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Status when Alarm Occurred
Cause
A
An out-of-range parameter was previously
set or loaded.
B
Circuit board (1PWB) defective
3. A.10
Display and Outputs
Digital Operator Display
A.10
Status when Alarm Occurred
During Servomotor
operation
At power ON
Cause
A
Wiring grounded between Servopack and
Servomotor.
B
Servomotor phase-U, -V, or -W grounded.
C
• Circuit board (1PWB) defective
• Power transistor defective
D
Current feedback circuit, power transistor,
or circuit board defective.
4. A.31
Display and Outputs
Digital Operator Display
A.31
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5.2 Error Diagnosis and Troubleshooting
At power ON
A
B
,
Reset all parameters in range. Otherwise,
re-load correct parameters.
Replace Servopack.
Alarm Name
Overcurrent
When servo ON (/S-ON)
A
B
,
, C, D
signal turned ON
C
Check and correct wiring.
Replace Servomotor.
Replace Servopack.
Replace Servopack.
Alarm Name
Position error pulse overflow
(position control only)
— 5-5 —
Remedy
Alarm Output
Output transistor is OFF
(alarm state)
D
C,
Remedy
Alarm Output
Output transistor is OFF
(alarm state)
5
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