Applicable Systems
Series 0i
Series 16/18/21
Alpha
Beta
Symptoms
4th axis APC parity error detected.
Possible Causes
- Parity check failed in APC data transmission.
- Electrical noise or failing APC hardware.
Troubleshooting Steps
- Step 1: Check cable connections and shielding.
Connections and shielding verified. - Step 2: Replace the APC unit if parity errors persist.
Parity error resolved after replacement.
How to Reset
Resolve the parity error 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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