Fanuc 0i Error Code 416

Fanuc CNC Critical Servo Alarm

Model: FANUC Series 0i / 0i Mate | Code: 416

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

Symptoms

X axis pulse encoder fault detected.

Possible Causes

  • Pulse encoder hardware failure or disconnection.
  • Encoder cable damage or encoder internal fault.

Troubleshooting Steps

  1. Step 1: Check encoder cable and connections.
    Cable issue identified.
  2. Step 2: Replace the encoder if faulty.
    Encoder fault cleared after replacement.

How to Reset

Fix the encoder issue and reset to clear the alarm.

Related Fanuc Fault Codes

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

Category: CNC