CHAPTER 7 MAINTENANCE AND INSPECTION
Troubleshooting 7-21
7
Not abnormal
Contact us.
The servo motor has operated
briefly and stopped.
There is a mechanical abnormality.
(1) Check the machine for the stroke end or
mechanical slip, etc.
Check if the brake is released.
(1) Check the brake power.
(2) Check the brake ON/OFF sequence.
The brake is not released.
Abnormal
The brake is released.
Check if an alarm is raised or not.
An alarm is raised.
Check the cause by referring to section 7.3.
No alarm is raised.
Reduce the PA1_15 (auto tuning gain 1)
value.
Not oscillating
Abnormal
The brake is released.
(1) Check the wiring of U/V/W.
(2) Check if the wiring is connected to a
wrong motor or not.
Not abnormal
(1) Check the brake power.
(2) Check the brake ON/OFF sequence.
The brake is not released.
Check if the brake is released.
(1) Check the encoder cables.
(2) Check if the wiring is connected to a
wrong motor or not.
(1) Check the machine for the stroke end or
mechanical slip, etc.
Check the wiring of the encoder cables.
Abnormal
Abnormal
Not abnormal
Not abnormal
Contact us.
Check the wiring of power to the servomotor.
The motor issues unpleasant
noise.
There is a mechanical abnormality.
Check if the motor is oscillating or not.
Oscillating
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