Costway
Noisy Water Pump
Display shows normal operation but the water pump is very loud or buzzing.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Air trapped in pump, pump running dry due to low water, worn pump bearings, pump not mounted securely
How to Fix / Troubleshooting
Safety first: Unplug the unit before handling the pump.
Steps to quiet the pump:
- Check water level: Ensure the reservoir is filled to the proper level so the pump is fully submerged.
- Bleed air: Tilt the unit gently side to side and front to back while the pump is running (briefly plug in for this step) to help purge air. Then unplug again.
- Inspect mounting: Access the pump and confirm it is secured in its bracket with rubber grommets. Add foam padding if it vibrates against the housing.
- Replace pump: If the pump remains loud or grinds, replace it with a new Costway water circulation pump.
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Repair Difficulty
Medium
3/5
Required Part
Water Circulation Pump
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