Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
4th axis APC communication timeout occurred.
Possible Causes
- APC response timed out due to hardware malfunction.
- Excessive noise in the communication line.
Troubleshooting Steps
- Step 1: Check the APC unit and cable for damage.
Hardware inspected. - Step 2: Reduce noise sources near the communication line.
Timeout resolved after noise reduction.
How to Reset
Resolve the timeout cause and reset to clear the alarm.
Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC