Fanuc 0i Error Code 101

Fanuc CNC Major P/S Alarm

Model: FANUC Series 0i / 0i Mate | Code: 101

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

Symptoms

Power was interrupted during program editing, leaving the program in an inconsistent state.

Possible Causes

  • Power failure or interruption occurred during program storage.
  • Battery backup was insufficient to preserve data.

Troubleshooting Steps

  1. Step 1: Check the program for data integrity.
    Corrupted blocks identified.
  2. Step 2: Restore the program from backup or re-enter the lost data.
    Program restored to a consistent state.

How to Reset

Restore the program data and reset to clear the alarm.

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

Category: CNC