Applicable Systems
Haas CNC Mill (VF/VM Series)
Symptoms
A axis limit switch activated.
Possible Causes
- A axis reached the positive or negative limit switch.
- Programmed move exceeded the A axis travel.
Troubleshooting Steps
- Step 1: Manually move the A axis away from the limit switch.
A axis moved off the limit. - Step 2: Check the program for incorrect coordinates.
Program corrected to avoid overtravel.
How to Reset
Move the A axis off the limit and reset to clear the alarm.
Source: Haas Alarm Codes, Haas Automation
Category: CNC