Fanuc 0i Error Code 704

Fanuc CNC Major Overheat Alarm

Model: FANUC Series 0i / 0i Mate | Code: 704

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

Symptoms

The spindle motor overheating was detected.

Possible Causes

  • Spindle motor overloaded beyond rated capacity.
  • Spindle cooling system inadequate or failed.

Troubleshooting Steps

  1. Step 1: Check the spindle load and cooling system.
    Overload or cooling issue identified.
  2. Step 2: Reduce spindle load or fix the cooling system.
    Spindle temperature returns to normal.

How to Reset

Fix the spindle overheating and reset to clear the alarm.

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

Category: CNC