Fanuc 0i Error Code 179

Fanuc CNC Major P/S Alarm

Model: FANUC Series 0i / 0i Mate | Code: 179

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

Symptoms

A position error was detected on an axis. Alarm 179 is displayed on the CNC screen.

Possible Causes

  • Program or parameter data error
  • Configuration or setting incorrect
  • I/O operation failure
  • System state conflict

Troubleshooting Steps

  1. Step 1: Check the CNC alarm screen for alarm 179
    Alarm message and details displayed
  2. Step 2: Identify the affected program, parameter, or axis from the alarm message
    The specific cause is identified
  3. Step 3: Correct the program, parameter, or setting as required
    The corrected value is accepted
  4. Step 4: Press RESET to clear the alarm
    Alarm clears and system returns to normal operation

How to Reset

Press the RESET key on the CNC operator panel to clear the alarm after correcting the cause.

Frequently Asked Questions

  • Q: What does Fanuc alarm 179 mean?

    Axis Position Error: A position error was detected on an axis.

  • Q: How do I fix Fanuc alarm 179?

    Review the alarm message on the CNC screen, identify the specific program or parameter causing the issue, correct it, then press RESET to clear the alarm.

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

Category: CNC