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.

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

Category: CNC