Mitsubishi Electric MELSERVO-J4 Instruction Manual page 12

1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
No. Name
24 Main circuit error
Absolute position
25
erased
Initial magnetic
27
pole detection error
Linear encoder
28
error 2
Linear encoder
2A
error 1
Encoder counter
2B
error
30 Regenerative error
31 Overspeed
32 Overcurrent
33 Overvoltage
Detail
Detail name
No.
Ground fault detected by
24.1
hardware detection circuit
Ground fault detected by
24.2
software detection function
Servo motor encoder -
25.1
Absolute position erased
Scale measurement encoder -
25.2
Absolute position erased
Initial magnetic pole detection -
27.1
Abnormal termination
Initial magnetic pole detection -
27.2
Time out error
Initial magnetic pole detection -
27.3
Limit switch error
Initial magnetic pole detection -
27.4
Estimated error
Initial magnetic pole detection -
27.5
Position deviation error
Initial magnetic pole detection -
27.6
Speed deviation error
Initial magnetic pole detection -
27.7
Current error
Linear encoder - Environment
28.1
error
2A.1 Linear encoder error 1-1
2A.2 Linear encoder error 1-2
2A.3 Linear encoder error 1-3
2A.4 Linear encoder error 1-4
2A.5 Linear encoder error 1-5
2A.6 Linear encoder error 1-6
2A.7 Linear encoder error 1-7
2A.8 Linear encoder error 1-8
2B.1 Encoder counter error 1
2B.2 Encoder counter error 2
30.1 Regeneration heat error
30.2 Regeneration signal error
Regeneration feedback signal
30.3
error
31.1 Abnormal motor speed
Overcurrent detected at
32.1 hardware detection circuit
(during operation)
Overcurrent detected at
32.2 software detection function
(during operation)
Overcurrent detected at
32.3 hardware detection circuit
(during a stop)
Overcurrent detected at
32.4 software detection function
(during a stop)
33.1 Main circuit voltage error
Stop Alarm deactivation
method
Cycling
Alarm CPU
(Note
the
reset reset
2, 3)
power
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
EDB
DB
(Note 1) (Note 1) (Note 1)
DB
(Note 1) (Note 1) (Note 1)
DB
(Note 1) (Note 1) (Note 1)
SD
DB
DB
DB
DB
EDB
1 - 5
Alarm code (Note 8)
Process-
Stop
ing
system
ACD3 ACD2
system
(Note 9)
(Bit 3) (Bit 2)
(Note 9)
Each
All axes
axis
1 1
Each
All axes
axis
Each Each
axis axis
1 1
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
1 1
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
0 1
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
0 1
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
Each Each
axis axis
1 1
Each Each
axis axis
Common All axes
Common All axes 0 0
Common All axes
Each Each
0 1
axis axis
Each
All axes
axis
Each
All axes
axis
0 1
Each
All axes
axis
Each
All axes
axis
Common All axes 1 0
ACD1 ACD0
(Bit 1) (Bit 0)
0 0
1 0
1 0
1 0
1 0
1 0
0 1
0 1
0 0
0 1