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10. Troubleshooting
10 - 17
Alarm No.
88
Watchdog:
The system does not operate correctly.
Cause of occurrence Investigation items Remedy
1
Software operation is incorrect. Check whether the servo software
version was changed recently.
Try returning to the original software
version.
2
CPU peripheral circuit operation is
incorrect.
Check for abnormalities in the unit's
surrounding environment, etc.
(Example: Ambient temperature, noise,
grounding)
Improve the surrounding environment.
3
Drive unit is faulty.
Check the repeatability. Replace the drive unit.