Troubleshooting; Alarms And Warning List - Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual
Melservo j3 series general-purpose ac servo sscnet compatible
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Also See for Melservo-J3 Series MR-J3-B:
- Instruction manual (802 pages) ,
- Manual (668 pages) ,
- Handbook (590 pages)
Table of Contents
8. TROUBLESHOOTING
8. TROUBLESHOOTING
If an alarm/warning has occurred, refer to this chapter and remove its cause.
8.1 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 8.2 or 8.3 and take the appropriate action. When an alarm occurs, the ALM turns
OFF.
After its cause has been removed, the alarm can be deactivated in any of the methods marked
deactivation column. The alarm is automatically canceled after removing the cause of occurrence.
Display
Undervoltage
10
Memory error 1 (RAM)
12
Clock error
13
Memory error 2 (EEP-ROM)
15
Encoder error 1 (At power on)
16
Board error
17
19
Memory error 3 (Flash-ROM)
Motor combination error
1A
Encoder error 2
20
24
Main circuit error
Absolute position erase
25
Regenerative error
30
Overspeed
31
Overcurrent
32
33
Overvoltage
Receive error 1
34
Command frequency error
35
Receive error 2
36
Parameter error
37
Main circuit device overheat
45
Servo motor overheat
46
Cooling fan error
47
50
Overload 1
Overload 2
51
Error excessive
52
USB communication time-out error
8A
USB communication error
8E
Watchdog
888
Note 1. Deactivate the alarm about 30 minutes of cooling time after removing the cause of occurrence.
2. In some controller communication status, the alarm factor may not be removed.
POINT
As soon as an alarm occurs, make the Servo off status and interrupt the main
circuit power.
Name
Power
OFF ON
(Note 1) (Note 1) (Note 1)
(Note 1) (Note 1) (Note 1)
(Note 1) (Note 1) (Note 1)
(Note 1) (Note 1) (Note 1)
(Note 1) (Note 1) (Note 1)
Alarm deactivation
Error
CPU
reset
reset
(Note 2)
8 - 1
Display
Name
92
Open battery cable warning
Home position setting warning
96
Battery warning
9F
Excessive regeneration warning
E0
Overload warning 1
E1
Absolute position counter warning
E3
Parameter warning
E4
Servo forced stop warning
E6
E7
Controller forced stop warning
Cooling fan speed reduction warning
E8
Main circuit off warning
E9
EC
Overload warning 2
Output watt excess warning
ED
in the alarm
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Troubleshooting
