Melservo j4 ошибки

Mitsubishi Electric MELSERVO-J4 Manual Online: Alarm List. No. Name 10 Undervoltage 11 Switch setting error Memory error 1 12 (RAM) 13 Clock error Control process 14 error Memory error 2 15 (EEP-ROM) Encoder initial 16 communication error 1 Detail Detail name No. Voltage drop in the...

1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)

No.

Name

10

Undervoltage

11

Switch setting error

Memory error 1

12

(RAM)

13

Clock error

Control process

14

error

Memory error 2

15

(EEP-ROM)

Encoder initial

16

communication

error 1

Detail

Detail name

No.

Voltage drop in the control

10.1

circuit power

Voltage drop in the main circuit

10.2

power

Axis number setting error/

11.1

Station number setting error

Disabling control axis setting

11.2

error

12.1

RAM error 1

12.2

RAM error 2

12.3

RAM error 3

12.4

RAM error 4

12.5

RAM error 5

12.6

RAM error 6

13.1

Clock error 1

13.2

Clock error 2

14.1

Control process error 1

14.2

Control process error 2

14.3

Control process error 3

14.4

Control process error 4

14.5

Control process error 5

14.6

Control process error 6

14.7

Control process error 7

14.8

Control process error 8

14.9

Control process error 9

14.A

Control process error 10

14.B

Control process error 11

15.1

EEP-ROM error at power on

EEP-ROM error during

15.2

operation

Home position information read

15.4

error

Encoder initial communication —

16.1

Receive data error 1

Encoder initial communication —

16.2

Receive data error 2

Encoder initial communication —

16.3

Receive data error 3

Encoder initial communication —

16.5

Transmission data error 1

Encoder initial communication —

16.6

Transmission data error 2

Encoder initial communication —

16.7

Transmission data error 3

Encoder initial communication —

16.A

Process error 1

Encoder initial communication —

16.B

Process error 2

Encoder initial communication —

16.C

Process error 3

Encoder initial communication —

16.D

Process error 4

Encoder initial communication —

16.E

Process error 5

Encoder initial communication —

16.F

Process error 6

Alarm deactivation

Stop

method

Cycling

Alarm

CPU

(Note

the

reset

reset

2, 3)

power

EDB

SD

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

DB

1 — 3

Alarm code (Note

Process-

Stop

ing

system

ACD3

ACD2

system

(Note 9)

(Bit 3)

(Bit 2)

(Note 9)

Common All axes

0

0

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

0

0

Common All axes

Common All axes

Common All axes

0

0

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

0

0

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

Common All axes

0

0

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

0

1

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

Each

Each

axis

axis

ACD1

ACD0

(Bit 1)

(Bit 0)

1

0

0

0

0

0

0

0

0

0

1

0

Источник

Contents
Table of Contents
Troubleshooting
Bookmarks

Quick Links

General-Purpose AC Servo

MELSERVO-J4 Servo amplifier

INSTRUCTION MANUAL TROUBLE SHOOTING

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Summary of Contents for Mitsubishi Electric MELSERVO-J4

Page 1
General-Purpose AC Servo MELSERVO-J4 Servo amplifier INSTRUCTION MANUAL TROUBLE SHOOTING…
Page 2: Safety Instructions

Safety Instructions Please read the instructions carefully before using the equipment. To use the equipment correctly, do not attempt to install, operate, maintain, or inspect the equipment until you have read through this Instruction Manual, Installation guide, and appended documents carefully. Do not use the equipment until you have a full knowledge of the equipment, safety information and instructions.
Page 3
1. To prevent electric shock, note the following WARNING Before wiring or inspection, turn off the power and wait for 15 minutes or more until the charge lamp turns off. Then, confirm that the voltage between P+ and N- is safe with a voltage tester and others. Otherwise, an electric shock may occur.
Page 4
(2) Usage CAUTION Before resetting an alarm, make sure that the run signal of the servo amplifier is off in order to prevent a sudden restart. Otherwise, it may cause an accident. Use the servo amplifier with the specified servo motor. (3) Corrective actions CAUTION When it is assumed that a hazardous condition may occur due to a power failure or product malfunction,…
Page 5
MEMO A — 4…
Page 6: Table Of Contents

CONTENTS 1. TROUBLESHOOTING 1- 1 to 1-72 1.1 Alarm and warning list ……………………1- 1 1.2 Remedies for alarms……………………. 1- 6 1.3 Remedies for warnings ……………………1-54 1.4 Trouble which does not trigger alarm/warning …………….1-63 2. DRIVE RECORDER 2- 1 to 2-10 2.1 How to use drive recorder…………………….
Page 7
MEMO…
Page 8: Troubleshooting

1. TROUBLESHOOTING 1. TROUBLESHOOTING 1.1 Alarm and warning list When an error occurs during operation, the corresponding alarm or warning is displayed. If any alarm or warning has occurred, refer to section 1.2 and take the appropriate action. When an alarm occurs, ALM (Malfunction) will turn off.
Page 9
1. TROUBLESHOOTING Name Detail No. Detail name Encoder initial communication 1F.1 Incompatible encoder error 3 1F.2 Incompatible load-side encoder Encoder normal communication 20.1 Encoder normal communication — Receive data error 1 error 1 20.2 Encoder normal communication — Receive data error 2 20.3 Encoder normal communication — Receive data error 3 20.5…
Page 10
1. TROUBLESHOOTING Name Detail No. Detail name Inrush current suppression circuit 3A.1 Inrush current suppression circuit error error Parameter setting error for driver 3D.1 Parameter combination error for driver communication on slave communication 3D.2 Parameter combination error for driver communication on master Operation mode error 3E.1 Operation mode error…
Page 11
1. TROUBLESHOOTING Name Detail No. Detail name Load-side encoder normal 71.1 Load-side encoder communication — Receive data error 1 communication error 1 71.2 Load-side encoder communication — Receive data error 2 71.3 Load-side encoder communication — Receive data error 3 71.5 Load-side encoder communication — Transmission data error 1 71.6…
Page 12
1. TROUBLESHOOTING Name Detail No. Detail name Servo amplifier overheat warning 91.1 Main circuit device overheat warning Battery cable disconnection 92.1 Encoder battery cable disconnection warning warning 92.3 Battery degradation ABS data transfer warning 93.1 ABS data transfer requirement warning during magnetic pole detection STO warning 95.1 STO1 off detection…
Page 13: Remedies For Alarms

1. TROUBLESHOOTING 1.2 Remedies for alarms When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before restarting operation. Otherwise, it may cause injury. If [AL. 25 Absolute position erased] occurs, always make home position setting CAUTION again.
Page 14
1. TROUBLESHOOTING Alarm No.: 10 Name: Undervoltage The voltage of the control circuit power supply has dropped. Alarm content The voltage of the main circuit power supply has dropped. Detail Detail name Cause Check method Check result Action Target 10.1 Voltage drop in The connection of the Check the control…
Page 15: Ram Error

1. TROUBLESHOOTING Alarm No.: 11 Name: Switch setting error The setting of the axis selection rotary switch or auxiliary axis number setting switch is incorrect. Alarm content The setting of the disabling control axis switch is incorrect. Detail Detail name Cause Check method Check result…
Page 16: Clock Error

1. TROUBLESHOOTING Alarm No.: 13 Name: Clock error [RJ010]: MR-J3-T10 came off. Alarm content A part in the servo amplifier is failure. A clock error transmitted from the controller occurred. Detail Detail name Cause Check method Check result Action Target 13.1 Clock error 1 (1) The MR-J3-T10 came…
Page 17: Control Process Error

1. TROUBLESHOOTING Alarm No.: 14 Name: Control process error [RJ010]: MR-J3-T10 came off. Alarm content The process did not complete within the specified time. Detail Detail name Cause Check method Check result Action Target 14.2 Control process (1) The MR-J3-T10 came Check if [AL.
Page 18
1. TROUBLESHOOTING Alarm No.: 15 Name: Memory error 2 (EEP-ROM) [RJ010]: MR-J3-T10 came off. Alarm content A part (EEP-ROM) in the servo amplifier is failure. Detail Detail name Cause Check method Check result Action Target 15.1 EEP-ROM error EEP-ROM is Disconnect the cables It is repeatable.
Page 19
1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.1 Encoder initial (1) An encoder cable is Check if the encoder It has a failure.
Page 20
1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.3 Encoder initial An axis not used is not Check the setting of It is not set as Set it as disabled-…
Page 21
1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.A Encoder initial (1) The servo amplifier is Replace the servo It is not repeatable.
Page 22
1. TROUBLESHOOTING Alarm No.: 17 Name: Board error Alarm content A part in the servo amplifier is malfunctioning. Detail Detail name Cause Check method Check result Action Target 17.6 Board error 5 The setting value of the Disconnect the cables It is repeatable.
Page 23
1. TROUBLESHOOTING Alarm No.: 1E Name: Encoder initial communication error 2 Alarm content An encoder is malfunctioning. Detail Detail name Cause Check method Check result Action Target 1E.1 Encoder (1) An encoder is Replace the servo It is not repeatable. Replace the servo malfunction malfunctioning.
Page 24
1. TROUBLESHOOTING Alarm No.: 20 Name: Encoder normal communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 20.1 Encoder normal (1) An encoder cable is Check if the encoder It has a failure.
Page 25
1. TROUBLESHOOTING Alarm No.: 20 Name: Encoder normal communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 20.7 Encoder normal Check it with the check method for [AL. 20.1]. communication — Transmission data error 3…
Page 26
1. TROUBLESHOOTING Alarm No.: 24 Name: Main circuit error A ground fault occurred on the servo motor power lines. Alarm content A ground fault occurred at the servo motor. Detail Detail name Cause Check method Check result Action Target 24.1 Ground fault (1) The servo amplifier is Disconnect the servo…
Page 27
1. TROUBLESHOOTING Alarm No.: 25 Name: Absolute position erased The absolute position data is faulty. The power was switched on for the first time in the absolute position detection system. Alarm content After the scale measurement encoder was set to the absolute position detection system, the power was switched on for the first time.
Page 28
1. TROUBLESHOOTING Alarm No.: 25 Name: Absolute position erased The absolute position data is faulty. The power was switched on for the first time in the absolute position detection system. Alarm content After the scale measurement encoder was set to the absolute position detection system, the power was switched on for the first time.
Page 29
1. TROUBLESHOOTING Alarm No.: 27 Name: Initial magnetic pole detection error Alarm content The initial magnetic pole detection was not completed properly. Detail Detail name Cause Check method Check result Action Target 27.1 Magnetic pole (1) A moving part collided Check if it collided.
Page 30
1. TROUBLESHOOTING Alarm No.: 28 Name: Linear encoder error 2 Alarm content Working environment of linear encoder is not normal. Detail Detail name Cause Check method Check result Action Target 28.1 Linear encoder (1) The ambient Check the ambient It is out of Lower the — Environment temperature of the…
Page 31
1. TROUBLESHOOTING Alarm No.: 2B Name: Encoder counter error Alarm content Data which encoder created is failure. Detail Detail name Cause Check method Check result Action Target 2B.1 Encoder (1) An encoder cable is Check if the encoder It has a failure. Repair or replace the counter error 1 malfunctioning.
Page 32
1. TROUBLESHOOTING Alarm No.: 31 Name: Overspeed The servo motor seed has exceeded the permissible instantaneous speed. Alarm content The linear servo motor seed has exceeded the permissible instantaneous speed. Detail Detail name Cause Check method Check result Action Target 31.1 Abnormal motor (1) The command pulse…
Page 33
1. TROUBLESHOOTING Alarm No.: 32 Name: Overcurrent Alarm content Current that flew is higher than the permissible current of the servo amplifier. Detail Detail name Cause Check method Check result Action Target 32.1 Overcurrent (1) The servo amplifier is Disconnect the servo It occurs.
Page 34
1. TROUBLESHOOTING Alarm No.: 32 Name: Overcurrent Alarm content Current that flew is higher than the permissible current of the servo amplifier. Detail Detail name Cause Check method Check result Action Target 32.3 Overcurrent Check it with the check method for [AL. 32.1]. detected at hardware detection circuit…
Page 35
1. TROUBLESHOOTING Alarm No.: 34 Name: SSCNET receive error 1 Alarm content An error occurred in SSCNET III/H communication. (continuous communication error with 3.5 ms interval) Detail Detail name Cause Check method Check result Action Target 34.1 SSCNET (1) The SSCNET III cable is Check the SSCNET III It is disconnected.
Page 36
1. TROUBLESHOOTING Alarm No.: 35 Name: Command frequency error Alarm content Input pulse frequency of command pulse is too high. Detail Detail name Cause Check method Check result Action Target 35.1 Command (1) The command pulse Check the command The command pulse Check operation frequency error frequency is high.
Page 37
1. TROUBLESHOOTING Alarm No.: 36 Name: SSCNET receive error 2 An error occurred in SSCNET III/H communication. (intermittent communication error with about 70 ms Alarm content interval) Detail Detail name Cause Check method Check result Action Target 36.1 Continuous (1) The SSCNET III cable is Check the SSCNET III It is disconnected.
Page 38
1. TROUBLESHOOTING Alarm No.: 37 Name: Parameter error Alarm content Parameter setting is incorrect. Detail Detail name Cause Check method Check result Action Target 37.1 Parameter (1) A parameter was set Check if the software It is not supported. Replace with the setting range for a function not version of the servo…
Page 39
1. TROUBLESHOOTING Alarm No.: 3A Name: Inrush current suppression circuit error Alarm content The inrush current suppression circuit error was detected. Detail Detail name Cause Check method Check result Action Target 3A.1 Inrush current (1) Inrush current Replace the servo It is not repeatable.
Page 40
1. TROUBLESHOOTING Alarm No.: 42 Name: Servo control error Alarm content A servo control error occurred. Detail Detail name Cause Check method Check result Action Target 42.1 Servo control The linear encoder Check the setting of The setting is Set it correctly. error by resolution setting differs [Pr.
Page 41
1. TROUBLESHOOTING Alarm No.: 42 Name: Servo control error Alarm content A servo control error occurred. Detail Detail name Cause Check method Check result Action Target 42.2 Servo control The linear encoder Check the setting of The setting is Set it correctly. error by speed resolution setting differs [Pr.
Page 42
1. TROUBLESHOOTING Alarm No.: 42 Name: Fully closed loop control error detection (during fully closed loop control) Alarm content A fully closed loop control error has occurred. Detail Detail name Cause Check method Check result Action Target 42.8 Fully closed The resolution of the Check the setting of The setting is…
Page 43
1. TROUBLESHOOTING Alarm No.: 45 Name: Main circuit device overheat Alarm content Inside of the servo amplifier overheated. Detail Detail name Cause Check method Check result Action Target 45.1 Main circuit (1) Ambient temperature Check the ambient It is over 55 °C. Lower the ambient device has exceeded 55 °C.
Page 44
1. TROUBLESHOOTING Alarm No.: 46 Name: Servo motor overheat Alarm content The servo motor overheated. Detail Detail name Cause Check method Check result Action Target 46.2 Abnormal Ambient temperature of Check the ambient It is over 40 °C. Lower the ambient temperature of the linear servo motor or temperature of the…
Page 45
1. TROUBLESHOOTING Alarm No.: 50 Name: Overload 1 Alarm content Load exceeded overload protection characteristic of servo amplifier. Detail Detail name Cause Check method Check result Action Target 50.1 Thermal (1) The servo motor power Check the servo motor It is disconnected. Repair or replace the overload error 1 cable was…
Page 46
1. TROUBLESHOOTING Alarm No.: 50 Name: Overload 1 Alarm content Load exceeded overload protection characteristic of servo amplifier. Detail Detail name Cause Check method Check result Action Target 50.4 Thermal (1) A moving part collided Check if it collided. It collided. Check operation overload error 1 against the machine.
Page 47
1. TROUBLESHOOTING Alarm No.: 51 Name: Overload 2 Alarm content Maximum output current flowed continuously due to machine collision or the like. Detail Detail name Cause Check method Check result Action Target 51.1 Thermal (1) The servo motor power Check the servo motor It is disconnected.
Page 48
1. TROUBLESHOOTING Alarm No.: 52 Name: Error excessive Alarm content Droop pulses have exceeded the alarm occurrence level. Detail Detail name Cause Check method Check result Action Target 52.1 Excess droop (1) The servo motor power Check the servo motor It is disconnected.
Page 49
1. TROUBLESHOOTING Alarm No.: 54 Name: Oscillation detection Alarm content An oscillation of the servo motor was detected. Detail Detail name Cause Check method Check result Action Target 54.1 Oscillation (1) The servo system is Check if the servo The torque ripple is Adjust the servo gain detection error unstable and oscillating.
Page 50
1. TROUBLESHOOTING Alarm No.: 56 Name: Forced stop error Alarm content The servo motor does not decelerate normally during forced stop deceleration. Detail Detail name Cause Check method Check result Action Target 56.3 Estimated The forced stop Increase the It is not repeatable. Adjust the distance over deceleration time…
Page 51
1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurs in the communication between the load-side encoder and the servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.1 Load-side (1) A load-side encoder Check if the load-side It has a failure.
Page 52
1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurs in the communication between the load-side encoder and the servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.3 Load-side An axis not used is not Check the setting of It is not set as…
Page 53
1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurred in the initial communication between the load-side encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.6 Load-side When you use an A/B/Z- Check if the Z-phase It is disconnected or…
Page 54
1. TROUBLESHOOTING Alarm No.: 71 Name: Load-side encoder normal communication error 1 Alarm content An error occurred in the communication between the load-side encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 71.1 Load-side (1) A load-side encoder Check if the load-side It has a failure.
Page 55
1. TROUBLESHOOTING Alarm No.: 72 Name: Load-side encoder normal communication error 2 Alarm content The load-side encoder detected an error signal. Detail Detail name Cause Check method Check result Action Target 72.1 Load-side The encoder detected a Decrease the loop It is not repeatable.
Page 56
1. TROUBLESHOOTING Alarm No.: 74 Name: Option card error 1 MR-J3-T10 came off. Alarm content MR-J3-T10 is not properly recognized. Detail Detail name Cause Check method Check result Action Target 74.2 Option card Check it with the check method for [AL. 74.1]. error 2 74.3 Option card…
Page 57
1. TROUBLESHOOTING Alarm No.: 8A Name: USB communication time-out error/serial communication time-out error Communication between the servo amplifier and a personal computer stopped for the specified time or Alarm content longer. Detail Detail name Cause Check method Check result Action Target 8A.1 Communication…
Page 58
1. TROUBLESHOOTING Alarm No.: 8D Name: CC-Link IE communication error MR-J3-T10 came off. Alarm content An error occurred in CC-Link IE communication. Detail Detail name Cause Check method Check result Action Target 8D.1 CC-Link IE (1) The MR-J3-T10 came Check if [AL. 74 It occurred.
Page 59
1. TROUBLESHOOTING Alarm No.: 8D Name: CC-Link IE communication error Alarm content An error occurred in CC-Link IE communication. Detail Detail name Cause Check method Check result Action Target 8D.7 CC-Link IE The transmission status Check the noise, It has a failure. Take [RJ010] communication…
Page 60
1. TROUBLESHOOTING Alarm No.: 8E Name: USB communication error/serial communication error Alarm content The communication error occurred between servo amplifier and a personal computer. Detail Detail name Cause Check method Check result Action Target 8E.4 (1) The transmitted Check the command The transmitted Correct the communication…
Page 61: Remedies For Warnings

1. TROUBLESHOOTING 1.3 Remedies for warnings If [AL. E3 Absolute position counter warning] occurs, always make home position CAUTION setting again. Otherwise, it may cause an unexpected operation. POINT When any of the following alarms has occurred, do not cycle the power of the servo amplifier repeatedly to restart.
Page 62
1. TROUBLESHOOTING Alarm No.: 93 Name: ABS transfer data warning Alarm content ABS data was not transferred. Detail Detail name Cause Check method Check result Action Target 93.1 ABS data (1) The Z-phase was not Check if the position It is «0». (The Z-phase Turn on the Z-phase transfer turned on at servo-on.
Page 63
1. TROUBLESHOOTING Alarm No.: 96 Name: Home position setting warning Alarm content Home position setting could not be made. Detail Detail name Cause Check method Check result Action Target 96.1 In-position (1) INP (In-position) did not Check the droop It is In-position range Adjust gains to set warning at turn on within the…
Page 64
1. TROUBLESHOOTING Alarm No.: 9D Name: CC-Link IE warning 1 The station No. switch setting was changed after power-on. Alarm content The station No. setting differs from that of master station. Detail Detail name Cause Check method Check result Action Target 9D.1 Station number…
Page 65
1. TROUBLESHOOTING Alarm No.: E0 Name: Excessive regeneration warning There is a possibility that regenerative power may exceed permissible regenerative power of built-in Alarm content regenerative resistor or regenerative option. Detail Detail name Cause Check method Check result Action Target E0.1 Excessive (1) The regenerative power…
Page 66
1. TROUBLESHOOTING Alarm No.: E2 Name: Servo motor overheat warning Alarm content [AL. 46.2 Abnormal temperature of servo motor 2] may occur. Detail Detail name Cause Check method Check result Action Target E2.1 Servo motor (1) The temperature of the Check it with the check method for [AL.
Page 67
1. TROUBLESHOOTING Alarm No.: E6 Name: Servo forced stop warning Alarm content EM2/EM1 (Forced stop) turned off. Detail Detail name Cause Check method Check result Action Target E6.1 Forced stop (1) EM2/EM1 (Forced stop) Check the status of It is off. Ensure safety and warning turned off.
Page 68
1. TROUBLESHOOTING Alarm No.: E9 Name: Main circuit off warning The servo-on command was inputted with main circuit power supply off. Alarm content The bus voltage dropped during the servo motor driving under 50 r/min. Detail Detail name Cause Check method Check result Action Target…
Page 69
1. TROUBLESHOOTING Alarm No.: ED Name: Output watt excess warning The status, in which the output wattage (speed × torque) of the servo motor exceeded the rated output, Alarm content continued steadily. Detail Detail name Cause Check method Check result Action Target ED.1 Output watt…
Page 70: Trouble Which Does Not Trigger Alarm/Warning

1. TROUBLESHOOTING 1.4 Trouble which does not trigger alarm/warning POINT When the servo amplifier, servo motor, or encoder malfunctions, the following status may occur. The following example shows possible causes which do not trigger alarm or warning. Remove each cause referring this section.
Page 71
1. TROUBLESHOOTING Description Possible cause Check result Action Target The display shows «Ab». The axis is disabled. Check if the disabling control Turn off the disabling control axis switch is on. axis switch. [WB] [B]: SW2-2 [WB]: SW2-2 to 2-4 The setting of the axis No.
Page 72
1. TROUBLESHOOTING Description Possible cause Check result Action Target The display shows «b##». Test operation mode has Test operation setting switch Turn off the test operation (Note) been enabled. (SW2-1) is turned on. setting switch (SW2-1). [WB] [RJ010] The system has been in the Check if the servo ready Turn on the servo-on signals ready-off state.
Page 73
1. TROUBLESHOOTING Description Possible cause Check result Action Target The servo motor does not The setting of the torque limit Check if the torque limit is Set it correctly. operate. is incorrect. «0». [WB] [A]: [Pr. PA11] and [Pr. [RJ010] PA12], or analog input [B] [WB] [RJ010]: Setting on controller side…
Page 74
1. TROUBLESHOOTING Description Possible cause Check result Action Target The servo motor does not The axis is disabled. Check if the disabling control Turn off the disabling control operate. axis switch is on. axis switch. [WB] [B]: SW2-2 [WB]: SW2-2 to 4 An error is occurring on the Check if an error is occurring Cancel the error of the servo…
Page 75
1. TROUBLESHOOTING Description Possible cause Check result Action Target An unusual noise is The servo gain is low. Or the Check if the trouble is solved Adjust gains. occurring at the servo motor. response of auto tuning is by increasing auto tuning low.
Page 76
1. TROUBLESHOOTING Description Possible cause Check result Action Target The rotation accuracy is low. The servo gain is low. Or the Check if the trouble is solved Adjust gains. response of auto tuning is by increasing auto tuning (The speed is unstable.) low.
Page 77
1. TROUBLESHOOTING Description Possible cause Check result Action Target Home position deviates at For the dog type home Check if a fixed amount (in Adjust the dog position. home position return. position return, the point one revolution) deviates. which the dog turns off and [WB] the point which Z-phase [RJ010]…
Page 78
1. TROUBLESHOOTING Description Possible cause Check result Action Target The position deviates during SON (Servo-on) turned off Check if SON (Servo-on) is Review the wiring and operation after home position during operation. off during operation using sequence not to turn off SON return.
Page 79
1. TROUBLESHOOTING Description Possible cause Check result Action Target A communication with servo They are off-line status. Check if they are off-line. Set them to on-line. amplifier fails using MR A communication cable is Check if the communication Replace the communication Configurator2.
Page 80: Drive Recorder

2. DRIVE RECORDER 2. DRIVE RECORDER 2.1 How to use drive recorder POINT The drive recorder will not operate on the following conditions. You are using the graph function of MR Configurator2. You are using the machine analyzer function. [Pr. PF21] is set to «1». The controller is not connected (except the test operation mode).
Page 81: Control Process Error

2. DRIVE RECORDER (2) Recordable data by drive recorder When the setting value is «0 0 0 0» (initial value) in [Pr. PA23 Drive recorder arbitrary alarm trigger setting], the drive recorder will record data of standard column in table 2.1 or 2.2 for all alarms. When you set an alarm in table 2.1 or 2.2 to [Pr.
Page 82
2. DRIVE RECORDER Table 2.1 MR-J4-_B_(-RJ), MR-J4-_B-RJ010, or MR-J4W_-_B Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Effective 0.888 speed command pulses…
Page 83
2. DRIVE RECORDER Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Error speed command pulses command voltage excessive AL.52 (100 alarm pulses)
Page 84
2. DRIVE RECORDER Table 2.2 MR-J4-_A_(-RJ) Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Effective 0.888 speed command pulses command voltage load ratio…
Page 85
2. DRIVE RECORDER Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Error speed command pulses command voltage excessive AL.52 (100 alarm pulses)
Page 86
2. DRIVE RECORDER Table 2.3 Signal explanations Signal name Description Unit Motor speed The servo motor speed is displayed. [r/min] Torque The servo motor torque is displayed with current value. [0.1%] The value of torque being occurred is displayed in real time considering a rated torque as 100%.
Page 87
2. DRIVE RECORDER Signal name Description Unit CSON This indicates status of the servo-on signal from the controller. This Indicates the SON status of the external input signal. This indicates status of the emergency stop input. EM2/EM1 This Indicates the EM2/EM1 status of the external input signal. ALM2 This will turn on when an alarm is detected in the servo amplifier.
Page 88: How To Display Drive Recorder Information

2. DRIVE RECORDER 2.2 How to display drive recorder information Select «Diagnosis» and «Drive Recorder» from the menu bar of MR Configurator2. The window shown in the right hand image will be displayed. (a) Click the Waveform-Display button to display the graph preview window which shows data before and after alarm occurrence.
Page 89
2. DRIVE RECORDER MEMO 2 — 10…
Page 90: Appendix

APPENDIX App. 1 Detection points of [AL. 25], [AL. 92], and [AL. 9F] The following diagram shows detection points of [AL. 25 Absolute position erased], [AL. 92 Battery cable disconnection warning], and [AL. 9F Battery warning]. (1) MR-J4-_A or MR-J4-_B Servo amplifier Servo motor encoder [AL.
Page 91
This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual.
Page 92
Mitsubishi Electric Automation Inc. : +1-847-478-2100 500 Corporate Woods Parkway, Vernon Hills, IL 60061, USA : +1-847-478-0327 Germany Mitsubishi Electric Europe B.V. German Branch : +49-2102-486-0 Gothaer Strasse 8, D-40880 Ratingen, Germany : +49-2102-486-1120 Italy Mitsubishi Electric Europe B.V. Italian Branch…
Page 93
Warranty 1. Warranty period and coverage We will repair any failure or defect hereinafter referred to as «failure» in our FA equipment hereinafter referred to as the «Product» arisen during warranty period at no charge due to causes for which we are responsible through the distributor from which you purchased the Product or our service provider.
Page 94
MR-J4 INSTRUCTIONMANUAL MODEL (TROUBLESHOOTING) MODEL 1CW808 CODE HEAD OFFICE : TOKYO BLDG MARUNOUCHI TOKYO 100-8310 This Instruction Manual uses recycled paper. SH (NA) 030109-D (1308) MEE Printed in Japan Specifications are subject to change without notice.

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Contents
Table of Contents
Troubleshooting
Bookmarks

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General-Purpose AC Servo

MELSERVO-J4 Servo amplifier

INSTRUCTION MANUAL TROUBLE SHOOTING

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Summary of Contents for Mitsubishi Electric MELSERVO-J4

Page 1
General-Purpose AC Servo MELSERVO-J4 Servo amplifier INSTRUCTION MANUAL TROUBLE SHOOTING…
Page 2: Safety Instructions

Safety Instructions Please read the instructions carefully before using the equipment. To use the equipment correctly, do not attempt to install, operate, maintain, or inspect the equipment until you have read through this Instruction Manual, Installation guide, and appended documents carefully. Do not use the equipment until you have a full knowledge of the equipment, safety information and instructions.
Page 3
1. To prevent electric shock, note the following WARNING Before wiring or inspection, turn off the power and wait for 15 minutes or more until the charge lamp turns off. Then, confirm that the voltage between P+ and N- is safe with a voltage tester and others. Otherwise, an electric shock may occur.
Page 4
(2) Usage CAUTION Before resetting an alarm, make sure that the run signal of the servo amplifier is off in order to prevent a sudden restart. Otherwise, it may cause an accident. Use the servo amplifier with the specified servo motor. (3) Corrective actions CAUTION When it is assumed that a hazardous condition may occur due to a power failure or product malfunction,…
Page 5
MEMO A — 4…
Page 6: Table Of Contents

CONTENTS 1. TROUBLESHOOTING 1- 1 to 1-72 1.1 Alarm and warning list ……………………1- 1 1.2 Remedies for alarms……………………. 1- 6 1.3 Remedies for warnings ……………………1-54 1.4 Trouble which does not trigger alarm/warning …………….1-63 2. DRIVE RECORDER 2- 1 to 2-10 2.1 How to use drive recorder…………………….
Page 7
MEMO…
Page 8: Troubleshooting

1. TROUBLESHOOTING 1. TROUBLESHOOTING 1.1 Alarm and warning list When an error occurs during operation, the corresponding alarm or warning is displayed. If any alarm or warning has occurred, refer to section 1.2 and take the appropriate action. When an alarm occurs, ALM (Malfunction) will turn off.
Page 9
1. TROUBLESHOOTING Name Detail No. Detail name Encoder initial communication 1F.1 Incompatible encoder error 3 1F.2 Incompatible load-side encoder Encoder normal communication 20.1 Encoder normal communication — Receive data error 1 error 1 20.2 Encoder normal communication — Receive data error 2 20.3 Encoder normal communication — Receive data error 3 20.5…
Page 10
1. TROUBLESHOOTING Name Detail No. Detail name Inrush current suppression circuit 3A.1 Inrush current suppression circuit error error Parameter setting error for driver 3D.1 Parameter combination error for driver communication on slave communication 3D.2 Parameter combination error for driver communication on master Operation mode error 3E.1 Operation mode error…
Page 11
1. TROUBLESHOOTING Name Detail No. Detail name Load-side encoder normal 71.1 Load-side encoder communication — Receive data error 1 communication error 1 71.2 Load-side encoder communication — Receive data error 2 71.3 Load-side encoder communication — Receive data error 3 71.5 Load-side encoder communication — Transmission data error 1 71.6…
Page 12
1. TROUBLESHOOTING Name Detail No. Detail name Servo amplifier overheat warning 91.1 Main circuit device overheat warning Battery cable disconnection 92.1 Encoder battery cable disconnection warning warning 92.3 Battery degradation ABS data transfer warning 93.1 ABS data transfer requirement warning during magnetic pole detection STO warning 95.1 STO1 off detection…
Page 13: Remedies For Alarms

1. TROUBLESHOOTING 1.2 Remedies for alarms When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before restarting operation. Otherwise, it may cause injury. If [AL. 25 Absolute position erased] occurs, always make home position setting CAUTION again.
Page 14
1. TROUBLESHOOTING Alarm No.: 10 Name: Undervoltage The voltage of the control circuit power supply has dropped. Alarm content The voltage of the main circuit power supply has dropped. Detail Detail name Cause Check method Check result Action Target 10.1 Voltage drop in The connection of the Check the control…
Page 15: Ram Error

1. TROUBLESHOOTING Alarm No.: 11 Name: Switch setting error The setting of the axis selection rotary switch or auxiliary axis number setting switch is incorrect. Alarm content The setting of the disabling control axis switch is incorrect. Detail Detail name Cause Check method Check result…
Page 16: Clock Error

1. TROUBLESHOOTING Alarm No.: 13 Name: Clock error [RJ010]: MR-J3-T10 came off. Alarm content A part in the servo amplifier is failure. A clock error transmitted from the controller occurred. Detail Detail name Cause Check method Check result Action Target 13.1 Clock error 1 (1) The MR-J3-T10 came…
Page 17: Control Process Error

1. TROUBLESHOOTING Alarm No.: 14 Name: Control process error [RJ010]: MR-J3-T10 came off. Alarm content The process did not complete within the specified time. Detail Detail name Cause Check method Check result Action Target 14.2 Control process (1) The MR-J3-T10 came Check if [AL.
Page 18
1. TROUBLESHOOTING Alarm No.: 15 Name: Memory error 2 (EEP-ROM) [RJ010]: MR-J3-T10 came off. Alarm content A part (EEP-ROM) in the servo amplifier is failure. Detail Detail name Cause Check method Check result Action Target 15.1 EEP-ROM error EEP-ROM is Disconnect the cables It is repeatable.
Page 19
1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.1 Encoder initial (1) An encoder cable is Check if the encoder It has a failure.
Page 20
1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.3 Encoder initial An axis not used is not Check the setting of It is not set as Set it as disabled-…
Page 21
1. TROUBLESHOOTING Alarm No.: 16 Name: Encoder initial communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 16.A Encoder initial (1) The servo amplifier is Replace the servo It is not repeatable.
Page 22
1. TROUBLESHOOTING Alarm No.: 17 Name: Board error Alarm content A part in the servo amplifier is malfunctioning. Detail Detail name Cause Check method Check result Action Target 17.6 Board error 5 The setting value of the Disconnect the cables It is repeatable.
Page 23
1. TROUBLESHOOTING Alarm No.: 1E Name: Encoder initial communication error 2 Alarm content An encoder is malfunctioning. Detail Detail name Cause Check method Check result Action Target 1E.1 Encoder (1) An encoder is Replace the servo It is not repeatable. Replace the servo malfunction malfunctioning.
Page 24
1. TROUBLESHOOTING Alarm No.: 20 Name: Encoder normal communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 20.1 Encoder normal (1) An encoder cable is Check if the encoder It has a failure.
Page 25
1. TROUBLESHOOTING Alarm No.: 20 Name: Encoder normal communication error 1 Alarm content Communication error occurred between encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 20.7 Encoder normal Check it with the check method for [AL. 20.1]. communication — Transmission data error 3…
Page 26
1. TROUBLESHOOTING Alarm No.: 24 Name: Main circuit error A ground fault occurred on the servo motor power lines. Alarm content A ground fault occurred at the servo motor. Detail Detail name Cause Check method Check result Action Target 24.1 Ground fault (1) The servo amplifier is Disconnect the servo…
Page 27
1. TROUBLESHOOTING Alarm No.: 25 Name: Absolute position erased The absolute position data is faulty. The power was switched on for the first time in the absolute position detection system. Alarm content After the scale measurement encoder was set to the absolute position detection system, the power was switched on for the first time.
Page 28
1. TROUBLESHOOTING Alarm No.: 25 Name: Absolute position erased The absolute position data is faulty. The power was switched on for the first time in the absolute position detection system. Alarm content After the scale measurement encoder was set to the absolute position detection system, the power was switched on for the first time.
Page 29
1. TROUBLESHOOTING Alarm No.: 27 Name: Initial magnetic pole detection error Alarm content The initial magnetic pole detection was not completed properly. Detail Detail name Cause Check method Check result Action Target 27.1 Magnetic pole (1) A moving part collided Check if it collided.
Page 30
1. TROUBLESHOOTING Alarm No.: 28 Name: Linear encoder error 2 Alarm content Working environment of linear encoder is not normal. Detail Detail name Cause Check method Check result Action Target 28.1 Linear encoder (1) The ambient Check the ambient It is out of Lower the — Environment temperature of the…
Page 31
1. TROUBLESHOOTING Alarm No.: 2B Name: Encoder counter error Alarm content Data which encoder created is failure. Detail Detail name Cause Check method Check result Action Target 2B.1 Encoder (1) An encoder cable is Check if the encoder It has a failure. Repair or replace the counter error 1 malfunctioning.
Page 32
1. TROUBLESHOOTING Alarm No.: 31 Name: Overspeed The servo motor seed has exceeded the permissible instantaneous speed. Alarm content The linear servo motor seed has exceeded the permissible instantaneous speed. Detail Detail name Cause Check method Check result Action Target 31.1 Abnormal motor (1) The command pulse…
Page 33
1. TROUBLESHOOTING Alarm No.: 32 Name: Overcurrent Alarm content Current that flew is higher than the permissible current of the servo amplifier. Detail Detail name Cause Check method Check result Action Target 32.1 Overcurrent (1) The servo amplifier is Disconnect the servo It occurs.
Page 34
1. TROUBLESHOOTING Alarm No.: 32 Name: Overcurrent Alarm content Current that flew is higher than the permissible current of the servo amplifier. Detail Detail name Cause Check method Check result Action Target 32.3 Overcurrent Check it with the check method for [AL. 32.1]. detected at hardware detection circuit…
Page 35
1. TROUBLESHOOTING Alarm No.: 34 Name: SSCNET receive error 1 Alarm content An error occurred in SSCNET III/H communication. (continuous communication error with 3.5 ms interval) Detail Detail name Cause Check method Check result Action Target 34.1 SSCNET (1) The SSCNET III cable is Check the SSCNET III It is disconnected.
Page 36
1. TROUBLESHOOTING Alarm No.: 35 Name: Command frequency error Alarm content Input pulse frequency of command pulse is too high. Detail Detail name Cause Check method Check result Action Target 35.1 Command (1) The command pulse Check the command The command pulse Check operation frequency error frequency is high.
Page 37
1. TROUBLESHOOTING Alarm No.: 36 Name: SSCNET receive error 2 An error occurred in SSCNET III/H communication. (intermittent communication error with about 70 ms Alarm content interval) Detail Detail name Cause Check method Check result Action Target 36.1 Continuous (1) The SSCNET III cable is Check the SSCNET III It is disconnected.
Page 38
1. TROUBLESHOOTING Alarm No.: 37 Name: Parameter error Alarm content Parameter setting is incorrect. Detail Detail name Cause Check method Check result Action Target 37.1 Parameter (1) A parameter was set Check if the software It is not supported. Replace with the setting range for a function not version of the servo…
Page 39
1. TROUBLESHOOTING Alarm No.: 3A Name: Inrush current suppression circuit error Alarm content The inrush current suppression circuit error was detected. Detail Detail name Cause Check method Check result Action Target 3A.1 Inrush current (1) Inrush current Replace the servo It is not repeatable.
Page 40
1. TROUBLESHOOTING Alarm No.: 42 Name: Servo control error Alarm content A servo control error occurred. Detail Detail name Cause Check method Check result Action Target 42.1 Servo control The linear encoder Check the setting of The setting is Set it correctly. error by resolution setting differs [Pr.
Page 41
1. TROUBLESHOOTING Alarm No.: 42 Name: Servo control error Alarm content A servo control error occurred. Detail Detail name Cause Check method Check result Action Target 42.2 Servo control The linear encoder Check the setting of The setting is Set it correctly. error by speed resolution setting differs [Pr.
Page 42
1. TROUBLESHOOTING Alarm No.: 42 Name: Fully closed loop control error detection (during fully closed loop control) Alarm content A fully closed loop control error has occurred. Detail Detail name Cause Check method Check result Action Target 42.8 Fully closed The resolution of the Check the setting of The setting is…
Page 43
1. TROUBLESHOOTING Alarm No.: 45 Name: Main circuit device overheat Alarm content Inside of the servo amplifier overheated. Detail Detail name Cause Check method Check result Action Target 45.1 Main circuit (1) Ambient temperature Check the ambient It is over 55 °C. Lower the ambient device has exceeded 55 °C.
Page 44
1. TROUBLESHOOTING Alarm No.: 46 Name: Servo motor overheat Alarm content The servo motor overheated. Detail Detail name Cause Check method Check result Action Target 46.2 Abnormal Ambient temperature of Check the ambient It is over 40 °C. Lower the ambient temperature of the linear servo motor or temperature of the…
Page 45
1. TROUBLESHOOTING Alarm No.: 50 Name: Overload 1 Alarm content Load exceeded overload protection characteristic of servo amplifier. Detail Detail name Cause Check method Check result Action Target 50.1 Thermal (1) The servo motor power Check the servo motor It is disconnected. Repair or replace the overload error 1 cable was…
Page 46
1. TROUBLESHOOTING Alarm No.: 50 Name: Overload 1 Alarm content Load exceeded overload protection characteristic of servo amplifier. Detail Detail name Cause Check method Check result Action Target 50.4 Thermal (1) A moving part collided Check if it collided. It collided. Check operation overload error 1 against the machine.
Page 47
1. TROUBLESHOOTING Alarm No.: 51 Name: Overload 2 Alarm content Maximum output current flowed continuously due to machine collision or the like. Detail Detail name Cause Check method Check result Action Target 51.1 Thermal (1) The servo motor power Check the servo motor It is disconnected.
Page 48
1. TROUBLESHOOTING Alarm No.: 52 Name: Error excessive Alarm content Droop pulses have exceeded the alarm occurrence level. Detail Detail name Cause Check method Check result Action Target 52.1 Excess droop (1) The servo motor power Check the servo motor It is disconnected.
Page 49
1. TROUBLESHOOTING Alarm No.: 54 Name: Oscillation detection Alarm content An oscillation of the servo motor was detected. Detail Detail name Cause Check method Check result Action Target 54.1 Oscillation (1) The servo system is Check if the servo The torque ripple is Adjust the servo gain detection error unstable and oscillating.
Page 50
1. TROUBLESHOOTING Alarm No.: 56 Name: Forced stop error Alarm content The servo motor does not decelerate normally during forced stop deceleration. Detail Detail name Cause Check method Check result Action Target 56.3 Estimated The forced stop Increase the It is not repeatable. Adjust the distance over deceleration time…
Page 51
1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurs in the communication between the load-side encoder and the servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.1 Load-side (1) A load-side encoder Check if the load-side It has a failure.
Page 52
1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurs in the communication between the load-side encoder and the servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.3 Load-side An axis not used is not Check the setting of It is not set as…
Page 53
1. TROUBLESHOOTING Alarm No.: 70 Name: Load-side encoder initial communication error 1 Alarm content An error occurred in the initial communication between the load-side encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 70.6 Load-side When you use an A/B/Z- Check if the Z-phase It is disconnected or…
Page 54
1. TROUBLESHOOTING Alarm No.: 71 Name: Load-side encoder normal communication error 1 Alarm content An error occurred in the communication between the load-side encoder and servo amplifier. Detail Detail name Cause Check method Check result Action Target 71.1 Load-side (1) A load-side encoder Check if the load-side It has a failure.
Page 55
1. TROUBLESHOOTING Alarm No.: 72 Name: Load-side encoder normal communication error 2 Alarm content The load-side encoder detected an error signal. Detail Detail name Cause Check method Check result Action Target 72.1 Load-side The encoder detected a Decrease the loop It is not repeatable.
Page 56
1. TROUBLESHOOTING Alarm No.: 74 Name: Option card error 1 MR-J3-T10 came off. Alarm content MR-J3-T10 is not properly recognized. Detail Detail name Cause Check method Check result Action Target 74.2 Option card Check it with the check method for [AL. 74.1]. error 2 74.3 Option card…
Page 57
1. TROUBLESHOOTING Alarm No.: 8A Name: USB communication time-out error/serial communication time-out error Communication between the servo amplifier and a personal computer stopped for the specified time or Alarm content longer. Detail Detail name Cause Check method Check result Action Target 8A.1 Communication…
Page 58
1. TROUBLESHOOTING Alarm No.: 8D Name: CC-Link IE communication error MR-J3-T10 came off. Alarm content An error occurred in CC-Link IE communication. Detail Detail name Cause Check method Check result Action Target 8D.1 CC-Link IE (1) The MR-J3-T10 came Check if [AL. 74 It occurred.
Page 59
1. TROUBLESHOOTING Alarm No.: 8D Name: CC-Link IE communication error Alarm content An error occurred in CC-Link IE communication. Detail Detail name Cause Check method Check result Action Target 8D.7 CC-Link IE The transmission status Check the noise, It has a failure. Take [RJ010] communication…
Page 60
1. TROUBLESHOOTING Alarm No.: 8E Name: USB communication error/serial communication error Alarm content The communication error occurred between servo amplifier and a personal computer. Detail Detail name Cause Check method Check result Action Target 8E.4 (1) The transmitted Check the command The transmitted Correct the communication…
Page 61: Remedies For Warnings

1. TROUBLESHOOTING 1.3 Remedies for warnings If [AL. E3 Absolute position counter warning] occurs, always make home position CAUTION setting again. Otherwise, it may cause an unexpected operation. POINT When any of the following alarms has occurred, do not cycle the power of the servo amplifier repeatedly to restart.
Page 62
1. TROUBLESHOOTING Alarm No.: 93 Name: ABS transfer data warning Alarm content ABS data was not transferred. Detail Detail name Cause Check method Check result Action Target 93.1 ABS data (1) The Z-phase was not Check if the position It is «0». (The Z-phase Turn on the Z-phase transfer turned on at servo-on.
Page 63
1. TROUBLESHOOTING Alarm No.: 96 Name: Home position setting warning Alarm content Home position setting could not be made. Detail Detail name Cause Check method Check result Action Target 96.1 In-position (1) INP (In-position) did not Check the droop It is In-position range Adjust gains to set warning at turn on within the…
Page 64
1. TROUBLESHOOTING Alarm No.: 9D Name: CC-Link IE warning 1 The station No. switch setting was changed after power-on. Alarm content The station No. setting differs from that of master station. Detail Detail name Cause Check method Check result Action Target 9D.1 Station number…
Page 65
1. TROUBLESHOOTING Alarm No.: E0 Name: Excessive regeneration warning There is a possibility that regenerative power may exceed permissible regenerative power of built-in Alarm content regenerative resistor or regenerative option. Detail Detail name Cause Check method Check result Action Target E0.1 Excessive (1) The regenerative power…
Page 66
1. TROUBLESHOOTING Alarm No.: E2 Name: Servo motor overheat warning Alarm content [AL. 46.2 Abnormal temperature of servo motor 2] may occur. Detail Detail name Cause Check method Check result Action Target E2.1 Servo motor (1) The temperature of the Check it with the check method for [AL.
Page 67
1. TROUBLESHOOTING Alarm No.: E6 Name: Servo forced stop warning Alarm content EM2/EM1 (Forced stop) turned off. Detail Detail name Cause Check method Check result Action Target E6.1 Forced stop (1) EM2/EM1 (Forced stop) Check the status of It is off. Ensure safety and warning turned off.
Page 68
1. TROUBLESHOOTING Alarm No.: E9 Name: Main circuit off warning The servo-on command was inputted with main circuit power supply off. Alarm content The bus voltage dropped during the servo motor driving under 50 r/min. Detail Detail name Cause Check method Check result Action Target…
Page 69
1. TROUBLESHOOTING Alarm No.: ED Name: Output watt excess warning The status, in which the output wattage (speed × torque) of the servo motor exceeded the rated output, Alarm content continued steadily. Detail Detail name Cause Check method Check result Action Target ED.1 Output watt…
Page 70: Trouble Which Does Not Trigger Alarm/Warning

1. TROUBLESHOOTING 1.4 Trouble which does not trigger alarm/warning POINT When the servo amplifier, servo motor, or encoder malfunctions, the following status may occur. The following example shows possible causes which do not trigger alarm or warning. Remove each cause referring this section.
Page 71
1. TROUBLESHOOTING Description Possible cause Check result Action Target The display shows «Ab». The axis is disabled. Check if the disabling control Turn off the disabling control axis switch is on. axis switch. [WB] [B]: SW2-2 [WB]: SW2-2 to 2-4 The setting of the axis No.
Page 72
1. TROUBLESHOOTING Description Possible cause Check result Action Target The display shows «b##». Test operation mode has Test operation setting switch Turn off the test operation (Note) been enabled. (SW2-1) is turned on. setting switch (SW2-1). [WB] [RJ010] The system has been in the Check if the servo ready Turn on the servo-on signals ready-off state.
Page 73
1. TROUBLESHOOTING Description Possible cause Check result Action Target The servo motor does not The setting of the torque limit Check if the torque limit is Set it correctly. operate. is incorrect. «0». [WB] [A]: [Pr. PA11] and [Pr. [RJ010] PA12], or analog input [B] [WB] [RJ010]: Setting on controller side…
Page 74
1. TROUBLESHOOTING Description Possible cause Check result Action Target The servo motor does not The axis is disabled. Check if the disabling control Turn off the disabling control operate. axis switch is on. axis switch. [WB] [B]: SW2-2 [WB]: SW2-2 to 4 An error is occurring on the Check if an error is occurring Cancel the error of the servo…
Page 75
1. TROUBLESHOOTING Description Possible cause Check result Action Target An unusual noise is The servo gain is low. Or the Check if the trouble is solved Adjust gains. occurring at the servo motor. response of auto tuning is by increasing auto tuning low.
Page 76
1. TROUBLESHOOTING Description Possible cause Check result Action Target The rotation accuracy is low. The servo gain is low. Or the Check if the trouble is solved Adjust gains. response of auto tuning is by increasing auto tuning (The speed is unstable.) low.
Page 77
1. TROUBLESHOOTING Description Possible cause Check result Action Target Home position deviates at For the dog type home Check if a fixed amount (in Adjust the dog position. home position return. position return, the point one revolution) deviates. which the dog turns off and [WB] the point which Z-phase [RJ010]…
Page 78
1. TROUBLESHOOTING Description Possible cause Check result Action Target The position deviates during SON (Servo-on) turned off Check if SON (Servo-on) is Review the wiring and operation after home position during operation. off during operation using sequence not to turn off SON return.
Page 79
1. TROUBLESHOOTING Description Possible cause Check result Action Target A communication with servo They are off-line status. Check if they are off-line. Set them to on-line. amplifier fails using MR A communication cable is Check if the communication Replace the communication Configurator2.
Page 80: Drive Recorder

2. DRIVE RECORDER 2. DRIVE RECORDER 2.1 How to use drive recorder POINT The drive recorder will not operate on the following conditions. You are using the graph function of MR Configurator2. You are using the machine analyzer function. [Pr. PF21] is set to «1». The controller is not connected (except the test operation mode).
Page 81: Control Process Error

2. DRIVE RECORDER (2) Recordable data by drive recorder When the setting value is «0 0 0 0» (initial value) in [Pr. PA23 Drive recorder arbitrary alarm trigger setting], the drive recorder will record data of standard column in table 2.1 or 2.2 for all alarms. When you set an alarm in table 2.1 or 2.2 to [Pr.
Page 82
2. DRIVE RECORDER Table 2.1 MR-J4-_B_(-RJ), MR-J4-_B-RJ010, or MR-J4W_-_B Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Effective 0.888 speed command pulses…
Page 83
2. DRIVE RECORDER Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Error speed command pulses command voltage excessive AL.52 (100 alarm pulses)
Page 84
2. DRIVE RECORDER Table 2.2 MR-J4-_A_(-RJ) Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Effective 0.888 speed command pulses command voltage load ratio…
Page 85
2. DRIVE RECORDER Measure- Sampling Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 ment time time [ms] [ms] Analog Motor Torque Current Droop Speed Error speed command pulses command voltage excessive AL.52 (100 alarm pulses)
Page 86
2. DRIVE RECORDER Table 2.3 Signal explanations Signal name Description Unit Motor speed The servo motor speed is displayed. [r/min] Torque The servo motor torque is displayed with current value. [0.1%] The value of torque being occurred is displayed in real time considering a rated torque as 100%.
Page 87
2. DRIVE RECORDER Signal name Description Unit CSON This indicates status of the servo-on signal from the controller. This Indicates the SON status of the external input signal. This indicates status of the emergency stop input. EM2/EM1 This Indicates the EM2/EM1 status of the external input signal. ALM2 This will turn on when an alarm is detected in the servo amplifier.
Page 88: How To Display Drive Recorder Information

2. DRIVE RECORDER 2.2 How to display drive recorder information Select «Diagnosis» and «Drive Recorder» from the menu bar of MR Configurator2. The window shown in the right hand image will be displayed. (a) Click the Waveform-Display button to display the graph preview window which shows data before and after alarm occurrence.
Page 89
2. DRIVE RECORDER MEMO 2 — 10…
Page 90: Appendix

APPENDIX App. 1 Detection points of [AL. 25], [AL. 92], and [AL. 9F] The following diagram shows detection points of [AL. 25 Absolute position erased], [AL. 92 Battery cable disconnection warning], and [AL. 9F Battery warning]. (1) MR-J4-_A or MR-J4-_B Servo amplifier Servo motor encoder [AL.
Page 91
This manual confers no industrial property rights or any rights of any other kind, nor does it confer any patent licenses. Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual.
Page 92
Mitsubishi Electric Automation Inc. : +1-847-478-2100 500 Corporate Woods Parkway, Vernon Hills, IL 60061, USA : +1-847-478-0327 Germany Mitsubishi Electric Europe B.V. German Branch : +49-2102-486-0 Gothaer Strasse 8, D-40880 Ratingen, Germany : +49-2102-486-1120 Italy Mitsubishi Electric Europe B.V. Italian Branch…
Page 93
Warranty 1. Warranty period and coverage We will repair any failure or defect hereinafter referred to as «failure» in our FA equipment hereinafter referred to as the «Product» arisen during warranty period at no charge due to causes for which we are responsible through the distributor from which you purchased the Product or our service provider.
Page 94
MR-J4 INSTRUCTIONMANUAL MODEL (TROUBLESHOOTING) MODEL 1CW808 CODE HEAD OFFICE : TOKYO BLDG MARUNOUCHI TOKYO 100-8310 This Instruction Manual uses recycled paper. SH (NA) 030109-D (1308) MEE Printed in Japan Specifications are subject to change without notice.

This manual is also suitable for:

Melservo-j4

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General-Purpose AC Servo

MELSERVO-J4 Servo amplifier

INSTRUCTION MANUAL TROUBLE SHOOTING

Safety Instructions

Please read the instructions carefully before using the equipment.

To use the equipment correctly, do not attempt to install, operate, maintain, or inspect the equipment until you have read through this Instruction Manual, Installation guide, and appended documents carefully. Do not use the equipment until you have a full knowledge of the equipment, safety information and instructions.

In this Instruction Manual, the safety instruction levels are classified into «WARNING» and «CAUTION».

Indicates that incorrect handling may cause hazardous conditions, resulting in death or severe injury.

Indicates that incorrect handling may cause hazardous conditions, resulting in medium or slight injury to personnel or may cause physical damage.

Note that the CAUTION level may lead to a serious consequence according to conditions. Please follow the instructions of both levels because they are important to personnel safety.

What must not be done and what must be done are indicated by the following diagrammatic symbols.

Indicates what must not be done. For example, «No Fire» is indicated by .

Indicates what must be done. For example, grounding is indicated by.

In this Instruction Manual, instructions at a lower level than the above, instructions for other functions, and so on are classified into «POINT».

After reading this Instruction Manual, keep it accessible to the operator.

A — 1

1. To prevent electric shock, note the following

WARNING

Before wiring or inspection, turn off the power and wait for 15 minutes or more until the charge lamp turns off. Then, confirm that the voltage between P+ and N- is safe with a voltage tester and others. Otherwise, an electric shock may occur. In addition, when confirming whether the charge lamp is off or not, always confirm it from the front of the servo amplifier.

Do not operate switches with wet hands. Otherwise, it may cause an electric shock.

2. To prevent fire, note the following

CAUTION

When you use a MR-J4 multi-axis servo amplifier, connecting an encoder for different axis to the CN2A, CN2B, or CN2C connector may cause a fire.

3. To prevent injury, note the following

CAUTION

The servo amplifier heat sink, regenerative resistor, servo motor, etc. may be hot while power is on or for some time after power-off. Take safety measures, e.g. provide covers, to prevent accidental contact of hands and parts (cables, etc.) with them.

4. Additional instructions

The following instructions should also be fully noted. Incorrect handling may cause a malfunction, injury, electric shock, etc.

(1) Wiring

CAUTION

Wire the equipment correctly and securely. Otherwise, the servo motor may operate unexpectedly.

To avoid a malfunction, connect the wires to the correct phase terminals (U, V, and W) of the servo amplifier and servo motor.

Connect the servo amplifier power output (U, V, and W) to the servo motor power input (U, V, and W) directly. Do not let a magnetic contactor, etc. intervene. Otherwise, it may cause a malfunction.

Servo amplifier	U	Servo motor	Servo amplifier	U	Servo motor
U		U

V	V	M	V	V	M

W	W		W	W

A — 2

(2) Usage

CAUTION

Before resetting an alarm, make sure that the run signal of the servo amplifier is off in order to prevent a sudden restart. Otherwise, it may cause an accident.

Use the servo amplifier with the specified servo motor.

(3) Corrective actions

CAUTION

When it is assumed that a hazardous condition may occur due to a power failure or product malfunction, use a servo motor with an electromagnetic brake or external brake to prevent the condition.

Configure an electromagnetic brake circuit so that it is activated also by an external EMG stop switch.

Contacts must be opened when CALM (Common	Contacts must be opened
malfunction) or MBR (Electromagnetic brake	with the EMG stop switch.
interlock) turns off.

Servo motor

Electromagnetic brake

When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before restarting operation.

Provide an adequate protection to prevent unexpected restart after an instantaneous power failure.

<<About the manual>>

This Instruction Manual covers the following models.

MR-J4-_A

MR-J4-_B

MR-J4W_-_B

The symbols in the target column mean as follows.

MR-J4-_A: [A]

MR-J4-_B: [B]

MR-J4W_-_B: [WB]

A — 3

MEMO

A — 4

	CONTENTS

1. TROUBLESHOOTING	1- 1 to 1-54
1.1	Alarm and warning list…………………………………………………………………………………………………………	1- 1
1.2	Remedies for alarms…………………………………………………………………………………………………………..	1- 5
1.3	Remedies for warnings ………………………………………………………………………………………………………	1-44

APPENDIX	App.- 1 to App.- 1
App. 1 Detection points of [AL. 25], [AL. 92], and [AL. 9F] ………………………………………………………..	App.- 1

1

MEMO

2

1. TROUBLESHOOTING

1. TROUBLESHOOTING

1.1 Alarm and warning list

When an error occurs during operation, the corresponding alarm or warning is displayed. If any alarm or warning has occurred, refer to section 1.2 and take the appropriate action. When an alarm occurs, ALM (Malfunction) will turn off.

Alarm

No.		Name	Detail	Detail name
	display

10	Undervoltage		10.1	Voltage drop in the control power
				10.2	Voltage drop in the main circuit power
11	Switch setting error		11.1	Axis number setting error
				11.2	Disabling control axis setting error
12	Memory error 1 (RAM)	12.1	RAM error 1
				12.2	RAM error 2
				12.3	RAM error 3
				12.4	RAM error 4
				12.5	RAM error 5
13	Clock error			13.1	Clock error 1
				13.2	Clock error 2
14	Control process error	14.1	Control process error 1
				14.2	Control process error 2
				14.3	Control process error 3
				14.4	Control process error 4
				14.5	Control process error 5
				14.6	Control process error 6
				14.7	Control process error 7
				14.8	Control process error 8
				14.9	Control process error 9
				14.A	Control process error 10
15	Memory error 2 (EEP-ROM)	15.1	EEP-ROM error at power on
				15.2	EEP-ROM error during operation
16	Encoder	initial	communication	16.1	Encoder initial communication — Receive data error 1
	error 1			16.2	Encoder initial communication — Receive data error 2
				16.3	Encoder initial communication — Receive data error 3
				16.5	Encoder initial communication — Transmission data error 1
				16.6	Encoder initial communication — Transmission data error 2
				16.7	Encoder initial communication — Transmission data error 3
				16.A	Encoder initial communication — Process error 1
				16.B	Encoder initial communication — Process error 2
				16.C	Encoder initial communication — Process error 3
				16.D	Encoder initial communication — Process error 4
				16.E	Encoder initial communication — Process error 5
				16.F	Encoder initial communication — Process error 6
17	Board error			17.1	Board error 1
				17.3	Board error 2
				17.4	Board error 3
				17.5	Board error 4
				17.6	Board error 5
19	Memory error 3 (Flash-ROM)	19.1	Flash-ROM error 1
				19.2	Flash-ROM error 2
1A	Servo motor combination error	1A.1	Servo motor combination error
				1A.2	Servo motor control mode combination error
1E	Encoder	initial	communication	1E.1	Encoder malfunction
	error 2
1F	Encoder	initial	communication	1F.1	Incompatible encoder
	error 3

1 — 1

1. TROUBLESHOOTING

Alarm

No.			Name	Detail	Detail name
		display

20	Encoder	normal	communication	20.1	Encoder normal communication — Receive data error 1
	error 1				20.2	Encoder normal communication — Receive data error 2
					20.3	Encoder normal communication — Receive data error 3
					20.5	Encoder normal communication — Transmission data error 1
					20.6	Encoder normal communication — Transmission data error 2
					20.7	Encoder normal communication — Transmission data error 3
					20.9	Encoder normal communication — Receive data error 4
					20.A	Encoder normal communication — Receive data error 5
21	Encoder	normal	communication	21.1	Encoder data error 1
	error 2				21.2	Encoder data update error
					21.3	Encoder data waveform error
					21.4	Encoder non-signal error
					21.5	Encoder hardware error 1
					21.6	Encoder hardware error 2
					21.9	Encoder data error 2
24	Main circuit error		24.1	Ground fault detected by hardware detection circuit
					24.2	Ground fault detected by software detection function
25	Absolute position erased	25.1	Servo motor encoder — Absolute position erased
27	Initial	magnetic	pole detection	27.1	Magnetic pole detection — Abnormal termination
	error				27.2	Magnetic pole detection — Time out error
					27.3	Magnetic pole detection — Limit switch error
					27.4	Magnetic pole detection — Estimated error
					27.5	Magnetic pole detection — Position deviation error
					27.6	Magnetic pole detection — Speed deviation error
					27.7	Magnetic pole detection — Current error
28	Linear encoder error 2	28.1	Linear encoder — Environment error
2A	Linear encoder error 1	2A.1	Linear encoder error 1-1
					2A.2	Linear encoder error 1-2
					2A.3	Linear encoder error 1-3
					2A.4	Linear encoder error 1-4
					2A.5	Linear encoder error 1-5
					2A.6	Linear encoder error 1-6
					2A.7	Linear encoder error 1-7
					2A.8	Linear encoder error 1-8
2B	Encoder counter error	2B.1	Encoder counter error 1
					2B.2	Encoder counter error 2
30	Regenerative error		30.1	Regeneration heat error
					30.2	Regeneration signal error
					30.3	Regeneration feedback signal error
31	Overspeed		31.1	Abnormal motor speed
32	Overcurrent		32.1	Overcurrent detected at hardware detection circuit (during operation)
					32.2	Overcurrent detected at software detection function (during operation)
					32.3	Overcurrent detected at hardware detection circuit (during a stop)
					32.4	Overcurrent detected at software detection function (during a stop)
33	Overvoltage		33.1	Main circuit voltage error
34	SSCNET receive error 1	34.1	SSCNET receive data error
					34.2	SSCNET connector connection error
					34.3	SSCNET communication data error
					34.4	Hardware error signal detection
35	Command frequency error	35.1	Command frequency error
36	SSCNET receive error 2	36.1	Continuous communication data error
37	Parameter error		37.1	Parameter setting range error
					37.2	Parameter combination error
3A	Inrush	current suppression circuit	3A.1	Inrush current suppression circuit error
	error
3E	Operation mode error	3E.1	Operation mode error

1 — 2

1. TROUBLESHOOTING

Alarm

	No.	Name	Detail	Detail name
	display

	42	Servo control error	42.1	Servo control error by position deviation
			42.2	Servo control error by speed deviation
			42.3	Servo control error by torque/thrust deviation
	45	Main circuit device overheat	45.1	Main circuit device overheat error
	46	Servo motor overheat	46.1	Abnormal temperature of servo motor 1
			46.2	Abnormal temperature of servo motor 2
			46.3	Thermistor disconnected
			46.5	Abnormal temperature of servo motor 3
			46.6	Abnormal temperature of servo motor 4
	47	Cooling fan error	47.1	Cooling fan stop error
			47.2	Cooling fan speed reduction error
	50	Overload 1	50.1	Thermal overload error 1 during operation
			50.2	Thermal overload error 2 during operation
			50.3	Thermal overload error 4 during operation
			50.4	Thermal overload error 1 during a stop
			50.5	Thermal overload error 2 during a stop
			50.6	Thermal overload error 4 during a stop
	51	Overload 2	51.1	Thermal overload error 3 during operation
			51.2	Thermal overload error 3 during a stop
	52	Error excessive	52.1	Excess droop pulse 1
			52.3	Excess droop pulse 2
			52.4	Error excessive during 0 torque limit
			52.5	Excess droop pulse 3
	54	Oscillation detection	54.1	Oscillation detection error
	56	Forced stop error	56.2	Over speed during forced stop
			56.3	Estimated distance over during forced stop
	63	STO timing error	63.1	STO1 off
			63.2	STO2 off
	8A	USB communication time-out error	8A.1	USB communication time-out error
	8E	USB communication error	8E.1	USB communication receive error
			8E.2	USB communication checksum error
			8E.3	USB communication character error
			8E.4	USB communication command error
			8E.5	USB communication data number error
	888/	Watchdog	88._/	Watchdog
	88888		8888._

1 — 3

1. TROUBLESHOOTING

Warning

No.		Name		Detail	Detail name
		display

91	Servo amplifier overheat warning	91.1	Main circuit device overheat warning
92	Battery	cable	disconnection	92.1	Encoder battery cable disconnection warning
	warning			92.3	Battery degradation
95	STO warning		95.1	STO1 off detection
				95.2	STO2 off detection
96	Home position setting warning	96.1	In-position warning at home positioning
				96.2	Command input warning at home positioning
				96.3	Servo off warning at home positioning
99	Stroke limit warning		99.1	Forward rotation stroke end off
				99.2	Reverse rotation stroke end off
9F	Battery warning		9F.1	Low battery
				9F.2	Battery degradation warning
E0	Excessive regeneration warning	E0.1	Excessive regeneration warning
E1	Overload warning 1		E1.1	Thermal overload warning 1 during operation
				E1.2	Thermal overload warning 2 during operation
				E1.3	Thermal overload warning 3 during operation
				E1.4	Thermal overload warning 4 during operation
				E1.5	Thermal overload error 1 during a stop
				E1.6	Thermal overload error 2 during a stop
				E1.7	Thermal overload error 3 during a stop
				E1.8	Thermal overload error 4 during a stop
E2	Servo motor overheat warning	E2.1	Servo motor temperature warning
E3	Absolute position counter warning	E3.1	Multi-revolution counter travel distance excess warning
				E3.2	Encoder absolute positioning counter warning
				E3.5	Absolute position counter warning
E4	Parameter warning		E4.1	Parameter setting range error warning
E5	ABS time-out warning	E5.1	Time-out during ABS data transfer
				E5.2	ABSM off during ABS data transfer
				E5.3	SON off during ABS data transfer
E6	Servo forced stop warning	E6.1	Forced stop warning
E7	Controller forced stop warning	E7.1	Controller forced stop warning
E8	Cooling	fan speed reduction	E8.1	Decreased cooling fan speed warning
	warning
E9	Main circuit off warning	E9.1	Servo-on signal on during main circuit off
				E9.2	Bus voltage drop during low speed operation
				E9.3	Ready-on signal on during main circuit off
EA	ABS servo-on warning	EA.1	ABS servo-on warning
EB	The other axis error warning	EB.1	The other axis error warning
EC	Overload warning 2		EC.1	Overload warning 2
ED	Output watt excess warning	ED.1	Output watt excess warning
F0	Tough drive warning		F0.1	Instantaneous power failure tough drive warning
				F0.3	Vibration tough drive warning
F2	Drive recorder — Miswriting warning	F2.1	Drive recorder — Area writing time-out warning
				F2.2	Drive recorder — Data miswriting warning
F3	Oscillation detection warning	F3.1	Oscillation detection warning

1 — 4

1. TROUBLESHOOTING

1.2 Remedies for alarms

When any alarm has occurred, eliminate its cause, ensure safety, and deactivate the alarm before restarting operation. Otherwise, it may cause injury.

CAUTIONIf [AL. 25 Absolute position erased] occurs, always make home position setting again. Otherwise, it may cause an unexpected operation.

As soon as an alarm occurs, make the Servo-off status and interrupt the main circuit power.

POINT

When any of the following alarms has occurred, do not cycle the power repeatedly to restart. Doing so will cause a malfunction of the servo amplifier and the servo motor. Remove its cause and allow about 30 minutes for cooling before resuming the operation.

[AL. 30 Regenerative error] • [AL. 45 Main circuit device overheat] [AL. 46 Servo motor overheat] • [AL. 50 Overload 1]

[AL. 51 Overload 2]

Remove the cause of the alarm in accordance with this section. Use MR Configurator2 to refer to a factor of alarm occurrence.

1 — 5

1. TROUBLESHOOTING

Alarm No.: 10	Name: Undervoltage
Alarm content	The voltage of the control circuit power supply has dropped.
The voltage of the main circuit power supply has dropped.

Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

10.1	Voltage drop in	(1)	The connection of the	Check the control	It has a failure.	Connect it correctly.	[A]
	the control		control circuit power	circuit power supply			[B]
	power		supply connector	connector.			[WB]
			(CNP2) has a failure.		It has no failure.	Check (2).
		(2)	The voltage of the	Check if the voltage	The voltage is lower	Review the voltage of
			control circuit power	of the control circuit	than 160 V AC.	the control circuit
			supply is low.	power supply is lower		power supply.
				than 160 V AC.	The voltage is higher	Check (3).
					than 160 V AC.
		(3)	An instantaneous	Check if the power	It has a problem.	Review the power.
			power failure has	has a problem.
			occurred for longer
			time than the specified
			time. The time will be
			60 ms when [Pr. PA20]
			is «_ 0 _ _». The time
			will be the value set in
			[Pr. PF25] when [Pr.
			PA20] is «_ 1 _ _».
10.2	Voltage drop in	(1)	The main circuit power	Check the main	It is disconnected.	Connect it correctly.
	the main circuit		supply connector	circuit power supply
	power		(CNP1) was	connector.
			disconnected.
					It is connected.	Check (2).
		(2)	The voltage of the main	Check if the voltage	The voltage is lower	Increase the voltage
			circuit power supply is	of the main circuit	than 160 V AC.	of the main circuit
			low.	power supply is lower		power supply.
				than 160 V AC.	The voltage is higher	Check (3).
					than 160 V AC.
		(3)	The alarm has	Check that the bus	The voltage is less	Increase the
			occurred during	voltage during	than 200 V DC.	acceleration time
			acceleration.	acceleration is 200 V		constant. Or increase
				DC or more.		the power supply
						capacity.
					The voltage is 200 V	Check (4).
					DC or more.
		(4)	The servo amplifier is	Check the bus	The voltage of the	Replace the servo
			malfunctioning.	voltage value.	main circuit power	amplifier.
					supply is 160 V AC or
					more, and the bus
					voltage is less than
					200 V DC.

1 — 6

1. TROUBLESHOOTING

Alarm No.: 11	Name: Switch setting error
Alarm content	The setting of the axis selection rotary switch or auxiliary axis number setting switch is incorrect.
The setting of the disabling control axis switch is incorrect.

Displ	Detail name		Cause		Check method		Check result	Action	Targe
ay				t

11.1	Axis number	(1)	The setting of the Axis		Check the settings of	When both of the	Set the axis No.	[WB]
	setting error		No. is incorrect.		the auxiliary axis	auxiliary axis number	correctly.
					number setting switch	setting switches are
					(SW2) and axis	on, check the axis
					selection rotary switch	selection rotary switch
					(SW1).	if «E» is selected for
						MR-J4W2, («E» or «F»
						is selected for MR-
						J4W2).
						Both of the auxiliary	Replace the servo
						axis number setting	amplifier.
						switches are off.
11.2	Disabling	(1)	The setting of the		Check the setting of	Check if the setting is	Set it correctly.
	control axis		disabling control axis		the disabling control	as follows.
	setting error		switch is incorrect.		axis switch.	1)	Only A-axis is
							disabled.
						2)	Only B-axis is
							disabled.
						3)	A-axis and B-axis
							are disabled.
						4)	A-axis and C-axis
							are disabled.
						The setting is other	Replace the servo
						than above.	amplifier.

Alarm No.: 12	Name: Memory error 1 (RAM)
Alarm content	A part (RAM) in the servo amplifier is failure.
Displ	Detail name		Cause		Check method		Check result	Action	Targe
ay				t

12.1	RAM error 1	(1)	A part in the servo		Disconnect the cables	It is repeatable.	Replace the servo	[A]
			amplifier is failure.		except the control			amplifier.	[B]
					circuit power supply,	It is not repeatable.	Check (2).	[WB]
					and then check the
					repeatability.
		(2)	Something near the		Check the power	It has a failure.	Take
			device caused it.		supply for noise.			countermeasures
								against its cause.

12.2RAM error 2 Check it with the check method for [AL. 12.1].

12.3RAM error 3

12.4RAM error 4

12.5RAM error 5

1 — 7

1. TROUBLESHOOTING

Alarm No.: 13	Name: Clock error
Alarm content	A part in the servo amplifier is failure.
A clock error transmitted from the controller occurred.

Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

13.1	Clock error 1	(1)	A part in the servo	Disconnect the cables	It is repeatable.	Replace the servo	[A]
			amplifier is failure.	except the control		amplifier.	[B]
				circuit power supply,	It is not repeatable.	Check (2).	[WB]
				and then check the
				repeatability.
		(2)	A clock error	Check if the error	It occurs.	Replace the	[B]
			transmitted from the	occurs when you		controller.	[WB]
			controller occurred.	connect the amplifier	It does not occur.	Check (3).
				to the controller.
		(3)	The servo amplifier of	Check if the servo	It is malfunctioning.	Replace the servo
			the next axis is	amplifier of the next		amplifier of the next
			malfunctioning.	axis is malfunctioning.		axis.
					It is not	Check (4).
					malfunctioning.
		(4)	Something near the	Check the power	It has a failure.	Take	[A]
			device caused it.	supply for noise.		countermeasures	[B]
				Check if the		against its cause.	[WB]
				connector is shorted.
13.2	Clock error 2	Check it with the check method for [AL. 13.1].

1 — 8

1. TROUBLESHOOTING

Alarm No.: 14	Name: Control process error
Alarm content	The process did not complete within the specified time.
Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

14.1	Control	(1)	The parameter setting	Check if the	It is incorrect.	Set it correctly.	[A]
	process error 1		is incorrect.	parameter setting is			[B]
				incorrect.			[WB]
					It is correct.	Check (2).
		(2)	Something near the	Check the power	It has a failure.	Take
			device caused it.	supply for noise.		countermeasures
				Check if the		against its cause.
				connector is shorted.	It has no failure.	Check (3).

		(3)	The servo amplifier is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	amplifier, and then		amplifier.
				check the
				repeatability.
14.2	Control	(1)	A synchronous signal	Replace the	It is repeatable.	Replace the servo	[B]
	process error 2		error transmitted from	controller, and then		amplifier.	[WB]
			the controller occurred.	check the	It is not repeatable.	Check (2).
				repeatability.
		(2)	The parameter setting	Check if the	It is incorrect.	Set it correctly.	[A]
			is incorrect.	parameter setting is			[B]
				incorrect.			[WB]
					It is correct.	Check (3).
		(3)	Something near the	Check the power	It has a failure.	Take
			device caused it.	supply for noise.		countermeasures
				Check if the		against its cause.
				connector is shorted.	It has no failure.	Check (4).
		(4)	The servo amplifier is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	amplifier, and then		amplifier.
				check the
				repeatability.
14.3	Control	Check it with the check method for [AL. 14.1].
	process error 3
14.4	Control
	process error 4
14.5	Control
	process error 5
14.6	Control
	process error 6
14.7	Control
	process error 7
14.8	Control
	process error 8
14.9	Control
	process error 9
14.A	Control process
	error 10

1 — 9

1. TROUBLESHOOTING

Alarm No.: 15	Name: Memory error 2 (EEP-ROM)
Alarm content	A part (EEP-ROM) in the servo amplifier is failure.
Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

15.1	EEP-ROM error	(1)	EEP-ROM is	Disconnect the cables	It is repeatable.	Replace the servo	[A]
	at power on		malfunctioning at power	except the control		amplifier.	[B]
			on.	circuit power supply,	It is not repeatable.	Check (2).	[WB]
				and then check the
				repeatability.
		(2)	Something near the	Check the power	It has a failure.	Take
			device caused it.	supply for noise.		countermeasures
				Check if the connector		against its cause.
				is shorted.	It has no failure.	Check (3).
		(3)	The number of write	Check if parameters	It has a failure.	Replace the servo
			times exceeded	has been used very		amplifier. Change the
			100,000.	frequently.		process to use
						parameters less
						frequently after
						replacement.
15.2	EEP-ROM error	(1)	EEP-ROM is	Check if the error	It occurs.	Replace the servo
	during operation		malfunctioning during	occurs when you		amplifier.
			normal operation.	change parameters	It does not occur.	Check (2).
				during normal
				operation.
		(2)	A write error occurred	Check if the alarm	It takes an hour or	Replace the servo
			while tuning results was	occurs after an hour	more.	amplifier.
			processed.	from power on.	It takes less than an	Check (3).
					hour.
		(3)	Something near the	Check the power	It has a failure.	Take
			device caused it.	supply for noise.		countermeasures
				Check if the connector		against its cause.
				is shorted.

Alarm No.: 16	Name: Encoder initial communication error 1
Alarm content	Communication error occurred between encoder and servo amplifier.
Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

16.1	Encoder initial	(1)	An encoder cable is	Check if the encoder	It has a failure.	Replace or repair the	[A]
	communication		malfunctioning.	cable is disconnected		cable.	[B]
	— Receive data			or shorted.			[WB]
	error 1
					It has no failure.	Check (2).
		(2)	The servo amplifier is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	amplifier, and then		amplifier.
				check the	It is repeatable.	Check (3).
				repeatability.
		(3)	An encoder is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	motor or linear		motor.
				encoder, and then	It is repeatable.	Check (4).
				check the
				repeatability.
		(4)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				vibration, etc.		against its cause.
16.2	Encoder initial	Check it with the check method for [AL. 16.1].
	communication
	— Receive data
	error 2

1 — 10

1. TROUBLESHOOTING

Alarm No.: 16	Name: Encoder initial communication error 1
Alarm content	Communication error occurred between encoder and servo amplifier.
Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

16.3	Encoder initial	(1)	An axis not used is not	Check the setting of	It is not set as	Set it as disabled-	[WB]
	communication —		set as disabled-axis.	the disabling control	disabled-axis.	axis.
	Receive data			axis switch (SW2).
	error 3				It is set as disabled-	Check (2).
					axis.
		(2)	An encoder cable was	Check if the encoder	It is not connected.	Connect it correctly.	[A]
			disconnected.	cable is connected			[B]
				correctly.	It is connected.	Check (3).	[WB]
		(3)	The parameter setting	Check the parameter	The setting is	Set it correctly.
			of two-wire type/four-	setting.	incorrect.
			wire type is incorrect.
				The setting is correct.	Check (4).
			Type A: [Pr. PC22]

			Type B: [Pr. PC04]

		(4)	An encoder cable is	Check if the encoder	It has a failure.	Replace or repair the
			malfunctioning.	cable is disconnected		cable.
				or shorted.	It has no failure.	Check (5).
		(5)	The voltage of the	Check the voltage of	The control circuit	Review the power
			control circuit power	the control circuit	power supply has	and related parts.
			supply has been	power supply.	been an
			unstable.		instantaneous power
					failure.
					It has no failure.	Check (6).
		(6)	The servo amplifier is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	amplifier, and then		amplifier.
				check the	It is repeatable.	Check (7).
				repeatability.
		(7)	An encoder is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	motor, and then		motor.
				check the	It is repeatable.	Check (8).
				repeatability.
		(8)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				vibration, etc.		against its cause.
16.5	Encoder initial	Check it with the check method for [AL. 16.1].
	communication —
	Transmission
	data error 1
16.6	Encoder initial
	communication —
	Transmission
	data error 2
16.7	Encoder initial
	communication —
	Transmission
	data error 3

1 — 11

1. TROUBLESHOOTING

Alarm No.: 16	Name: Encoder initial communication error 1
Alarm content	Communication error occurred between encoder and servo amplifier.
Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

16.A	Encoder initial	(1)	The servo amplifier is	Replace the servo	It is not repeatable.	Replace the servo	[A]
	communication —		malfunctioning.	amplifier, and then		amplifier.	[B]
	Process error 1			check the			[WB]
				repeatability.	It is repeatable.	Check (2).
		(2)	An encoder is	Replace the servo	It is not repeatable.	Replace the servo
			malfunctioning.	motor, and then check		motor.
				the repeatability.	It is repeatable.	Check (3).
		(3)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				vibration, etc.		against its cause.
16.B	Encoder initial	Check it with the check method for [AL. 16.A].
	communication —
	Process error 2
16.C	Encoder initial
	communication —
	Process error 3
16.D	Encoder initial
	communication —
	Process error 4
16.E	Encoder initial
	communication —
	Process error 5
16.F	Encoder initial
	communication —
	Process error 6

1 — 12

1. TROUBLESHOOTING

Alarm No.: 17	Name: Board error
Alarm content	A part in the servo amplifier is malfunctioning.
Displ	Detail name		Cause	Check method	Check result	Action	Targe
ay		t

17.1	Board error 1	(1)	A current detection	Check if the alarm	It occurs.	Replace the servo	[A]
			circuit is	occurs during the		amplifier.	[B]
			malfunctioning.	servo-on status.			[WB]
					It does not occur.	Check (2).
		(2)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				etc.		against its cause.
17.3	Board error 2	Check it with the check method for [AL. 17.1]».
17.4	Board error 3	(1)	The servo amplifier	Disconnect the cables	It is repeatable.	Replace the servo
			recognition signal was	except the control		amplifier.
			not read properly.	circuit power supply,	It is not repeatable.	Check (2).
				and then check the
				repeatability.
		(2)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				etc.		against its cause.
17.5	Board error 4	(1)	The setting value of the	Disconnect the cables	It is repeatable.	Replace the servo	[B]
			rotary switch (SW1)	except the control		amplifier.	[WB]
			was not read properly.	circuit power supply,	It is not repeatable.	Check (2).
				and then check the

				repeatability.
		(2)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				etc.		against its cause.
17.6	Board error 5	(1)	The setting value of the	Disconnect the cables	It is repeatable.	Replace the servo
			DIP switches (SW2)	except the control		amplifier.
			was not read properly.	circuit power supply,	It is not repeatable.	Check (2).
				and then check the
				repeatability.
		(2)	Something near the	Check the noise,	It has a failure.	Take
			device caused it.	ambient temperature,		countermeasures
				etc.		against its cause.

1 — 13

Источник

Ремонт сервоусилителя Mitsubishi
Особенности ремонта сервоусилителя Mitsubishi
Коды предупреждений и ошибок сервоусилителя Mitsubishi
Базовые схемы конфигурации сервоусилителей Mitsubishi

Схемы типовых подключений сервоусилителей Mitsubishi
Блок схема сервоусилителя Mitsubishi
Преимущество ремонта сервоусилителя Mitsubishi в нашем сервисном центре
Оставить заявку на ремонт сервоусилителя Mitsubishi

Ремонт сервоусилителя Mitsubishi

Сервисный центр «Кернел» предлагает выполнить качественный ремонт сервоусилителя Mitsubishi в на компонентном уровне в максимально сжатые сроки. Сервоусилители относятся к сложной промышленной электронике именно поэтому ремонтом сервоусилителей Mitsubishi, впрочем, как и других производителей должны заниматься специалисты, имеющие не только высшее техническое образование, но и солидный опыт в ремонте подобной промышленной электроники.

Также для восстановления подобного промышленного оборудования понадобится хорошая материально-техническая база. При выполнении всех выше перечисленных условий, шансы на успешный ремонт сервоусилителя Mitsubishi возрастают в геометрической прогрессии.

Именно поэтому за ремонтом сервоусилителей, независимо от производителя лучше всего обращаться в специализированный сервисный центр, который отвечает всем техническим требованиям, такой как Кернел. Наш цент имеет отличную материально-техническую базу, а за время существования с 2002 года специалисты компании накопили бесценный опыт в том числе опыт в ремонте сервоусилителей Mitsubishi.

Особенности ремонта сервоусилителя Mitsubishi

Ремонт сервоусилителей Mitsubishi имеет ряд индивидуальных особенностей, это связано с конструктивными особенностями данного промышленного оборудования. По аналогии с частотными преобразователями они состоят из двух взаимосвязанных частей, это:

Аппаратная часть;
Программная часть.

В первую очередь ремонтируется аппаратная часть промышленного сервоусилителя. После глубокой диагностики неисправного блока выявляются все неисправные компоненты, которые в последствии заменяются на оригинальные запасные части (по возможности), в случае если сервопривод уже давно снят с производства и найти оригинальные запчасти просто невозможно они заменяются на аналоги.

Данный вид ремонта называется компонентным. От других видов его отличает две немаловажные детали.

Значительное удешевление ремонта;
Существенное сокращение времени ремонта.

По завершении ремонта аппаратной части сервоусилителя наступает очередь программной. В зависимости от серии выбирается программный продукт и зашивается в блок.

Заключительный этап ремонта сервоусилителя Mitsubishi это проверка на специализированном стенде. Все блоки проверяются без нагрузки и с нагрузкой не менее двух часов.

Коды предупреждений и ошибок сервоусилителя Mitsubishi

При обнаружении неисправности при работе сервоусилителя будет активирована соответствующая защита и выведено предупреждающее сообщение на индикатор сервоусилителя или цифрового пульта.

Коды аварийной сигнализации выводятся при возникновении соответствующей сигнализации. При нормальной работе (отсутствие неполадок) через контакты CN1-10, CN1-11 и CN1-12 выводятся стандартные сигналы состояния (к примеру частота или направление вращения). При возникновении аварийной сигнализации, установите сигнал состояния «Серво выкл.» и прервите питание силового контура.

Коды неисправностей и предупреждений сервоусилителя Mitsubishi MR-E приведены в файле PDF который доступен по ссылке ниже. Дополнительно в файле указаны способы устранения неисправностей и их сброс.

Посмотреть все коды ошибок сервоусилителя Mitsubishi MR-E

Схемы

В некоторых случает может понадобится схема подключения сервоусилителей, ниже мы показаны схемы сервоусилителя Mitsubishi.

Базовые схемы конфигурации сервоусилителей Mitsubishi

Конфигурация системы MR-E-100AG-QW003

Конфигурация системы MR-E-200AG-QW003

Конфигурация системы MR-E-200AG-QW003

Схемы типовых подключений сервоусилителей Mitsubishi

Сервопривод Mitsubishi

Схема регулировки частоты вращения

Сервопривод Mitsubishi

Схема регулировки крутящего момента

Схема регулировки крутящего момента Mitsubishi MR-E

Блок схема сервоусилителя Mitsubishi

Mitsubishi MR-E-Super с аналоговым входом

Mitsubishi MR-E-Super с аналоговым входом, блок схема

Преимущество ремонта сервоусилителя Mitsubishi в нашем сервисном центре

Во время эксплуатации электроприводов Mitsubishi может возникнуть проблема, далеко не всегда возникшую проблему можно исправить на месте своими силами, наш сервисный центр готов вам в этом помочь, выполнив качественный ремонт сервоусилителей Mitsubishi в сжатые сроки с полугодовой гарантией.

Мы не только восстановим неисправный блок, но и подскажем как действовать в той или иной ситуации для максимально долгой и безаварийной работы сервоусилителя.

Работы, проводимые при ремонте сервоусилителя Mitsubishi в :

Предварительный осмотр на возможность восстановления бесплатный;
Мы производим ремонт сервоусилителя Mitsubishi на компонентном уровне (экономия бюджета и времени)
При ремонте сервоусилителей ни каких конструктивных изменений не вносим;
Ремонт блоков с применением оригинальных запасных частей (по возможности).
Вы платите исключительно за результат — работающий сервопривод;
Гарантия на ремонт сервоусилителя Mitsubishi и на запасные части замененные в процессе ремонта 6 месяцев;
Сроки ремонта варьируются от 5 до 15 рабочих дней;

За два десятилетия существования сервисного центра нашими специалистами были успешно проведены тысячи подобных ремонтов с каждым разом поднимая квалификацию наших инженеров. Ниже представлен далеко не полный список сервоусилителей Mitsubishi серии MR-E ремонтируемые в нашем сервисном центре.

MR-E Super Сервоусилитель 1(3) x 200-230В/50-60Гц (управление импульсной последовательностью)
MR-E-10A-QW003	Ремонт сервоусилителя MR-E-A для двигателей до 100 Вт
MR-E-20A-QW003	Ремонт сервоусилителя MR-E-A для двигателей до 200 Вт
MR-E-40A-QW003	Ремонт сервоусилителя MR-E-A для двигателей до 400 Вт
MR-E-70A-QW003	Ремонт сервоусилителя MR-E-A для двигателей до 750 Вт
MR-E Super Сервоусилитель 3 x 200-230В/50-60Гц (управление импульсной последовательностью)
MR-E-100A-QW003	Ремонт сервоусилителя MR-E-A для двигателей до 1кВт
MR-E-200A-QW003	Ремонт сервоусилителя MR-E-A для двигателей до 2кВт
MR-E Super Сервоусилитель 1(3) x 200-230В/50-60Гц (управление аналоговым сигналом)
MR-E-10AG-QW003	Ремонт сервоусилителя MR-E-AG для двигателей до 100 Вт
MR-E-20AG-QW003	Ремонт сервоусилителя MR-E-AG для двигателей до 200 Вт
MR-E-40AG-QW003	Ремонт сервоусилителя MR-E-AG для двигателей до 400 Вт
MR-E-70AG-QW003	Ремонт сервоусилителя MR-E-AG для двигателей до 750 Вт
MR-E Super Сервоусилитель 3 x 200-230В/50-60Гц (управление аналоговым сигналом)
MR-E-100AG-QW003	Ремонт сервоусилителя MR-E-AG для двигателей до 1кВт
MR-E-200AG-QW003	Ремонт сервоусилителя MR-E-AG для двигателей до 2кВт

В таблице представлены исключительно сервоусилители Mitsubishi серии MR-E ремонт которых мы вам предлагаем, также специалисты нашей компании ремонтируют сервоусилители не зависимо от серии и под каким брендом они были выпущены.

Оставить заявку на ремонт сервоусилителя Mitsubishi

У вас остались вопросы, связанные с ремонтом или сбросом ошибок, а также программированием и настройкой сервоусилителей Mitsubishi? Оставьте заявку на ремонт сервоусилителя Mitsubishi в нашим менеджерам. Связаться с ними можно несколькими способами:

Заказав обратный звонок (кнопка в правом нижнем углу сайта)
Посредством чата (кнопка расположена с левой стороны сайта)
Позвонив по номеру телефона: +7(8482) 79-78-54; +7(917) 121-53-01
Написав на электронную почту: 89171215301@mail.ru

За время существования сервисного центра нашими специалистами были отремонтированы десятки и сотни тысяч единиц промышленной электроники. Вот далеко не полный список производителей промышленной электроники и оборудования, ремонтируемой в нашей компании.

Источник

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