Troubleshooting; Alarm And Warning List - Mitsubishi Electric MELSERVO-J4 Instruction Manual Trouble Shooting

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.
No.
10 Undervoltage
11 Switch setting error
12 Memory error 1 (RAM)
13 Clock error
14 Control process error
15 Memory error 2 (EEP-ROM)
16 Encoder initial communication
error 1
17 Board error
19 Memory error 3 (Flash-ROM)
1A Servo motor combination error
1E Encoder initial communication
error 2
Name Detail No.
10.1
10.2
11.1
11.2
12.1
12.2
12.3
12.4
12.5
13.1
13.2
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
14.A
15.1
15.2
16.1
16.2
16.3
16.5
16.6
16.7
16.A
16.B
16.C
16.D
16.E
16.F
17.1
17.3
17.4
17.5
17.6
17.8
19.1
19.2
1A.1
1A.2
1E.1
1E.2
Voltage drop in the control circuit power
Voltage drop in the main circuit power
Axis number setting error
Disabling control axis setting error
RAM error 1
RAM error 2
RAM error 3
RAM error 4
RAM error 5
Clock error 1
Clock error 2
Control process error 1
Control process error 2
Control process error 3
Control process error 4
Control process error 5
Control process error 6
Control process error 7
Control process error 8
Control process error 9
Control process error 10
EEP-ROM error at power on
EEP-ROM error during operation
Encoder initial communication - Receive data error 1
Encoder initial communication - Receive data error 2
Encoder initial communication - Receive data error 3
Encoder initial communication - Transmission data error 1
Encoder initial communication - Transmission data error 2
Encoder initial communication - Transmission data error 3
Encoder initial communication - Process error 1
Encoder initial communication - Process error 2
Encoder initial communication - Process error 3
Encoder initial communication - Process error 4
Encoder initial communication - Process error 5
Encoder initial communication - Process error 6
Board error 1
Board error 2
Board error 3
Board error 4
Board error 5
Board error 6 (Note)
Flash-ROM error 1
Flash-ROM error 2
Servo motor combination error
Servo motor control mode combination error
Encoder malfunction
Load-side encoder malfunction
1 - 1
Detail name