Haas CNC Error Code 138

Haas CNC Major Overheat

Model: CNC | Code: 138

Applicable Systems
Haas CNC Mill (VF/VM Series)

Symptoms

A axis motor overheat detected.

Possible Causes

  • A axis motor temperature exceeded the safe limit.
  • Excessive load or motor cooling failure.

Troubleshooting Steps

  1. Step 1: Check the A axis motor load and cooling.
    Overheat cause identified.
  2. Step 2: Reduce load or fix the cooling.
    A axis motor temperature returns to normal.

How to Reset

Fix the A axis motor overheating and reset to clear the alarm.

Source: Haas Alarm Codes, Haas Automation

Category: CNC