Mitsubishi Electric Melservo-J3 Series MR-J3-B, Instruction Manual

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16. INDEXER POSITIONING OPERATION
16.12.4 When alarm or warning has occurred
POINT
As soon as an alarm occurs, make the servo-off status and interrupt the main
circuit power.
Parameter error (A37) and warnings are not recorded in the alarm history.
If any alarm or warning has occurred, refer to (2) or (3) of this section. If a trouble with no alarm or warning has
occurred, refer to 16.12.6 to remove the cause.
(1) Alarms 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 (2), (3) in this section 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 in the
alarm deactivation column.
Display Name
Alarm deactivation Display Name
Power
OFF ON
(Note 3)
MR
Configurator
parameter
unit
(Note 2)
Alarm
reset
(RES)
Warnings
A90
Home positioning incomplete
warning
A92 Open battery cable warning
A96 Home position setting error
A97 Next station warning
Al
ar
m
s
A10 Undervoltage A99 Stroke limit warning
A12 Memory error 1 (RAM) A9D CC-Link warning 1
A13 Clock error A9E CC-Link warning 2
A15
Memory error 2
(EEP-ROM)
A9F Battery warning
AE0 Excessive regeneration warning
A16
Encoder error 1 AE1 Overload warning 1
(At power on) AE3 Absolute position counter warning
A17 Board error AE6 Servo forced stop warning
A19 Memory error 3 (Flash-ROM) AE8 Cooling fan speed reduction warning
A1A Motor combination error AE9 Main circuit off warning
A20 Encoder error 2 (during runtime) AEC Overload warning 2
A21 Encoder error 3 (during runtime) AED Output watt excess warning
A24 Main circuit error
A25 Absolute position erase
A30 Regenerative error (Note 1) (Note 1) (Note 1)
A31 Overspeed
A32 Overcurrent
A33 Overvoltage
A37 Parameter error
A45 Main circuit device overheat (Note 1) (Note 1) (Note 1)
A46 Servo motor overheat (Note 1) (Note 1) (Note 1)
A47 Cooling fan alarm
A50 Overload 1 (Note 1) (Note 1) (Note 1)
A51 Overload 2 (Note 1) (Note 1) (Note 1)
A52 Error excessive
A61 Operation alarm
A8A
Serial communication time-out
error
A8D CC-Link communication error
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.