Mitsubishi Electric MELSERVO-J4 MR-J4 A Series Instruction Manual page 243

8. TROUBLESHOOTING
Alarm code
CN1 CN1 CN1
No.
22 23 24
(Bit 2) (Bit 1) (Bit 0)
47 0 1 1
50 0 1 1
51 0 1 1
52 1 0 1
54 0 1 1
56 1 1 0
63 1 1 0
8A 0 0 0
8E 0 0 0
88888
Note 1. Leave for about 30 minutes of cooling time after removing the cause of occurrence.
2. Stop method indicates as follows:
DB: Stops with dynamic brake. (Coasts for the servo amplifier without dynamic brake.)
SD: Forced stop deceleration
3. This is applicable when [Pr. PA04] is set to the initial value. The stop system of SD can be changed to DB using [Pr. PA04].
Detail
Name
display
47.1
Cooling fan error
47.2
50.1
50.2
50.3
Overload 1 (Note 1)
50.4
50.5
50.6
51.1
Overload 2 (Note 1)
51.2
52.1
52.3
Error excessive
52.4
52.5
Oscillation detection 54.1
56.2
Forced stop error
56.3
63.1
STO timing error
63.2
USB communication time-
8A.1
out error
8E.1
8E.2
USB communication error 8E.3
8E.4
8E.5
Watchdog 8888._ Watchdog
Detail name
Cooling fan stop error
Cooling fan speed reduction error
Thermal overload error 1 during operation
Thermal overload error 2 during operation
Thermal overload error 4 during operation
Thermal overload error 1 during a stop
Thermal overload error 2 during a stop
Thermal overload error 4 during a stop
Thermal overload error 3 during operation
Thermal overload error 3 during a stop
Excess droop pulse 1
Excess droop pulse 2
Error excessive during 0 torque limit
Excess droop pulse 3
Oscillation detection error
Over speed during forced stop
Estimated distance over during forced
stop
STO1 off
STO2 off
USB communication time-out error
USB communication receive error
USB communication checksum error
USB communication character error
USB communication command error
USB communication data number error
8 - 4
Alarm deactivation
Press
the
Stop
"SET"
method
Alarm button Power
(Note 2,
reset on the off o
3) (RES) current n
alarm
screen
.
SD
SD
SD
(Note (Note (Note
1) 1) 1)
SD (Note (Note (Note
1) 1) 1)
SD
(Note (Note (Note
1) 1) 1)
SD
(Note (Note (Note
1) 1) 1)
SD
(Note (Note (Note
1) 1) 1)
SD
(Note (Note (Note
1) 1) 1)
DB
(Note (Note (Note
1) 1) 1)
DB
(Note (Note (Note
1) 1) 1)
SD
SD
SD
DB
DB
DB
DB
DB
DB
SD
SD
SD
SD
SD
SD
SD