Alarms And Warning List - Mitsubishi Electric MELSERVO-J2-Super Series Instruction Manual

12. TROUBLESHOOTING

12.4.1 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 12.4.2 or 12.4.3 and take the appropriate action. When an alarm
occurs, Trouble (RX(n+1)A or RX(n+3)A) turns ON.
After its cause has been removed, the alarm can be deactivated in any of the methods marked
alarm deactivation column.
Display
AL.10 Undervoltage
AL.12 Memory error 1
AL.13 Clock error
AL.15 Memory error 2
AL.16 Encoder error 1
AL.17 Board error
AL.19 Memory error 3
AL.1A Motor combination error
AL.20 Encoder error 2
AL.24 Main circuit error
AL.25 Absolute position erase
AL.30 Regenerative error
AL.31 Overspeed
AL.32 Overcurrent
AL.33 Overvoltage
AL.37 Parameter error
AL.45 Main circuit device overheat
AL.46 Servo motor overheat
AL.50 Overload 1
AL.51 Overload 2
AL.52 Error excessive
AL.61 Home operation alarm
AL.72 Option unit communication error
AL.76 Option unit ID error
AL.8A Serial communication time-out error
AL.8D CC-Link alarm
AL.8E Serial communication error
88888 Watchdog
AL.90 Home position return incomplete
AL.92 Open battery cable warning
AL.96 Home position setting warning
AL.98 Software limit warning
AL.9D CC-Link warning 1
AL.9E CC-Link warning 2
AL.9F Battery warning
AL.E0 Excessive regenerative warning
AL.E1 Overload warning
AL.E3 Absolute position counter warning
AL.E6 Servo forced stop warning
AL.E9 Main circuit off warning
Note: Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
Name
12 - 4
Alarm deactivation
Press "SET" on
Power
current alarm
OFF ON
(Note)
(Note)
(Note)
Removing the cause of occurrence deactivates the alarm
automatically.
Alarm reset (RES)
signal
screen.
(Note) (Note)
(Note) (Note)
(Note) (Note)
in the