When Alarm Or Warning Has Occurred - Mitsubishi Electric MELSERVO-J3 Series Instruction Manual

16. INDEXER POSITIONING OPERATION

16.12.4 When alarm or warning has occurred

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
alarm 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
A19 Memory error 3 (Flash-ROM)
A1A Motor combination error
A20 Encoder error 2 (during runtime)
A21 Encoder error 3 (during runtime)
A24 Main circuit error
A25 Absolute position erase
A30 Regenerative error
A31 Overspeed
A32 Overcurrent
A33 Overvoltage
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
Serial communication time-out
A8A
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.
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.
Alarm deactivation
Name
Power
OFF ON
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 3)
(Note 2)
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)
16 - 104
Display Name
Home positioning incomplete
A90
warning
A92 Open battery cable warning
A96 Home position setting error
A97 Next station 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 forced stop warning
AE8 Cooling fan speed reduction warning
AE9 Main circuit off warning
AEC Overload warning 2
AED Output watt excess warning
in the