Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
4th axis pulse encoder fault detected.
Possible Causes
- Pulse encoder hardware failure or disconnection.
- Encoder cable damage or encoder internal fault.
Troubleshooting Steps
- Step 1: Check encoder cable and connections.
Cable issue identified. - Step 2: Replace the encoder if faulty.
Encoder fault cleared after replacement.
How to Reset
Fix the encoder issue and reset to clear the alarm.
Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation
Category: CNC