOR Figure 2-9.
• Page 47
  EVOP EVOT EVAPORATOR CSMV EVXV RELIEF VALVE CONDENSER RECEIVER LIQUID LINE SERVICE VALVE SUBCOOLER FILTER DRIER COMPRESSOR DISCHARGE SERVICE VALVE ECONOMIZER HEAT ECONOMIZER HEAT EXCHANGER EXCHANGER ECONOMIZER CONNECTION COMPRESSOR HIGH PRESSURE VAPOR SUCTION HIGH PRESSURE LIQUID HIGH PRESSURE ECONOMIZED LIQUID SERVICE VALVE LOW PRESSURE LIQUID COMPRESSOR…

• Page 49: Section 3 — Operation

  SECTION 3 — OPERATION WARNING WARNING LogiCOLD microprocessor equipped units Be aware of HIGH VOLTAGE supplied at may start automatically at any time the the power plug or from the generator. START/RUN-OFF switch (SROS) is not in When performing service or maintenance the OFF position.

• Page 50: Starting Unit — Standby Operation

  STARTING UNIT — STANDBY OPERATION WARNING Make sure the power plug is clean and dry before connecting to any electrical outlet / receptacle. WARNING Do not connect to any electrical outlet without checking that it meets the 380/3/50 and 16 Amp elec- trical requirements of the unit.

• Page 51: Self Test

  SELF TEST MODE LIGHTS LAN GUAGE MAIN DISPLAY STANDB Y MESSAGE CENTER ENGINE START /RUN DOOR SELF TEST When first powered up, the microprocessor will run a  If the microprocessor has been configured to dis- self test consisting of the following steps: play the hour meters, the Total Engine Hours, …

• Page 52: Pretrip

  PRETRIP 1. Place SROS in the “START / RUN” position. COOL DEFROST ALARM START-STOP — -20.0 +34.5° F TEST #1 XX% COMPLETE KEYPAD SELECT MANUAL ALARM LIST START- — STOP/ DEFROST CONTINUOUS 2. Press the SELECT key until the MessageCenter displays “PRESS THE = KEY TO START PRETRIP”.

• Page 53
  Test 2 will continue with a check of the amperage (cur- rent) draw of the following components: Pretrip may be stopped by the user by ei-  Battery DC Current (All Components Turned Off) ther turning the unit off then back on again, or by pressing and holding the «=»…
• Page 54
  Test 8 — Evaporator Fan Motor Amperage Test 12 — Unloader Solenoid Valve (USV) Check This test checks the operation of the unloader solenoid valve. If suction pressure does not change when USV The evaporator motor contactor is energized and is de-energized, the «CHECK BYPASS»…

• Page 55: Changing Set Point

  CHANGING SET POINT COOL DEFROST ALARM START-STOP — -20.0 +34.5° F SETPOINT CHANGED SELECT MANUAL ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. With the set point displayed, press the UP ARROW or DOWN ARROW key to change the set point to the desired value. The MessageCenter will display “↑↓…

• Page 56: Start-Stop Operation

  START-STOP OPERATION START—STOP LIGHT COOL DEFROST ALARM START-STOP — -20.0 +34.5° F START/STOP MODE SELECTED MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the START—STOP / CONTINUOUS key until the START—STOP Light on the microprocessor illuminates. 2. Verify that “START/STOP MODE SELECTED” is displayed on the MessageCenter and that the START- STOP light is illuminated.

• Page 57: Restart Voltage

  The microprocessor may be configured so that: The Configuration may be set from 1.0 to 10.0 Amps in 0.5 amp increments. A weak or defective battery may  the same settings apply to any set point, or indicate a suitable voltage charge while the alternator …

• Page 58: Continuous Operation

  CONTINUOUS OPERATION CONTINUOUS RUN LIGHT COOL DEFROST ALARM START-STOP — -20.0 — -20.0 +34.5° F CONTINUOUS RUN MODE SELECTED MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the START-STOP/CONTINUOUS 2. Verify that “CONTINUOUS RUN MODE SELECTED” is key until the CONTINUOUS RUN displayed on the MessageCenter and that the CONTINU- light on the microprocessor illuminates.

• Page 59: Sleep Mode

  SLEEP MODE COOL DEFROST ALARM START-STOP SLEEP MODE SETTINGS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS TO ENTER SLEEP MODE If the unit is equipped with IntelliSet, it can be placed in sleep mode by choosing IntelliSleep. (refer to Section 3.19.1). If the unit is not equipped with IntelliSet: 1.

• Page 60
  Pressing the «=» key will allow the user to select the If the unit is already running when Sleep Mode is se- date and time the unit is to automatically wake up. The lected, it will continue to run until the conditions de- wake up time must be at least 1 hour and no more scribed above are met.

• Page 61: Manual Defrost

  MANUAL DEFROST DEFROST LIGHT COOL DEFROST ALARM START-STOP — -20.0 DEFROST CYCLE STARTED SELECT MANUAL ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the MANUAL DEFROST key. The DEFROST light will come on and the MessageCenter will display “DEFROST CYCLE STARTED” for 5 seconds, or flash “CANNOT START DEFROST CYCLE”…

• Page 62: Trip Start

  3.10 TRIP START COOL DEFROST ALARM START-STOP — -20.0 +34.5° F TRIP START ENTERED MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. To mark the start of a trip in the Data Recorder, press the SELECT key until the Mes- sageCenter displays “PRESS = TO MARK TRIP START”.

• Page 63: View Active Alarms

  3.11 VIEW ACTIVE ALARMS ALARM LIGHT COOL DEFROST ALARM START-STOP — -20.0 +34.5° F NO ACTIVE ALARMS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the ALARM LIST key. If there are no active alarms, “NO ACTIVE ALARMS”…

• Page 64: View Inactive Alarms

  3.12 VIEW INACTIVE ALARMS COOL DEFROST ALARM START-STOP — -20.0 +34.5° F NO INACTIVE ALARMS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press ALARM LIST key and the UP ARROW key and hold both for 6 seconds. If there are no inactive alarms, “NO INACTIVE ALARMS”…

• Page 65: Unit Data

  3.13 UNIT DATA COOL DEFROST ALARM START-STOP — -20.0 +34.5° F SETPOINT BOX TEMPERATURE PRESS TO VIEW DATA MANUAL SELECT ALARM LIST START-STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW DATA.” 2. Press the UP ARROW key to move down the Data List beginning at the top, or press the DOWN ARROW key to move up the Data List beginning at the bottom.

• Page 66: Table 3-1. Unit Data

  Table 3-1. Unit Data * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings DATA DEFINITION SUCTION PRESSURE Compressor suction pressure DISCHARGE PRESSURE Compressor discharge pressure EVAPORATOR PRESSURE Leaving evaporator pressure ENGINE COOLANT TEMP Engine coolant temperature RETURN AIR TEMP…

• Page 67
  * Displays information or setting entered in the microprocessor Configurations + May or may not be displayed depending on Parameter/Configuration settings DATA DEFINITION PRODUCTSHIELD SETUP: This will only display when IntelliSet is installed, ProductShield setting is ON and ECONO, HIGH AIR and/or WINTER is/are NOT OFF. •…

• Page 68: View Hourmeters

  3.14 VIEW HOURMETERS COOL DEFROST ALARM START-STOP — -20.0 +34.5° F TOTAL ENGINE HOURS: 0 HRS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter dis- plays “PRESS ↑↓ TO VIEW HOUR METERS”. 2.

• Page 69: Functional Parameters

  3.15 FUNCTIONAL PARAMETERS COOL DEFROST ALARM START-STOP — -20.0 +34.5° F PRESS TO VIEW SETTINGS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until the MessageCenter displays “PRESS ↑↓ TO VIEW SETTINGS”. 2. When the UP ARROW key is pressed, the Function List will scroll down. When the DOWN ARROW key is pressed, the Function List will scroll up.

• Page 70: Table 3-2. Functional Parameters

  Table 3-2. Functional Parameters PARAMETER FUNCTION DESCRIPTION SELECTIONS NOTES: Selections in BOLD are the default settings. Also, Functional Parameter marked with an asterisk (*) may not display in the list for this unit, depending on how the microprocessor has been configured. SILENT MODE OFF — Normal engine speed operation.

• Page 71
  PARAMETER FUNCTION DESCRIPTION SELECTIONS RETURN AIR TEMPERATURE The unit has both a Return Air Sensor and a Supply Air Sensor. This CONTROL SUPPLY AIR selection determines if: only the return air sensor reading will be used for calculating control actions OR only the supply air sensor reading will be used for calculating control actions.
• Page 72
  PARAMETER FUNCTION DESCRIPTION SELECTIONS * RESET PM NO METERS TO *If the PM Hourmeter is configured OFF, this parameter will not dis- HOURMETERS RESET play This Functional Parameter allows resetting of the PM Maintenance Expired Hour Meters Hour Meters when the hour meter has timed out, and preventative •…

• Page 73: Language Selection

  3.16 LANGUAGE SELECTION To change the displayed language, do the following LAN GUAGE Toggle the LANGUAGE switch. Language order is: Spanish, French, German, Italian, Dutch, Dan- STANDB Y ish, Russian, Portuguese and English. ENGINE START /RUN 3-25 62-61753-21…

• Page 74: Stopping Unit

  3.17 STOPPING UNIT WARNING Always place SROS in the OFF position and turn off the high voltage power supply before discon- necting the high voltage power plug from the unit. STANDB Y ENGINE 1. To stop the unit, place the START / RUN — OFF switch in the OFF position.

• Page 75: Data Recording

  3.18 DATA RECORDING c. Event Occurrences The Advance microprocessor contains a built-in Data- This information is any additional data that is recorded Recorder with 512K of memory. The recorded data on a «when it occurs» basis. Events are recorded by can be downloaded from the DataRecorder using ei- the recorder as they occur.

• Page 76: Options

  3.19 OPTIONS 3.19.1 IntelliSet COOL DEFROST ALARM START-STOP +34.0 +34.5° F MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS DURING START UP Observe the MessageCenter during the Power—Up process. If the unit is equipped with IntelliSet, the name of the active or modified IntelliSet will be displayed for approximately 10 seconds before the engine starts. DURING OPERATION Press the SELECT key to view current IntelliSet.

• Page 77
  a. Changing IntelliSets — With «=» Key Enabled NOTE: If pressing the “=” key does not bring up the IntelliSet message the mi- croprocessor is not configured with this feature. To view IntelliSets, refer to the following section. COOL DEFROST ALARM START-STOP +34.0…
• Page 78
  b. Changing IntelliSets — Without «=» Key Enabled COOL DEFROST ALARM START-STOP — -20.0 +34.5° F PRESS TO VIEW INTELLISETS MANUAL SELECT ALARM LIST START- — STOP/ DEFROST CONTINUOUS 1. Press the SELECT key until MessageCenter displays PRESS TO VIEW INTELLISETS. 2.

• Page 79: Remote Control Panel

  3.19.2 Remote Control Panel 1 Control panel power on LED 2 System ON/OFF key 3 Manual defrost key 4 Control panel lock LED 5 HEAT mode LED 6 COOL mode LED 7 Up and down arrow keys 8 Set point display 9 Temperature display in C°…

• Page 80
  a. Starting Unit with Remote Control Panel NOTE The unit can be shut down using either the remote panel or the main START / RUN-OFF switch. The SROS must be in the «START /RUN» position in order for the remote panel to operate. CAUTION If the unit is to remain off for an extended period of time the SROS must be placed in the OFF posi- tion to prevent a constant drain on the battery.
• Page 81
  4. Set lowest set point required. 5. Press Carrier logo and P2 will be displayed. Set next highest tem- perature required. 6. Follow same procedure for the next three temperatures. 2. Press Carrier logo and the lock light will illuminate. 3-33 62-61753-21…
• Page 82
  1. Place SROS in the “START /RUN” position. 3. Press UP ARROW for 10 seconds. P1 will be displayed. 4. Set temperature to lowest pre—set set point and OFF will be displayed 2. Press Carrier logo and the lock light will illuminate. 3-34 62-61753-21…

• Page 83: Section 4 — Temperature Control

  SECTION 4 — TEMPERATURE CONTROL NOTES 1. If the unit is in an alarm condition, the microprocessor alarm response may override the operation de- scribed herein. If an alarm is displayed in the MessageCenter, refer to the specific alarm description in Section 7 for «Unit Control»…

• Page 84: Transition To High Speed

  Table 4-1. Glow Time When the required glow time has elapsed the starter solenoid relay will be energized for a maximum of ten Glow Time in Sec- seconds while the engine condition is checked each onds Engine Coolant Temp two seconds during the cranking period. The engine is considered to be running, and the start sequence will SHORT LONG…

• Page 85: Start-Stop Operation

  If TOGETHER is selected, then the following Func- HIGH SPEED LOW SPEED tional Parameter values will be available for use: COOLING  MINIMUM RUN TIME APT-SP is greater than APT-SP is less than  MINIMUM OFF TIME 2°C (3.6°F) 1.8°C (3.24°F) …

• Page 86: Re-Start Parameters

  4 The battery is fully charged — Amperage. 4 The Maximum Off Time has expired. The microprocessor will calculate the average current In some ambient conditions, there are times when the draw over a 20 second period. Once this average unit may be off for very long periods of time.

• Page 87: Cool Mode

   when in Continuous Operation, with a setpoint less COOL MODE than 18.4°C (65.1°F) and the microprocessor has Switch On when CT-SP Switch Off when CT-SP calculated Control Temperature is in the required is greater than or equal is less than -0.2°C range.

• Page 88: User Selected Override Operation

  Defrost based on coil condition will be initiated when:  defrost is initiation by closing of the DAS con- tacts with RAT greater than or equal to 4.0°C  blockage is sufficient to cause an air pressure dif- (39.2°F) and ferential across the coil great enough to close the …

• Page 89: Temperature Range Lock 1 & 2

   the START-STOP SUPPLY AIR LIMIT Differential Sensitive Product Functional Parameter changed to YES. With this setting, the limit control will Configuration value not allow supply air temperature to fall below 0°C (32.0°F).  the CONTINUOUS RUN SUPPLY AIR LIMIT Dif- In example 1 above the CSMV would throttle to control ferential Configuration value the supply air temperature at 0°C (32.0°F) while in…

• Page 90: Figure 4-2. Range Lock Settings — Non Overlapping

  Range Lock 1 & 2 Range 2 is set for Range 1 is set for — -17.8° to — -30°C — -2.2° to +12.8°C (0° to — -22°F) (28° to 55°F) Range 2 Range 1 °C — -30 — -23.3 — -17.8 — -12.2 — -6.7…

• Page 91: Productshield

  The primary time that it is important to determine TINUOUS (Refer to Section 5.1.1), the unit has run in which range is to be Range 1 and which is to be Start/Stop for a minimum of 15 minutes or the Mini- Range 2 is when the ranges overlap each other.

• Page 92: Productshield Temperature Ranges

  above the pre-programmed ProductShield Winter tem- above 35°F (1.7°C), the unit operation will change to perature. Econo High Air. All of the ProductShield settings are in the Data List If the Minimum is set to 70°F (21.1°) and the Maximum (Refer to Table 3-1).

• Page 93: Operating Mode Overrides

  4. Engine Coolant Warm-Up  If in Continuous Operation with a setpoint in the perishable range (above -12°C [+10.4°F]) and the The engine will run in low speed until the coolant is High Speed Pulldown Configuration is set to YES, above 50°C (122°F).

• Page 94
  In both upshift calculations the upshift offset range is 5. Compression Ratio limited to a maximum of 3 amps. The microprocessor monitors compressor operating 3. Fan Motor Delay pressures and calculates a compression ratio. If, while operating in Economized Mode, the calculated value When ever any fan motor has been energized, there exceeds 21:1, operation will transition to Bypass will be a 3 second delay before Economized Operation…

• Page 95: Section 5 — Technician Interface

  SECTION 5 — TECHNICIAN INTERFACE Press the DOWN ARROW Key to scroll through the Configuration list beginning at the bottom. c. To read through the Configuration list, continue to press either the UP or DOWN ARROW keys. The list is circular meaning that once the end is reached, it is repeated from the beginning.

• Page 96: Table 5-1. Component Test

  pressing the «=» key. The timer may only be reset To go to Diagnostic Mode or Configuration Mode, se- once during each test. After the 5 minute timer ex- lect Main Menu and press the «=» key. pires, the MessageCenter will return to the Compo- The only keys that operate during Component Test nent Test Mode Menu, and display the last compo- Mode are the Alarm and Select keys.

• Page 97: Service Mode

  d. Refrigerant recovery, leak checking, or evacuation 5.1.3 Service Mode may be performed on the unit at this time. Refer to Service Procedures in Section 8.5. CAUTION e. The unit should remain in the RECOVER / LEAK CHK / EVAC MODE as these service procedures Service Mode MUST be used whenever re- are performed.

• Page 98: Downloading Data With The Pc Card

  DOWNLOADING DATA WITH THE PC CARD 1 Place the Stop/Run — Off Switch (SROS) switch in the Start/Run Position. 2. Insert a Download Card into the PC card slot on the front of the microprocessor. Be certain that the instruction label is facing the “Caution” la- CAUTION bel.

• Page 99: Installing New Software Using A Pc Card

  INSTALLING NEW SOFTWARE USING A PC Card 5.3.1 Procedure Whenever performing a major operation to a microprocessor, such as installing new operating software, it is always a good idea to start the unit and give it a quick check over prior to performing the operation. NOTE Once the unit shuts down to begin the software install process, the Compressor Suction Modulation Valve closing process begins.

• Page 100: Logicold Microprocessor Replacement & Configuration Setup

  Remove wire from fuse holder and gently pull through the Current Sensor. When field diagnosis of a Carrier Transicold Trailer refrigeration unit determines that a LogiCold Micropro- j. Remove the screws holding the sides of the Micro cessor is not performing properly and must be re- into the Control Box.

• Page 101: Configurations Via Keypad

  f. When MONTH appears, press the = Key, then the l. Now, press the Down Arrow key until SET TIME Up Arrow Key. The MessageCenter will begin to appears. Press the = key then the Up Arrow key to flash, indicating that it is ready to accept changes. enter that menu.

• Page 102: Microprocessor Final Checkout

  f. To change the parameter, press the = Key. 5.4.5 Microprocessor Final Checkout TO SCROLL, = TO SAVE will show in the a. Start the unit and allow it to run for a few minutes. MessageCenter. b. While the unit is running, scroll through the Data List g.

• Page 103
  CONFIGURATION SELECTIONS DESCRIPTION 7.0A CURRENT FOR S/S SHUTOFF In Start/Stop Operation the alternator charging cur- rent must drop below this value before the unit is 1A TO 10A allowed to shut down. (in 0.5A incre- ments) VOLTAGE FOR START/STOP RE- 12.2V The engine will restart from a Start/Stop Off cycle or a START…
• Page 104
  CONFIGURATION SELECTIONS DESCRIPTION STANDBY MAXIMUM GENERATOR Indicates to the controller the maximum allowable AMPS 10 TO 35 amperage in Standby operation. in 0.5A increments USE FACTORY DEFAULT SETTING ONLY, DO NOT OPERATE UNIT WITH DIFFERENT SETTING. STARTUP MAXIMUM GENERATOR Indicates to the controller the maximum allowable AMPS 10 TO 35 amperage during start up.
• Page 105
  CONFIGURATION SELECTIONS DESCRIPTION PM HOUR METER #1 (or 2 or 3 or 4 OFF = The PM Maintenance Hour Meter is turned off. or 5) CONFIGURATION ENGINE HOURS ENGINE HOURS = PM Meter will monitor the number of hours the engine has operated since the last reset. SWITCH ON HOURS SWITCH ON HOURS = PM Meter will monitor the…
• Page 106
  CONFIGURATION SELECTIONS DESCRIPTION RANGE 1 (or 2) MAXIMUM -30°C to 32°C Select the highest temperature desired for this range. (-22°F TO 89.6°F) TEMPERATURE in 0.1°F or °C in- crements MINIMUM SETPOINT -30°C to 30°C Indicates to the controller the desired minimum allow- (-22°C TO 89.6°F) able set point.
• Page 107
  CONFIGURATION SELECTIONS DESCRIPTION SWITCH NOT REMOTE SWITCH 1 (or 2) Switch not installed = There is no remote 1 (or 2) INSTALLED switch. This Configuration indicates to the microprocessor that a remote switch DOOR OPEN DOOR OPEN SWITCH OPEN = A Remote Door has not, or has, been installed and, SWITCH OPEN Switch 1 (or 2) has been installed.
• Page 108
  CONFIGURATION SELECTIONS DESCRIPTION YES/NO DECIMAL DISPLAYED YES — Indicates to the microprocessor that the set point is to be displayed in tenths of a degree. NO — Indicates to the microprocessor that the set point is to be displayed in whole numbers. CONDENSER PRESS CONTROL NO/YES Not supported for Vector MULTI-TEMP at this time…
• Page 109
  CONFIGURATION SELECTIONS DESCRIPTION OPTIONAL CONFIGURATIONS (The following Configurations will display if the option has been loaded.) OUT OF RANGE SHUTDOWN YES / NO YES = When the refrigerated compartment tempera- ture has been out-of-range for 45 minutes, the alarm (This Configuration is an option, it light will come on, and the unit will shut down.
• Page 110
  CONFIGURATION SELECTIONS DESCRIPTION  ECONO DELTA-T Select the desired Delta-T value for activation of 2°C to 15°C ProductShield Econo: Go To S/S (3.6°F to 27.0°F) in 0.5°C or °F This parameter is not available for Econo: Go To increments Continuous Run …

• Page 111: Section 6 — Messagecenter

  SECTION 6 — MESSAGECENTER MessageCenter MESSAGES The following table lists all of the messages which do not appear in other lists in this manual and a description of their meaning. Refer to Table 3-1 for a list of Unit Data messages. Refer to Table 3-2 for a list of Functional Param- eter messages.

• Page 112
  MessageCenter MESSAGES Message Description CARD REMOVED, DATA NOT COPIED The PC Card was removed before all data was copied onto the card. CARD REMOVED, REINSERT CARD The PC Card was removed from the card slot before the operation was completed. Reinsert the PC Card into the card slot to perform the operation.
• Page 113
  MessageCenter MESSAGES Message Description EVAC / CHARGE MODE The unit is in Service Mode, and the refrigeration system is ready to be evacuated then charged with refrigerant. Refer to Section 5.1.3. EXITING PRETRIP MODE Pretrip has been aborted either by user or by a pretrip alarm. EXITING SERVICE MODE Service Mode has been turned off and unit is returning to normal operation.
• Page 114
  MessageCenter MESSAGES Message Description NO ACTION TAKEN, REMOVE CARD A Program PC Card has been inserted into the PC Card slot, and no key presses have been made to install the program into the micro- processor. The PC Card may be safely removed from the slot. NO ACTIVE ALARMS There are no active alarms in the microprocessor Alarm List.
• Page 115
  MessageCenter MESSAGES Message Description PRODUCTSHIELD: ECONO ON The unit is operating in ProductShield Econo which overrides normal unit Start-Stop or Continuous Run operation. Refer to Section 4.6.3. READY TO INSTALL SOFTWARE The microprocessor has been forced into Program Install Mode. If this message does not clear after loading the current version of soft- ware, check for a shorted circuit between 5MP5 and 5MP6.
• Page 116
  MessageCenter MESSAGES Message Description UNIT SHUTDOWN — RMS1(2) The unit has shut down because switch is open. May be connected to a door or a remote control switch. UNKNOWN CARD — REMOVE CARD A defective PC Card has been inserted into the PC Card slot. The microprocessor can not recognize any data on the card.

• Page 117: Section 7 — Alarm Troubleshooting

  SECTION 7 — ALARM TROUBLESHOOTING We recommend that you follow the order in which they WARNING are presented; however, there may be times when situations or experience lead a to the use of a different order. For example, if the trailer is loaded, condensing LogiCOLD microprocessor equipped units unit checks should be done first, even though some may start automatically at any time the…

• Page 118
  The Inactive Alarm list is cleared in the same Note 4 The Defrost Air Switch, RPM Sensor, Engine way. When the inactive alarm list is cleared Oil Level Switch, Fuel Level Sensor, Door both the inactive and active lists are cleared. Switch, or HP1 can be tested as components Clearing the inactive alarm list removes the alone.

• Page 119: Driver / Operator Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DRIVER / OPERATOR ALARMS LOW FUEL LEVEL WARNING Note: This is an optional alarm which will not occur unless a fuel level sensor is present and configured ON.  TRIGGER ON: Fuel level is 15% or less for more than 30 seconds. …

• Page 120: Shutdown Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SHUTDOWN ALARMS LOW ENGINE OIL PRESSURE  TRIGGER-ON: Engine oil pressure is below 0.82 bar (12 psig) for longer than 5 seconds while the engine is running.  UNIT CONTROL: Engine operation: Shutdown and alarm. Standby operation: Will not activate in standby.

• Page 121: High Coolant Temperature

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH COOLANT TEMPERATURE  TRIGGER-ON: «Check Engine Coolant Sensor» alarm not active (if so, refer to alarm 129 first) and: Ambient temp below 48.9°C (120°F) and engine coolant temperature rises above 110°C (230°F) or Ambient temp above 48.9°C (120°F) and engine coolant temperature rises above 116°C (241°F) or Ambient temperatures equal to or below 48.9°C (120°F) and engine coolant temperature is between 110°C and 116°C (230°F and 241°F) for more than 5 minutes…

• Page 122
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH COOLANT TEMPERATURE (Continued) Check Engine Cooling System a. Compare actual engine tempera- Temperature must be within ±11.1°C (±20°F). ture to the microprocessor reading. b. Test operation of engine coolant Must operate correctly. Refer to engine manual thermostat.

• Page 123: High Discharge Pressure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH DISCHARGE PRESSURE  TRIGGER-ON: Compressor discharge pressure is over 31.6 bar (465 psig)  UNIT CONTROL: Engine operation: Unit shutdown and alarm. Standby operation: Refrigeration system shutdown and alarm with PSCON still energized. …

• Page 124: High A/C Amps

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH A/C AMPS  TRIGGER-ON: AC Current Sensor 1 or 2 is greater than 28.5A for 3 seconds.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm Standby operation: Refrigeration system shutdown and alarm with PSCON still energized.

• Page 125: Battery Voltage Too High

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BATTERY VOLTAGE TOO HIGH  TRIGGER-ON: Voltage at the microprocessor is greater than 17 VDC.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation: refrigeration system shutdown and alarm with PSCON still energized.

• Page 126: Battery Voltage Too Low

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BATTERY VOLTAGE TOO LOW  TRIGGER-ON: Voltage at the microprocessor is less than 10 VDC (except when the engine starter is engaged.)  UNIT CONTROL: Unit Shutdown & Alarm. Alarm only, if activated while starting unit. …

• Page 127: High Comp Discharge Temp

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH COMP DISCHARGE TEMP  TRIGGER-ON: «Check Compressor Discharge Sensor» alarm not active (if so, refer to alarm 125 first) and: discharge temp rises above 140.6°C (285.1°F) for 30 seconds, or Discharge temp rises above 146.1°C (295.0°F). …

• Page 128: Low Refrigerant Pressure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW REFRIGERANT PRESSURE  TRIGGER-ON: Suction Pressure has been less than -0.43 bar (-6.3 psig) for the Low Suction Pressure Configuration time or 10 seconds (whichever is less).  UNIT CONTROL: Engine Operation: Engine and unit shutdown and alarm. Standby operation: alarm only or (if configured for shutdown) refrigeration system shutdown and alarm with PSCON still energized.

• Page 129
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW REFRIGERANT PRESSURE (Continued) Check CSMV a. Check compressor suction modu- Refer to procedure «How To Check CSMV», Section lation valve. 8.6.7. Check Evaporator Section a. Check evaporator section, return Refer to Section 9.4.10 air bulkhead, air chute, cleanliness of evap.

• Page 130: Low Fuel Shutdown

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW FUEL SHUTDOWN This is an optional alarm. This alarm will not occur unless a fuel level sensor is present and configured ON and a fuel tank size has be selected.  TRIGGER ON: «Check Fuel Sensor»…

• Page 131: Maximum Compressor Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION MAXIMUM COMPRESSOR ALARMS  TRIGGER ON: Option must be installed and alarm must be enabled by configuring the Compressor Alarm Shutdown to YES. Alarms 13, 17, 18, 27 or 28 individually occur 3 times within the last 2 hours of engine running time.

• Page 132: Low Suction Superheat

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION LOW SUCTION SUPERHEAT  TRIGGER ON: «Check Suction Temperature Sensor» and/or «Check Evaporator Temperature Sensor» alarms are not active (refer to alarm 127 and/or 131 first) and: Compressor suction superheat (Compressor Suction Temperature (CST) minus saturated temperature for Compressor Suction Pressure (CSP) is less than 5°C (9°F) for more than 2 minutes.

• Page 133: A/C Current Over Limit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION A/C CURRENT OVER LIMIT  TRIGGER ON: The high voltage amp draw is over the following limit for more than 10 seconds. Mode Diesel High Speed (AMPS) Diesel Low Speed or Standby (AMPS) Cooling Heating Normal Defrost…

• Page 134
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION A/C CURRENT OVER LIMIT (Continued) Check Generator Voltage (If Used When Alarm Occurred) a. Check voltage at GENCON L1-L2, Must be within voltage limits shown in Section 2.11. L1-L3, L2-L3. Check Power Source Voltage (If Used When Alarm Occurred) a.

• Page 135: Compression Ratio Exceeded

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION COMPRESSION RATIO EXCEEDED  TRIGGER ON: If the compressor compression ratio is greater than 21 for 20 seconds.  UNIT CONTROL: Engine operation: Engine and unit shutdown and alarm. Standby operation: Refrigeration system shutdown and alarm with PSCON still energized.

• Page 136: High Suction Pressure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION HIGH SUCTION PRESSURE  TRIGGER ON: The compressor is running and the suction pressure has been greater than 6.7 bar (98 psig) for more than 10 minutes.  UNIT CONTROL: Engine operation: Engine operation: alarm only or (if configured for shut down) engine and unit shutdown and alarm.

• Page 137
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REFRIGERATION SYSTEM  TRIGGER ON: The refrigeration system is running and the discharge pressure is less than 0.34 bar (5 psig) higher than suction pressure for more than 30 seconds.  UNIT CONTROL: Engine operation: alarm only or (if configured for shutdown) engine and unit shutdown and alarm.
• Page 138
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION START-UP / ENGINE ALARMS FAILED TO RUN MINIMUM TIME  TRIGGER-ON: The unit has shut down on an alarm 3 times without having run for at least 15 minutes between each shutdown (not including Door shut downs.) …
• Page 139
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION FAILED TO START — AUTO MODE  TRIGGER-ON: Engine has tried to start three times unsuccessfully in the auto start mode.  UNIT CONTROL: Unit Shutdown & Alarm  RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again.
• Page 140
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION ENGINE FAILED TO STOP  TRIGGER-ON: In engine mode, engine is turning more than 500 RPM for 20 seconds after unit shut down or cycled off or Oil Pressure Switch is closed longer than 20 seconds after unit shut down or cycle off.
• Page 141
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK STARTER CIRCUIT  TRIGGER-ON: Engine speed fails to reach 50 RPM during 2 start attempts.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation: this alarm will not activate in standby operation. …
• Page 142
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK COOLANT TEMPERATURE  TRIGGER-ON: «Check Engine Coolant Sensor» alarm not active (if so, refer to alarm 129 first) and coolant temperature is below 0°C (32°F) after the engine has been running for 5 minutes. …
• Page 143
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK LOW SPEED RPM  TRIGGER-ON: «Check Engine Sensor» alarm not active (if so, refer to alarm 130 first) and: the microprocessor is calling for low speed and speed being read is less than 1300 or greater than 1550 for more than 60 seconds (120 seconds when the microprocessor calls for a change from high speed to low speed, or when the unit first starts) …
• Page 144
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK HIGH SPEED RPM  TRIGGER-ON: «Check Engine RPM Sensor» alarm not active (if so, refer to alarm 130 first) and: the microprocessor is calling for high speed and speed being read is less than 1650 or greater than 2075 for more than 60 seconds (120 seconds when the microprocessor calls for a change from low speed to high speed, or when the unit first starts) …
• Page 145
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENGINE RPM  TRIGGER-ON: «Check Engine RPM Sensor» alarm not active (if so, refer to alarm 130 first) and: engine speed is less than 1350 or greater than 2050 for 5 minutes or engine speed drops to less than 1300 for 5 seconds after the engine speed has been greater than 1350 for 3 seconds.
• Page 146
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENGINE RPM (Continued) Force High Speed Operation a. Place unit in continuous run and The microprocessor will call for High Speed operation. adjust set point to at least 15 de- grees away from refrigerated com- partment temperature, and a tem- perature greater than 5.6°C (20°F).
• Page 147
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK GLOW PLUGS  TRIGGER-ON: During engine startup glow plug amperage is less than 30 Amps, or greater than 16 Amps after 14 seconds of glow time (NOTE: In auto start, this can only occur when the Engine Coolant Temperature is below 32°F (0°C) and the glow time is configured SHORT.) …

• Page 148: Check Refrigeration System

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION ENGINE STALLED  TRIGGER-ON: The engine is running, RPM sensor is good, and engine speed is less than 10 RPM; The engine is running, RPM sensor alarm is ON, and the Oil Pressure switch contacts are open. …

• Page 149: Warning / Status Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION WARNING / STATUS ALARMS ALTERNATOR (BATTERY CHARGER) NOT CHARGING  TRIGGER-ON: Unit is running on either engine or standby and there is a current flow of more than 1.0 amp (discharge) between the battery charger and the battery for 3 continuous minutes. …

• Page 150: Box Temp Out-Of-Range

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BOX TEMP OUT-OF-RANGE  TRIGGER-ON: Alarm Only: Condition One: The refrigerated compartment temperature has been in range [within ±1.5°C (±2.7°F) for perishable set points or ±1.5°C (±2.7°F) for frozen set points] at least once since the unit was started and is now further away from set point than the limit set in the functional parameters for the Out-of-Range Value [ 2°, 3°, or 4°C (4°, 5°, or 7°F)] for 15 continuous minutes (30 minutes following a defrost cycle) OR…

• Page 151: Box Temp Out-Of-Range (Continued)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION BOX TEMP OUT-OF-RANGE (Continued) Check Refrigerated Compartment Doors a. Inspect all box doors. Must be closed, no air leakage. Defrost Evaporator a. Initiate Manual Defrost Cycle. Must terminate automatically. All ice cleared from all evaporator coils. Check For Any Shutdown Alarm(s) a.

• Page 152: Defrost Not Complete

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DEFROST NOT COMPLETE  TRIGGER-ON: Defrost cycle did not complete within 45 minutes  UNIT CONTROL: Engine and standby operation: alarm only. While this alarm is active, the Defrost Timer will be set to initiate a defrost cycle 90 minutes (1.5 hours) of unit running time after the alarm comes on.

• Page 153: Check Defrost Air Switch

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK DEFROST AIR SWITCH  TRIGGER-ON: The defrost air switch has called for a defrost cycle within 8 minutes of a defrost ter- mination for 2 consecutive defrost cycles. (The air switch contacts were closed continuously for 15 seconds before the defrost cycle was started.) …

• Page 154: Check Remote Switch 1

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE SWITCH 1 CHECK REMOTE SWITCH 2  TRIGGER-ON: Microprocessor has received an alarm trigger signal from the switch (contacts open or contacts closed depending on Configuration) for more than five seconds. …

• Page 155: Datalogger (Datacorder) Not Recording

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DATALOGGER (DATACORDER) NOT RECORDING  TRIGGER-ON: No data is being recorded by the data recorder.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Alarm may be manually reset via keypad. NOTE: Follow the steps below until a problem is found.

• Page 156: Datalogger (Data Recorder) Time Wrong

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DATALOGGER (DATA RECORDER) TIME WRONG  TRIGGER-ON: The real time clock in the Data Recorder does not contain a valid date.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the Data Recorder Real Time Clock is reset, or alarm may be manually reset by turning the unit off, then back on again.

• Page 157: Door Open

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DOOR OPEN  TRIGGER-ON: Refrigerated compartment door has been open for more than five seconds.  UNIT CONTROL: Alarm Only, or may be configured to shut unit down or operate the unit in Low Engine Speed.

• Page 158: Electrical Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION ELECTRICAL ALARMS BAD F2 OR F3 FUSE  TRIGGER-ON: F2 &/or F3 has been open for more than 2 seconds: F2, F3  UNIT CONTROL: Engine operation: Alarm Only. If the engine shut off, refer to troubleshooting steps below to correct.

• Page 159: Power-Check Power Cord

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION NO POWER-CHECK POWER CORD  TRIGGER-ON: In standby mode AND no AC power  UNIT CONTROL: Engine operation: this alarm will not activate in engine operation. Standby operation: if the «No Power» Configuration is set for «Installed and Shut Down»…

• Page 160: Comp Motor Overload

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION COMP MOTOR OVERLOAD  TRIGGER-ON: If alarm A22, A27 and/or A28 was triggered with current below 5.5 amps, this alarm will also trigger or on restart from alarm A22, A27 and/or A28 trigger on if compressor current does not rise above 1 amp.

• Page 161: Condenser Motor Overheated

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONDENSER MOTOR OVERHEATED  TRIGGER-ON: One or both of the condenser fan motor Internal Protectors (IP-CDM1 or 2) circuit is open.  UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation: refrigeration system shutdown and alarm with PSCON still energized.

• Page 162: Condenser Motor Overheated (Continued)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONDENSER MOTOR OVERHEATED (Continued) Check Condenser Fan Motors a. Disconnect power plug at motor. Test IP circuit for continuity using ohmmeter. If open, remove and replace motor. If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits.

• Page 163: Evap (Evaporator) Motor Overheated

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION EVAP (EVAPORATOR) MOTOR OVERHEATED  TRIGGER-ON: The evaporator fan motor Internal Protectors (IP-EVM1 AND 2) is open.  UNIT CONTROL: Engine and standby operation: Evaporator will shut down.  RESET CONDITION: Auto Reset after a 15 minute off time when motor overload input is within limits, or change to engine operation, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 164: Evap Motor Overheated (Continued)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION EVAP MOTOR OVERHEATED (Continued) Check Evaporator Fan Motor a. Disconnect power plug at motor Test IP circuit for continuity using ohmmeter If open, remove and replace motor If closed, then an intermittent IP circuit is suspect. Check phase to phase and phase to ground for short or open circuits.

• Page 165: Check Remote Auto Light

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE AUTO LIGHT  TRIGGER-ON: Remote Auto light current (amp) draw is higher than 0.8 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when Auto light current (amp) draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 166: Check Htcon2 Relay Coil

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK HTCON2 RELAY COIL  TRIGGER-ON: Heater contactor 2 (HTCON2) coil current is excessive  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 167: Check Start Up Buzzer

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK START UP BUZZER  TRIGGER-ON: The Buzzer circuit is shorted. (The Buzzer output from the microprocessor is negative, so the circuit will not be shorted to ground, but is shorted either within the Buzzer itself, or to a posi- tive wire.

• Page 168: Check Cdcon Relay Coil

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK CDCON RELAY COIL  TRIGGER-ON: Condenser Contactor Coil (CDCON) current is excessive  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 169: Check High Temp Thermostat (Evhts)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK HIGH TEMP THERMOSTAT (EVHTS)  TRIGGER-ON: With the SROS in the START / RUN position the EVHTS circuit is open.  UNIT CONTROL: Alarm AND no heat allowed.  RESET CONDITION: Auto Reset when the EVHTS circuit is closed for 15 minutes, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 170: Overload/Ground Fault

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION OVERLOAD/GROUND FAULT  TRIGGER-ON: The SROS is in the START / RUN position and the overload and ground fault detector is reading more than 40 Amps on any A/C current leg OR there is A/C voltage leaking to ground of more than 150 mAmps.

• Page 171: Check Evcon Coil

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK EVCON COIL  TRIGGER-ON: Evaporator fan motor contactor (EVCON) current is excessive  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 172: Check Bypass (Unloader) Circuit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK BYPASS (Unloader) CIRCUIT  TRIGGER-ON: Unloader Solenoid Valve coil current draw is higher than 2.0 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the USV coil current draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 173: Check Economizer Circuit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ECONOMIZER CIRCUIT  TRIGGER-ON: Economizer Solenoid Valve coil current draw is higher than 2.0 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the USV coil current draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 174: Check Liv Circuit

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK LIV CIRCUIT  TRIGGER-ON: Liquid Injection Solenoid Valve coil current draw is higher than 2.0 Amps.  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset when the USV coil current draw is normal, or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 175: Sensor Alarms

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SENSOR ALARMS CHECK AMBIENT AIR SENSOR (AAT)  TRIGGER-ON: Sensor is not within the range of -47° to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby operation: Alarm Only.  RESET CONDITION: Auto Reset when sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 176: Check Return Air Sensor (Rat)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK RETURN AIR SENSOR (RAT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby operation: If Alarm 123 — Check Supply Air Sensor — is not active: alarm only and switch to supply air control. If Alarm 123 is active enter Default Mode (refer to Section 4.7.2).

• Page 177: Check Supply Air Sensor (Sat)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK SUPPLY AIR SENSOR (SAT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby: If Alarm 122 is not active and functional parameter Temperature Control is set for Supply Air and the set point for is in the perishable range: alarm only and switch to return air control.

• Page 178: Check Defrost Termination 1 Sensor (Dtt)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK DEFROST TERMINATION 1 SENSOR (DTT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F).  UNIT CONTROL: Engine and standby: If Alarm 122 is not active: Alarm and RAT will be used for defrost initiation and a heat defrost will end after 10 minutes.

• Page 179: Check Compressor Discharge Sensor (Cdt)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK COMPRESSOR DISCHARGE SENSOR (CDT)  TRIGGER-ON: Sensor is not within the range of -40 to +200°C (-40 to +392°F)  UNIT CONTROL: Engine and standby operation: Alarm Only.  RESET CONDITION: Auto Reset when sensor is in range or, alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 180: Check Fuel Sensor (Fls)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK FUEL SENSOR (FLS)  TRIGGER-ON: The fuel level signal is less than 2% for 30 seconds.  UNIT CONTROL: Engine operation: Alarm Only. Standby operation: This alarm does not activate in standby. …

• Page 181: Check Suction Temperature Sensor (Cst)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK SUCTION TEMPERATURE SENSOR (CST)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F)  UNIT CONTROL: Engine and standby operation: alarm only.  RESET CONDITION: Auto Reset or alarm may be manually reset via keypad or by turning the unit off, then back on again.

• Page 182: Amps Measure

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION AMPS MEASURE  TRIGGER-ON: The compressor is on and AC Current Sensor 1 or 2 is less than 5 amps for 10 seconds OR If the difference between AC Current 1 and AC Current 2 is greater than 10 amps for 10 seconds.

• Page 183: Check Eng Coolant Sensor (Enct)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENG COOLANT SENSOR (ENCT)  TRIGGER-ON: Sensor is not within the range of -50 to +130°C (-58 to +266°F).  UNIT CONTROL: Engine operation: Alarm Only. Standby operation: This alarm does not activate in standby. …

• Page 184: Check Engine Rpm Sensor (Enrpm)

  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK ENGINE RPM SENSOR (ENRPM)  TRIGGER-ON: Engine mode only. This alarm does not activate in standby. In Auto Start, after the 2nd or 3rd start attempt the Engine Oil Pressure switch is closed (oil pressure good) and engine speed sensed at less than 1000 rpm NOTE: This alarm can only be triggered during the engine starting sequence and during the 20 seconds immediately following.

• Page 185
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK EVAPORATOR TEMPERATURE SENSOR (EVOT)  TRIGGER-ON: Sensor is not within the range of -47 to +70°C (-53 to +158°F).  UNIT CONTROL: Engine and standby: alarm only and superheat for EVXV will be calculated using SAT.
• Page 186
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CHECK REMOTE TEMPERATURE SENSOR 1 (REMSN1) CHECK REMOTE TEMPERATURE SENSOR 2 (REMSN2) CHECK REMOTE TEMPERATURE SENSOR 3 (REMSN3)  TRIGGER-ON: Sensor is not within the range of -47to +70°C (-53 to +158°F).  UNIT CONTROL: Engine and standby operation: Alarm only.
• Page 187
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION Pretrip ALARMS P141 PRETRIP STOPPED BY USER  TRIGGER-ON: Pretrip cycle was stopped by user before the Pretrip cycle ended automatically.  UNIT CONTROL: Alarm Only.  RESET CONDITION: Alarm may be manually reset via keypad or by turning the unit off, then back on again.
• Page 188
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P154 CHECK SUPPLY AIR SENSOR  TRIGGER-ON: Sensor reading was not within the expected range during test.  UNIT CONTROL: Pretrip will fail and display «PRETRIP FAIL AND COMPLETED».  RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key- pad or by turning the unit off, then back on again.
• Page 189
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P158 CHECK AMBIENT AIR SENSOR  TRIGGER-ON: Sensor reading was not within the expected range during test.  UNIT CONTROL: Pretrip will fail and display «PRETRIP FAIL AND COMPLETED».  RESET CONDITION: Auto Reset if Pretrip is started again, or alarm may be manually reset via key- pad or by turning the unit off, then back on again.
• Page 190
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P174 CHECK LOW SPEED RPM  TRIGGER-ON speed was not within expected range during test or speed did not return to expected range following transition back from high speed test.  UNIT CONTROL: Pretrip will fail and display «PRETRIP FAIL AND COMPLETED». …
• Page 191
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P187 CHECK HEATER 1 CIRCUIT This device is checked twice in Pretrip — once in Test 2 and again in Test 8.  TRIGGER-ON TEST 2: Normal amps for the HTCON1R relay coil are 0.05 to 1.0 Amps (12 VDC). The circuit tests outside this range.
• Page 192
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P187 CHECK HEATER 1 CIRCUIT (Continued) Check Amp Draw of 1HTCON1 Heater Circuit a. With the unit running and calling Must be within range shown in Section 2.11 for all for Heat, use a clamp on ammeter three legs.
• Page 193
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P188 CHECK HEATER 2 CIRCUIT This device is checked twice in Pretrip — once in Test 2 and again in Test 8.  TRIGGER-ON TEST 2: Normal amps for the 1HTCON2 contactor coil are 0.05 to 2.0 Amps (12 VDC).
• Page 194
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P188 CHECK HEATER 2 CIRCUIT (Continued) Check Amp Draw of 1HTCON2 Heater Circuit a. With the unit running and calling Must be within range shown in Section 2.11 for all for Heat, use a clamp on ammeter three legs.
• Page 195
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P189 CHECK EVAPORATOR FAN MOTOR This device is checked twice in Pretrip — once in Test 2 and again in Test 8.  TRIGGER-ON TEST 2: Normal amps for the 1EVCON contactor coil are 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range.
• Page 196
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P189 CHECK EVAPORATOR FAN MOTOR (Continued) Check Amp Draw of 1EVCON Evap Fan Motor Circuit a. With the unit running in either Must be within range shown in Section 2.11 for all HEAT or COOL use a clamp on three legs.
• Page 197
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P190 CHECK CONDENSER FAN MOTOR  TRIGGER-ON Normal amps for the Condenser Fan Motors are 0.8 to 3.5 Amps (460 VAC). The cir- cuit tests outside this range.  UNIT CONTROL: Engine and standby operation: Pretrip will fail and display «PRE-TRIP FAIL AND COMPLETED».
• Page 198
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P206 CHECK CONDENSER FAN CIRCUIT  TRIGGER-ON: Normal amps for the CDCON contactor coil are 0.05 to 2.0 Amps (12 VDC). The circuit tests outside this range.  UNIT CONTROL: Engine and standby operation: Pretrip will fail and display «PRE-TRIP FAIL AND COMPLETED».
• Page 199
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P208 CHK GENERATOR CONT CIRC  TRIGGER-ON: Normal amps for the GENCONR and GENCON coils are 0.0 to 1.0 Amps (12 VDC). The circuit tests outside this range.  UNIT CONTROL: Engine and standby operation: Pretrip will fail and display «PRE-TRIP FAIL AND COMPLETED».
• Page 200
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION P209 CHECK STANDBY CONT CIRCUIT  TRIGGER-ON: Normal amps for the PSCONR relay coil and PSCON or PSCON2 contactor coils 0.0 to 1.0 Amps (12 VDC). The circuit(s) test outside this range. (During this test either PSCON or PSCON2 will be tested depending on the phase reversal module.) …
• Page 201
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 7.10 MAINTENANCE ALARMS ENGINE MAINTENANCE DUE  TRIGGER-ON: The Engine Maintenance Hour Meter time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 202
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION GENERAL MAINTENANCE DUE  TRIGGER-ON: The General Maintenance Hour Meter time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 203
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SERVICE SOON-PM #2 DUE  TRIGGER-ON: The Maintenance Hour Meter #2 time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 204
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION SERVICE SOON-PM #4 DUE  TRIGGER-ON: The Maintenance Hour Meter #4 time has expired.  UNIT CONTROL: Alarm Only. Alarm Light will NOT be turned on.  RESET CONDITION: Alarm may be manually reset via keypad. Check Unit Maintenance Records a.
• Page 205
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION 7.11 MICROPROCESSOR ALARMS SETPOINT ERROR  TRIGGER-ON: There is an error in the set point that is stored in the microprocessor memory.  UNIT CONTROL: Unit Shutdown & Alarm.  RESET CONDITION: Auto Reset when a valid set point is entered, or alarm may be manually reset by turning the unit off, then back on again.
• Page 206
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION FUNCTION PARAMETERS ERROR  TRIGGER-ON: There is an error in one or more of the Functional Parameters that are stored in the microprocessor memory.  UNIT CONTROL: Incorrect Functional Parameter(s) will be automatically set for default value. …
• Page 207
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONFIGURATIONS 1 ERROR  TRIGGER-ON: There is an error in the Configuration settings that are stored in the microprocessor memory.  UNIT CONTROL: Incorrect Configuration(s) will be automatically set for default value.  RESET CONDITION: Auto Reset when valid Configuration(s) are entered, or alarm may be manually reset by turning the unit off, then back on again NOTE: Follow the steps below until a problem is found.
• Page 208
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION DISCHARGE PRESS CALIBRATE ERROR  TRIGGER-ON: There is an error in the Compressor Discharge Pressure Sensor Calibration value stored in memory.  UNIT CONTROL: Alarm Only.  RESET CONDITION: See following instruction. NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active alarm should clear itself (see reset condition above).
• Page 209
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CANNOT SAVE SETTING  TRIGGER-ON: There is an error in sending and saving new settings in the Microprocessor memory.  UNIT CONTROL: Alarm only.  RESET CONDITION: Alarm may be manually reset via Keypad or by turning the unit off, then back on again.
• Page 210
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION CONFIGURATION MODE / HP2 ERROR  TRIGGER-ON: EEPROM Configuration is out of range.  UNIT CONTROL: Shutdown and alarm.  RESET CONDITION: Auto Reset only when valid info is available for the microprocessor are entered. NOTE: Follow the steps below until a problem is found.
• Page 211
  Alarm Steps ALARM / CAUSE CORRECTIVE ACTION MICROPROCESSOR ERROR  TRIGGER-ON: Microprocessor Input Conversion Error.  UNIT CONTROL: Shutdown and alarm.  RESET CONDITION: Auto Reset when input conversions are valid, or Alarm may be manually reset by turning the unit off, then back on again. NOTE: Follow the steps below until a problem is found.
• Page 213
  SECTION LAYOUT The use of inert gas brazing procedures is Service procedures are presented herein beginning mandatory for all Carrier Transicold refrig- with Scheduled Maintenance (Section 8.2) & PreTrip eration units; otherwise compressor failure (8.3) then Refrigerant System Service (8.5) followed will occur.

• Page 214: Table 8-1. Maintenance Schedule

  Table 8-1. Maintenance Schedule REFERENCE SYSTEM OPERATION SECTION a. At the beginning of every trip Pretrip Inspection Check Engine Hours Check b. At first 400 hours of operation Engine 1. Change lube oil and filter 8.4.7 c. Every 1500 hours Engine 1.

• Page 215
  PRETRIP INSPECTION OPERATE IN HIGH SPEED COOL The following pretrip inspection should be performed AND RECORD before every trip and at each scheduled maintenance. (From Microprocessor Unit Data List) SUCTION PRESSURE WARNING DISCHARGE PRESSURE Inspect battery cables for signs of wear, EVAPORATOR PRESSURE abrasion or damage at every Pretrip in- ENGINE COOLANT TEMPERATURE…

• Page 216: Figure 8-1. Fuel System Diagram

  ENGINE SERVICE AND COMPONENTS 8.4.1 Fuel System The fuel system (see Figure 8-1) consists of the fuel tank, optional electric pump, mechanical lift pump, fuel filter, fuel injection pump, the injectors and intercon- necting tubing. 1. Mechanical Fuel Lift 3. Bleed Screw Pump 4.

• Page 217: Figure 8-3. Mechanical Fuel Pump

  c. Install water separator on new element using new O-ring. d. Fill new element with clean diesel fuel, lubricate the seal and install. Tighten firmly by hand. e. Start unit and check for leaks. 8.4.6 Fuel Level Sensor (FLS) An optional fuel level sensor (item 13, Figure 8-1) sup- plies an input signal to the microprocessor as to the % of fuel remaining in the fuel tank.

• Page 218: Figure 8-6. Lube Oil Flow Diagram

  DO NOT disconnect the Speed Control Sole- noid (SCS). a. Engine speed may be determined using a strobe tachometer. (Carrier Transicold Part No. 07-00206.) i. Check unit data readings for current at AC-1 & AC-2 or by checking the Unit Data «ENGINE RPM» read- and engine speed.

• Page 219
  8.4.10 Radiator WARNING The radiator is an integral part of the condenser coil. Cooling air is drawn through the radiator by the con- When working with belts, beware of pinch denser fans. The radiator must be clean both internally points. and externally for adequate cooling.

• Page 220: Figure 8-8. Engine Crankcase Breather

  1. Screw 3. Breather Valve 2. Breather Cover 4. Breather Tube Figure 8-8. Engine Crankcase Breather 8.4.14 Servicing Glow Plugs The total circuit amp draw for the glow plug circuit is checked during a Pretrip cycle. When servicing, the glow plug is to be fitted carefully into the cylinder head to prevent damage to glow plug.

• Page 221
  Personal protective equipment Before doing anything on this refrigerant unit and to avoid personal injury: ALWAYS use tools and Personal Protective Equipment in accordance with and follow Carrier Log-out/Tag-out procedure Hearing protection is recommended when unit is running. 62-61753-21…
• Page 222
  TOOL LIST Picture Tool  Refrigerant Manifold gauges set: Check the manifold calibration before any use: Needles at 0 if no pressure. In case of R-452A Manifold gauges not available: Use the standard R-404A Manifold gauges and refer to R- 452A Refrigerant Properties Information Refrigerant Manifold gauges set includes: …
• Page 223
  Removing The Refrigerant Charge Manifold installation & Hoses evacuation To ensure no remaining refrigerant & air in- Unit connection side the refrigerant hoses (A, B, C, D). Before manifold installation ensure :  Compressor Service Valves are in back seat position …
• Page 224
  Procedure R-452A Recovery Before continue the next steps: Unit Side Ensure the manifold installation procedure is correctly completed. For Vector unit:  Place the unit in service mode. Refer to the technical manual (if needed).  Ensure the microprocessor displays: “RECOVER/LEAK CHK/EVAC MODE”…
• Page 225
  Procedure R-452A Recovery Connect the vapour valve (F) of the R-452A recovery bottle to the recovery machine. The system is ready for vapour recovery. R-452A vapour recovering Open Vapour valve (F). Start the Recovery machine. Open hose (B) service valve Open the manifold gauge valve (1,4).
• Page 227
  H volume displacement, Carrier Transicold 14. Receiver 5. Vacuum Gauge P/N 990071) and a good vacuum indicator such as 15. Liquid Line Service 6. Vacuum Pump a thermocouple vacuum gauge, (Carrier Transicold Valve 7. Suction Service Valve P/N 07-60132-00). 16. Filter Drier 8. Compressor 17.
• Page 228
  This operation is to test the evacuation setup for e. Then open the vacuum pump and electronic vacu- leaks, repair if necessary. um gauge valves, if they are not already open. Start the vacuum pump. Evacuate unit until the electronic d.
• Page 229
  k. Check for proper unit operation by running Pretrip (Refer to Section 3.4). Adding A Partial Charge a. Start the unit in high speed Engine Operation (am- bient between 18°C (24°F) and 30°C (86°F) with a setpoint of 20°C (68°F) or lower. b.
• Page 230
  g. Rotate the compressor to gain access to the power p. Using a backup wrench, torque the compressor plug. Remove the power plug retaining clip (see connections as follows: Figure 8-11) by pulling out gently on the left side (to Service Valve / Connection Torque Value clear the shorter left locking tab and rotate the right…
• Page 231
  reverse flush (opposite normal air flow) with clean g. Leak check, evacuate the unit and charge in ac- water at mild pressure. cordance with sections 8.5.2, 8.5.3 & 8.5.4. A garden hose with spray nozzle is usually suffi- h. Reconnect coolant hoses and refill engine coolant cient.
• Page 232
  1. Liquid Inlet Line 6. Economizer Solenoid Valve 2. Liquid Outlet Line 7. TXV bulb 3. Liquid Injection Line 8. Economizer Line 4. Economizer Heat Exchanger 9. Compressor Economizer Connection 5. Liquid Injection Solenoid Valve 10. Unloader Solenoid Valve Figure 8-13. Economizer Assembly 8.6.5 Filter Drier 8.6.6…

• Page 233: Table 8-2. Csmv Connections

  Replacing the Drive and Motor Assembly a. To test with a stepper motor drive tester (Carrier a. Remove the refrigerant charge. (Refer to section Transicold part number 07-00375-00), connect the 8.5.1).

• Page 234: Table 8-3. Evxv Connections

  tor tester to manually open the valve to 100% before it is installed. Torque nut to 47.4 Nm (35 ft-lb). c. Leak check, evacuate the unit and charge in ac- cordance with sections 8.5.2, 8.5.3 & 8.5.4. Emergency Repair Procedures: In the event that the SMV system has a failure, and replacement components are not readily available in an emergency.

• Page 235
  The valve stepper motor may be tested using a step- tor drive tester. per motor drive tester or ohmmeter. a. To test with a stepper motor drive tester (carrier CAUTION Transicold part number 07-00375-00), connect the 5 pin test cable to the valve connector, and the ca-…
• Page 236
  LIQUID INJECTION OR ECONOMIZER VALVE UNLOADER VALVE COIL ASSEMBLY INTERNAL COMPONENTS 1. Locking Nut 7. Internal O-Ring 2. Upper O-Ring 8. Spring 3. Threaded Collar 9. Armature 4. Coil 10. Diaphragm 5. Lower O-Ring 11. Drilled Washer 6. Armature Tube Figure 8-18.
• Page 237
  8.6.10 Economizer Thermostatic Expansion Valve The thermostatic expansion valve (TXV) is an auto- matic device which maintains constant superheat of the refrigerant gas leaving the economizer heat ex- changer regardless of suction pressure. The valve functions are: (a) automatic control of refrigerant flow to match the economizer heat exchanger load and (b) prevention of liquid refrigerant return to the compres- sor.
• Page 238
  Checking High Pressure Switch 8.6.12 Pressure Transducers The Compressor Discharge Pressure Transducer WARNING (CDP) has a range of 0 to 34.0 bar (0 to 500 PSIG) while the Compressor Suction Pressure Transducer (CSP) and Evaporator Pressure Transducer (EVOP) Do not use a nitrogen cylinder without a have a range of -1 to 6.8 bar (-14.7 to100 PSIG).

• Page 239: Table 8-4. Blower Wheel Identification

  ELECTRICAL SYSTEM COMPONENT SER- VICE 8.7.1 Heaters Description The evaporator coil heaters and drain pan heater are energized through the power supply or engine driven AC generator. They are used in the defrost and heat modes. Replacing Heaters WARNING 1. Ohmmeter or Continui- 4.

• Page 240
  Replacing Blower Assembly 8.7.3 Condenser Fan & Motor Assemblies The condenser fans pull air through the condenser coil and discharge over the engine. To replace fan and motor assembly components: a. Open the front doors b. Disconnect wiring. Loosen securing bolts and allow fan and motor assembly to drop onto guide rails.
• Page 241
  Cooling Removal CAUTION WARNING Do not direct water or steam into the gen- Be aware of HIGH VOLTAGE supplied by erator openings. Do not allow any soap and the generator as the unit may start auto- water solutions to enter the generator. matically.
• Page 242
  7. Remove the tie-wraps holding connectors to the belt guard and then remove belt guard. 5. Remove the jam nuts (5) and gasket from the ex- haust connection. 8. Slide the generator removal bracket (Carrier EXTENSION Transicold part number SKM-5670) into the rear BRACKET engine support channel.
• Page 243
  Leave the shim in place until the 12. Remove the speed sensor and install the flywheel generator is re-installed on the engine. locking tool (Carrier Transicold part number 07-60083-01) in its place. 14. Remove three of the six rotor mounting bolts and install generator removal threaded rods (Carrier Transicold part number 07-60122-00).
• Page 244
  Locate two screw holes on the face of the crank- shaft which are located approximately 12.7 mm (0.5 in) apart. All other screw holes are approxi- 15. Install the generator lifting tool (Carrier Transicold mately 19mm (0.75 in) apart (See Figure 8-23). part number 07-60085-00) into top two generator e.
• Page 245
  j. Install three rotor bolts and bring them snug against 8.7.6 Compressor Discharge Temperature Sensor the rotor. To replace the compressor discharge sensor (see NOTE Figure 8-24) do the following: The bolts will be torqued later. a. Ensure the unit is disconnected from the power k.

• Page 246: Table 8-5. Sensor Resistance (Aat, Rat, Sat, Enct, Evot, Cst, Dtt)

  Table 8-5. Sensor Resistance (AAT, RAT, SAT, ENCT, EVOT, CST, DTT) °C °F Ohms °C °F Ohms °C °F Ohms °C °F Ohms 336,500 -7.8 49,060 24.4 10,250 56.7 2,809 -38.9 312,600 -6.7 46,230 25.6 9,760 57.8 2,697 -37.8 290,600 -5.6 43,580 26.7…

• Page 247: Table 8-6. Sensor Resistance (Cdt)

  Table 8-6. Sensor Resistance (CDT) °C °F Ohms °C °F Ohms °C °F Ohms °C °F Ohms 2,889,600 96.8 53,887 112 233.6 4,204 188 370.4 -36.4 2,532,872 100.4 49,656 114 237.2 3,977 190 374.0 -32.8 2,225,078 104.0 45,812 116 240.8 3,759 -29.2 1,957,446 107.6…

• Page 249: Table 9-1. R-404A Temperature Pressure Chart

  SECTION 9 Temperature Pressure Chart Table 9-1. R-404A Temperature Pressure Chart Temperature Pressure Temperature Pressure °C °F PSIG °C °F PSIG 72.5 75.6 78.8 12.9 82.1 16.3 85.5 17.7 89.0 19.2 92.5 20.7 96.2 22.3 99.9 23.9 103.7 25.6 115.4 1.88 27.3 126.1…

• Page 250
  Table 9-2-2. R-452A Temperature Pressure Chart (DEGREE) Pressure [Bar] Pressure [Bar] Pressure [Bar] Temp Temp Temp °C Liquid Vapor °C Liquid Vapor °C Liquid Vapor 0,52 0,42 3,73 3,21 14,23 12,85 0,54 0,44 3,86 3,33 14,60 13,20 0,58 0,47 4,00 3,46 14,97 13,55…
• Page 251
  Table 9-2-31. R-452A Temperature Pressure Chart (FAHRENHEIT) Pressure Pressure Pressure Pressure [psia] [psia] [psia] [psia] Temp Temp Temp Temp °F Liquid Vapor °F Liquid Vapor °F Liquid Vapor °F Liquid Vapor 20,44 17,11 65,51 56,78 161,99 144,88 336,64 311,56 20,96 17,56 66,78 57,92…
• Page 253
  SECTION 10 — TROUBLESHOOTING CAUTION Under no circumstances should anyone attempt to repair the Logic or Display Boards. Should a problem develop with these components, contact your nearest Carrier Transicold dealer for re- placement. INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.1 DIESEL ENGINE…
• Page 254
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.1.2 Engine Starts Then Stops Engine stops after Fuel supply restricted Check several rotations No fuel in tank Check Leak in fuel system Check Faulty fuel control operation Engine Manual Fuel filter restricted 8.4.5 Injector nozzle(s) defective Engine Manual Injection pump defective…
• Page 255
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.1.5 Malfunction In The Engine Starting Circuit No power to starter solenoid (SS) Battery defective Check Loose electrical connections Tighten Fuel solenoid Battery defective Check does not energize or does Loose electrical connections Tighten not remain energized Oil pressure safety switch (ENOPS) defective Replace…
• Page 256
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.2 BATTERY CHARGER Input fuse blows when charger is Short in 12 volt wiring causing Locate and re- turned on overload of charger move short Input fuse blows repeatedly, even Internal short Replace when not connected Charger does not taper back after Bad cell in battery Test battery for…
• Page 257
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.3 GENERATOR No voltage Circuit breaker tripped Check Open or short in stator windings Check Short circuited Repair Low voltage Low engine speed Correct Excessive load Check High resistance connections — connections Clean and Tight- warm or hot Fluctuating voltage Fluctuating speed…
• Page 258
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4 REFRIGERATION 10.4.1 Unit Will Not Cool Compressor malfunction Compressor contactor defective Check Compressor defective 8.6.1 Refrigeration system A defrost cycle did not terminate 9.4.6 Abnormal pressure 9.4.7 10.4.2 Unit Runs But Has Insufficient Cooling Compressor Compressor defective 8.6.1…
• Page 259
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4.6 Defrost Cycle Malfunction Will not initiate defrost DTT is above 40°F (4.4°C) Cool Box Down automatically Loose terminal connections Tighten Air sensing tubes defective or disconnected Check Defrost air switch (DAS) defective or out of calibration 8.6.13 Will not initiate defrost manually Microprocessor defective…
• Page 260
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4.9 Control System Malfunction Will not control Sensor defective 8.7.7 Relay(s) defective Check Microprocessor controller malfunction Check 10.4.10 No Evaporator Air Flow Or Restricted Air Flow No or partial evaporator Check return air bulkhead and air chute. Ensure return air Clean, repair or air flow is not restricted and chute is in good condition…
• Page 261
  INDICATION/ REFERENCE POSSIBLE CAUSES TROUBLE SECTION 10.4.12 Solenoid Valve Malfunction Solenoid valve does not function No power to valve Check properly Improper wiring or loose connections Check Coil defective 8.6.9 Valve improperly assembled 8.6.9 Coil or coil sleeve improperly assembled 8.6.9 Movement of plunger restricted due to: 8.6.9…
• Page 263
  SECTION 11 — WIRING 11.1 HARNESS PLUG WIRING 1MP — — NATURAL Terminal Component OC-E (SN-1) OC-H (SN-2) 5 (16) (30) CDP-C 6 (17) EVOP-C 7 (18) ENCT-A 9 (20) CDT-A 10 (19) CST-A 11 (22) AAT-A 12 (23) RAT-A 13 (35) SAT-B OC-F,G,H…
• Page 264
  3 MP — — Grey 2 MP — — Black Terminal Component Terminal Component 3 (15) (27) SATCOM -C OC2-B (RS-1) 5 (17) (29) SLP (C) FLS-B DAS-A 7 (18) (31) ENRPM-C 8 (19) (20) (32) CSMV-D 15 (3) (27) SATCOM -B 11 (12) (22) (23) (35) EVXV-B…
• Page 265
  5 MP 4 MP 6 MP Terminal Component Terminal Component Terminal Component 1 (5) CCONR-2/HC-11 MPQC-9/SPK2 DISP/A1 — BLK 2 (6) CDCON-A2 SP20/DES-1 DISP/B2 — WHT IPCDM1 3 (15) EVCON- PRM-OUT+ DISP/C3 — RED A2/IPEVH1 4 (13) (14) HTCON1R-1 5 (6) GCS-2 DISP/D4 — GRN HTCON2-A1…
• Page 266
  HC Plug Terminal Component OGF-OV/SP-34 MPQC-3/SCS-A MPQC-1/BTY(+) MPQC-4/SP-30 OC-A/GROUND RCR-2/OC-B SSR-87/SS 2MP-2/LS-1 SP-33/4MP-1/CCONR-1 F5-B/SSC/BTY(+) GRD1/MPQC-2 GRD/HC-15 BTYC-A/SP-1 RS-2/OC-J/OC-K MPQC-9/SP-35 2MP-26/GENCONR-1/PSCONR-1 Unused terminals: 5, 10 & 13 11-4 62-61753-21…
• Page 267
  11.2 DISPLAY HARNESS CONNECTIONS Test Point Color Description TP14 Pin 1 Black +12 Vdc for Display backlighting and indicator LED-s TP13 Pin 2 White Ground for Backlighting and indicator LEDs TP13 Pin 3 Ground for Backlighting and indicator LEDs TP12 Pin 4 Green +5 Vdc for Display processor and LCD…
• Page 268
  Mode, Configuration, 5-1 Mode, Cool, 4-5 Economizer, 2-10, 8-19 Mode, Default, 4-10 Engine, 2-9 Mode, Defrost, 2-21, 4-5 Evacuation, 8-15 Mode, Economized, 2-21 Mode, Heat, 2-21, 4-5 Mode, Liquid Injection, 4-10 Fan, Condenser, 2-10, 8-28 Mode, Null, 2-21 Fan, Evaporator, 8-27 Mode, Service, 5-3 Filter Drier, 2-10, 8-20 Mode, Standard, 2-21…
• Page 269
  Switch, Door, 2-16 Switch, Engine Oil Pressure, 2-9 Safety Devices, 2-20 Switch, ENGINE/STANDBY, 2-15 Safety Precautions, 1-1 Switch, Evaporator High Temperature, 2-11 Scheduled Maintenance, 8-1 Switch, High Pressure, 2-10, 8-25 Self Test, 3-3 Switch, LANGUAGE, 2-15 Sensor Checkout, 8-33 Switch, Remote, 2-16 Sensor, Ambient Air Temperature, 2-10 Switch, START-RUN/OFF, 2-15 Sensor, Compressor Discharge Temperature, 2-10,…