Applicable Systems
Haas CNC Mill (VF/VM Series)
Symptoms
Servo amplifier overheat detected.
Possible Causes
- Servo amplifier temperature exceeded the safe limit.
- Insufficient cooling or ventilation.
Troubleshooting Steps
- Step 1: Check the amplifier cooling fan and ventilation.
Cooling issue identified. - Step 2: Replace the fan or improve ventilation.
Amplifier temperature returns to normal.
How to Reset
Fix the amplifier overheating and reset to clear the alarm.
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Source: Haas Alarm Codes, Haas Automation
Category: CNC
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