When Alarm Or Warning Has Occurred; Alarms And Warning List - Mitsubishi Electric MELSERVO-J3 Series Manual

11. TROUBLESHOOTING

11.4 When alarm or warning has occurred

11.4.1 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 11.4.2 or 11.4.3 and take the appropriate action. When an alarm occurs, ALM
turns off.
After its cause has been removed, the alarm can be deactivated in any of the methods marked
deactivation column.
Display
A10 Undervoltage
A12 Memory error 1 (RAM)
A13 Clock error
Memory error 2
A15
(EEP-ROM)
Encoder error 1
A16
(At power on)
A17 Board error
Memory error 3
A19
(Flash-ROM)
A1A Motor combination error
A20 Encoder error 2
A24 Main circuit error
A25 Absolute position erase
A30 Regenerative error
A31 Overspeed
A32 Overcurrent
A33 Overvoltage
A35 Command pulse frequency alarm
A37 Parameter error
A45 Main circuit device overheat
A46 Servo motor overheat
A47 Cooling fan alarm
A50 Overload 1
A51 Overload 2
A52 Error excessive
A61 Operation alarm
A8A Serial communication time-out
A8D CC-Link alarm
A8E Serial communication error
888 Watchdog
Note 1. Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
2. Turns on RY(n+1)A or RY(n+3)A.
3. Clicking the "Alarm reset" button on the "Alarm display" screen of MR Configurator allows an alarm to be deactivated.
Pressing the "STOP RESET" key of the parameter unit allows an alarm to be deactivated.
POINT
Configure up a circuit which will detect the trouble (ALM) signal and turn off the
servo-on (RYn0) at occurrence of an alarm.
Name
Power
OFF ON
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
Alarm deactivation
(Note3)
(Note2)
MR
Alarm
Configurator
reset
parameter
(RES)
unit
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
(Note 1) (Note 1)
11 - 3
Display Name
Home positioning incomplete
A90
warning
A92 Open battery cable warning
A96 Home position setting error
A98 Software limit warning
A99 Stroke limit warning
A9D CC-Link warning 1
A9E CC-Link warning 2
A9F Battery warning
AE0 Excessive regeneration warning
AE1 Overload warning 1
AE3 Absolute position counter warning
AE6 Servo emergency stop warning
Cooling fan speed reduction
AE8
warning
AE9 Main circuit off warning
AEC Overload warning 2
AED Output watt excess warning
in the alarm