Fanuc 0i Error Code 333

Fanuc CNC Major APC Alarm

Model: FANUC Series 0i / 0i Mate | Code: 333

Applicable Systems
Series 0i Series 16/18/21 Alpha Beta

Symptoms

Z axis APC data segment error detected.

Possible Causes

  • Data segment error in APC communication data.
  • Corrupted data due to noise or hardware fault.

Troubleshooting Steps

  1. Step 1: Check APC cable shielding and grounding.
    Shielding and grounding verified.
  2. Step 2: Replace the APC unit if the error persists.
    Error resolved after APC replacement.

How to Reset

Fix the data error source and reset to clear the alarm.

Related Fanuc Fault Codes

Source: Fanuc 0i/0iMate Alarm Code List, FANUC Corporation

Category: CNC