Fanuc 0i Error Code 122

Fanuc CNC Minor P/S Alarm

Model: FANUC Series 0i / 0i Mate | Code: 122

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

Symptoms

A macro instruction was called repeatedly beyond the allowed count.

Possible Causes

  • Macro call nesting exceeded the maximum repetition count.
  • Recursive macro call without termination condition.

Troubleshooting Steps

  1. Step 1: Check the macro call repetition logic.
    Excessive repetition identified.
  2. Step 2: Add a termination condition or reduce calls.
    Macro executes within repetition limits.

How to Reset

Fix the macro repetition and reset to clear the alarm.

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

Category: CNC