Mitsubishi Electric MR-J4 B Series Instruction Manual page 192

8. TROUBLESHOOTING
8. TROUBLESHOOTING
8.1 Alarm and warning list
When an error occurs during operation, the corresponding alarm or warning is displayed. When the alarm or
the warning occurs, refer to "MELSERVO-J4 Servo Amplifier Instruction Manual (Troubleshooting)" to
remove the failure. When an alarm occurs, ALM will turn off.
After its cause has been removed, the alarm can be deactivated in any of the methods marked
alarm deactivation column in the following table. Warnings are automatically canceled after the cause of
occurrence is removed.
For the alarms and warnings written "SD" in the stop method column, the axis stops with the dynamic brake
after forced stop deceleration. For the alarms and warnings written "DB" in the stop method column, the axis
stops with the dynamic brake without forced stop deceleration.
No. Name
10 Undervoltage
12 Memory error 1 (RAM)
13 Clock error
14 Control process error
Memory error 2 (EEP-
15
ROM)
POINT
Refer to MELSERVO-J4 Servo Amplifier Instruction Manual (Troubleshooting)
for details of alarms and warnings.
Detail
Detail name
display
10.1 Voltage drop in the control power
10.2 Voltage drop in the main circuit power
12.1 RAM error 1
12.2 RAM error 2
12.3 RAM error 3
12.4 RAM error 4
12.5 RAM error 5
13.1 Clock error 1
13.2 Clock error 2
14.1 Control process error 1
14.2 Control process error 2
14.3 Control process error 3
14.4 Control process error 4
14.5 Control process error 5
14.6 Control process error 6
14.7 Control process error 7
14.8 Control process error 8
14.9 Control process error 9
14.A Control process error 10
15.1 EEP-ROM error at power on
15.2 EEP-ROM error during operation
Stop
metho
d
(Note 4,
5)
DB
SD
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
8 - 1
in the
Alarm reset Operation mode
Power
Error CPU Standar
off o
Linear
reset reset d
n
DD