Troubleshooting; Alarms And Warning List - Mitsubishi Electric MR-J2S B Series Instruction Manual

9. TROUBLESHOOTING

9. TROUBLESHOOTING

9.1 Alarms and warning list

When a fault occurs during operation, the corresponding alarm or warning is displayed. If any alarm or
warning has occurred, refer to section 9.2 or 9.3 and take the appropriate action.
After its cause has been removed, the alarm can be deactivated in any of the methods marked
alarm deactivation column.
Display
10 Undervoltage
12 Memory error 1
13 Clock error
15 Memory error 2
16 Encoder error 1
17 Board error
19 Memory error 3
1A Motor combination error
20 Encoder error 2
24 Main circuit error
25 Absolute position erase
30 Regenerative error
31 Overspeed
32 Overcurrent
33 Overvoltage
34 CRC error
35 Command frequency error
36 Transfer error
37 Parameter error
45 Main circuit device overheat
46 Servo motor overheat
50 Overload 1
51 Overload 2
52 Error excessive
8E Serial communication error
88 Watchdog
92 Open battery cable warning
96 Home position setting warning
9F Battery warning
E0 Excessive regenerative warning
E1 Overload warning
E3 Absolute position counter warning
E4 Parameter warning
E6 Servo forced stop warning
E7 Controller forced stop warning
E9 Main circuit off warning
EE SSCNET error warning
Note 1. Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
2. For confirming the connection to the servo system controller, the alarm may not be reset unless turning the power on twice or
more times.
Name
OFF ON
Removing the cause of occurrence
deactivates the alarm automatically.
Alarm deactivation
Power
Error reset
(Note 2)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
9 - 1
CPU reset
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
in the