Haas CNC Error Code 154

Haas CNC Major Servo

Model: CNC | Code: 154

Applicable Systems
Haas CNC Mill (VF/VM Series)

Symptoms

Y axis Z channel signal lost.

Possible Causes

  • Y axis encoder Z channel feedback is missing.
  • Encoder cable disconnected or encoder failure.

Troubleshooting Steps

  1. Step 1: Check the Y axis encoder cable connection.
    Cable issue identified.
  2. Step 2: Replace the encoder or cable.
    Z channel signal restored.

How to Reset

Fix the Y axis Z channel and reset to clear the alarm.

Source: Haas Alarm Codes, Haas Automation

Category: CNC