Fanuc 0i Error Code 427

Fanuc CNC Major Servo Alarm

Model: FANUC Series 0i / 0i Mate | Code: 427

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

Symptoms

Y axis servo parameter is incorrect.

Possible Causes

  • Servo parameter setting is invalid or out of range.
  • Parameter corruption or incorrect configuration.

Troubleshooting Steps

  1. Step 1: Verify and correct servo parameters.
    Parameter error identified.
  2. Step 2: Initialize parameters if corruption is suspected.
    Parameters corrected and alarm cleared.

How to Reset

Set correct parameters and reset to clear the alarm.

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

Category: CNC