Haas CNC Error Code 122

Haas CNC Major Brake

Model: CNC | Code: 122

Applicable Systems
Haas CNC Mill (VF/VM Series)

Symptoms

Brake fault detected.

Possible Causes

  • Brake mechanism not engaging or releasing properly.
  • Brake wiring or solenoid fault.

Troubleshooting Steps

  1. Step 1: Check the brake mechanism and wiring.
    Brake fault identified.
  2. Step 2: Repair or replace the brake components.
    Brake functions correctly after repair.

How to Reset

Fix the brake fault and reset to clear the alarm.

Source: Haas Alarm Codes, Haas Automation

Category: CNC