Fanuc 0i Error Code 123

Fanuc CNC Minor P/S Alarm

Model: FANUC Series 0i / 0i Mate | Code: 123

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

Symptoms

A conflict was detected between macro control instructions.

Possible Causes

  • Incompatible macro control instructions were used together.
  • Conflicting WHILE and GOTO or similar.

Troubleshooting Steps

  1. Step 1: Review the macro control flow for conflicts.
    Conflict identified.
  2. Step 2: Correct the control instruction sequence.
    Macro control flow executes without conflict.

How to Reset

Resolve the control conflict and reset to clear the alarm.

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

Category: CNC