Mitsubishi Electric MELSERVO-J4 Instruction Manual page 109

6. TROUBLESHOOTING
Alarm code
No.
CN1 CN1 CN1
22 23 24
(Bit 2) (Bit 1) (Bit 0)
42 1 1 0
45 0 1 1
46 0 1 1
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
Detail
Name
display
Servo control error by position
42.1
deviation
Servo control error by speed
Servo control error 42.2
deviation
Servo control error by torque/thrust
42.3
deviation
Fully closed loop control error by
42.8
position deviation
Fully closed loop control error by
Fully closed loop
42.9
speed deviation
control error
Fully closed loop control error by
42.A position deviation during command
stop
Main circuit device
45.1 Main circuit device overheat error
overheat (Note 1)
Abnormal temperature of servo
46.1
motor 1
Abnormal temperature of servo
46.2
motor 2
Servo motor
46.3 Thermistor disconnected
overheat (Note 1)
Abnormal temperature of servo
46.5
motor 3
Abnormal temperature of servo
46.6
motor 4
47.1 Cooling fan stop error
Cooling fan error
47.2 Cooling fan speed reduction error
Thermal overload error 1 during
50.1
operation
Thermal overload error 2 during
50.2
operation
Thermal overload error 4 during
50.3
operation
Overload 1 (Note 1)
Thermal overload error 1 during a
50.4
stop
Thermal overload error 2 during a
50.5
stop
Thermal overload error 4 during a
50.6
stop
Thermal overload error 3 during
51.1
operation
Overload 2 (Note 1)
Thermal overload error 3 during a
51.2
stop
52.1 Excess droop pulse 1
52.3 Excess droop pulse 2
Error excessive
52.4 Error excessive during 0 torque limit
52.5 Excess droop pulse 3
Oscillation detection 54.1 Oscillation detection error
56.2 Over speed during forced stop
Forced stop error
Estimated distance over during
56.3
forced stop
63.1 STO1 off
STO timing error
63.2 STO2 off
method
Detail name
(Note 2,
6 - 4
Alarm deactivation
Stop
3)
EDB
(Note 4) (Note 4)
EDB
(Note 4) (Note 4)
EDB
(Note 4) (Note 4)
EDB
(Note 4) (Note 4)
EDB
(Note 4) (Note 4)
EDB
(Note 4) (Note 4)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
DB
(Note 1) (Note 1) (Note 1)
DB
(Note 1) (Note 1) (Note 1)
SD
SD
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
SD
(Note 1) (Note 1) (Note 1)
DB
(Note 1) (Note 1) (Note 1)
DB
(Note 1) (Note 1) (Note 1)
SD
SD
SD
EDB
EDB
EDB
EDB
DB
DB
Operation
mode