Applicable Systems
Haas CNC Mill (VF/VM Series)
Symptoms
Motor stall detected, indicating the motor cannot rotate.
Possible Causes
- Mechanical jam preventing motor rotation.
- Excessive load exceeding motor torque capacity.
Troubleshooting Steps
- Step 1: Check for mechanical jam or obstruction.
Jam identified. - Step 2: Remove the obstruction or reduce the load.
Motor rotates freely after fix.
How to Reset
Fix the motor stall and reset to clear the alarm.
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Source: Haas Alarm Codes, Haas Automation
Category: CNC
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