Applicable Systems
Haas CNC Mill (VF/VM Series)
Symptoms
Servo operating at low speed mode.
Possible Causes
- The servo is running at reduced speed due to a fault condition.
- Thermal protection or current limit active.
Troubleshooting Steps
- Step 1: Check for thermal or current limit conditions.
Low speed cause identified. - Step 2: Resolve the fault condition to restore full speed.
Servo returns to normal speed operation.
How to Reset
Fix the low speed condition and reset to clear the alarm.
Source: Haas Alarm Codes, Haas Automation
Category: CNC