Fanuc 0i Error Code 090

Fanuc CNC Major P/S Alarm

Model: FANUC Series 0i / 0i Mate | Code: 090

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

Symptoms

Reference point return failed due to insufficient movement or speed.

Possible Causes

  • The axis did not travel far enough to reach the reference point.
  • The reference point return speed was too low.

Troubleshooting Steps

  1. Step 1: Check that the axis can move at least one turn of the encoder before the dog.
    Insufficient travel identified.
  2. Step 2: Increase the reference point return speed or move the axis closer.
    Reference point return completes successfully.

How to Reset

Adjust the return parameters and retry to clear the alarm.

Related Fanuc Fault Codes

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

Category: CNC