Applicable Systems
Haas CNC Mill (VF/VM Series)
Symptoms
A axis drive fault detected during operation.
Possible Causes
- A axis drive reported a hardware fault.
- Drive component failure or overheating.
Troubleshooting Steps
- Step 1: Check the A axis drive fault code and status.
Drive fault identified. - Step 2: Replace the drive or fix the fault cause.
A axis drive operates normally after fix.
How to Reset
Fix the A axis drive fault and reset to clear the alarm.
Source: Haas Alarm Codes, Haas Automation
Category: CNC