Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
A servo excess error (excessive position deviation) was detected.
Possible Causes
- Excessive position deviation between command and actual position.
- Servo gain mismatch or mechanical resistance.
Troubleshooting Steps
- Step 1: Check for mechanical obstruction or excessive load.
Obstruction or load identified. - Step 2: Adjust servo gain parameters or remove the obstruction.
Position deviation reduced to normal.
How to Reset
Fix the position deviation cause and reset to clear the alarm.
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Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC
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