Parker AC690, AC890, AC30, AC10 & Fastpack Drive
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Apr 29, 2025 9:37 am
Cause : MOTOR STALL comes when a motor fails to rotate or stops rotating while under load. This can be caused by various factors, including mechanical issues, electrical problems, or overload conditions.
STLL MOTOR STALLED fault in Parker AC890 drive indicates that the motor has stopped rotating or is rotating much slower than expected while still drawing a significant amount of current. This condition is dangerous for both the motor and the drive because it can lead to overheating and potential damage if not addressed promptly.
Troubleshooting Steps
Follow below steps to correct STLL MOTOR STALLED fault in Parker AC890 drive:
- Visual Inspection:
- Check for any visible signs of damage, such as burned insulation, loose connections, or foreign objects.
- Inspect the motor for excessive vibration or noise.
- Mechanical Checks:
- Check the motor bearings for wear or damage.
- Ensure that the motor shaft is properly aligned with the load.
- Look for any signs of binding or friction in the motor or load.
- Electrical Checks:
- Verify the input voltage and frequency to the motor.
- Check for any signs of damage or overheating in the motor control circuitry.
- Test the motor winding resistance to check for shorts or opens.
- Load Assessment:
- Ensure that the load connected to the motor does not exceed its rated capacity.
- If necessary, reduce the load or use a motor with a higher power rating.
- Reset Overcurrent Protection:
- If the overcurrent protection has tripped, reset it and try restarting the motor.
