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Alarms and Warnings
9
Troubleshooting
9.1
Alarms and Warnings
9.1.1
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 9.1.2 or section 9.1.3 and take the appropriate
action.
Display
10
12
13
15
16
17
19
1A
20
24
25
30
31
32
33
34
35
36
37
45
46
50
51
52
8E
88
Tab. 9-1: Alarm and warning overview (1)
MELSERVO J2-Super
Meaning
Undervoltage
Memory error 1
Clock error
Memory error 2
Encoder error 1
Board error
Memory error 2
Motor combination error
Encoder error 2
Main ciruit error
Absolute position erase
Regenerative error
Overspeed
Overcurrent
Overvoltage
CRC error
Command frequency error
Transfer error
Parameter error
Main circuit device overheat
Servo motor overheat
Overload 1
Overload 2
Error excessive
Serial communication error
Watchdog
Alarm deactivation
Power
RESET
OFF
ON
command
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Troubleshooting
CPU reset
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9 - 1
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