Bauknecht
Foreign Object in Pump or Spray System
Dishwasher makes loud grinding or rattling noises during wash or drain.
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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
Glass shards in circulation pump, Bone or debris in drain pump, Loose spray arm hitting dishes, Worn pump bearings
How to Fix / Troubleshooting
Safety first: Disconnect power before inspecting internal components.
- Check spray arms: Ensure spray arms rotate freely and are not hitting tall items. Adjust loading.
- Inspect sump: Remove filters and look for foreign objects in the sump. Remove carefully.
- Check drain pump: Access the drain pump from below and inspect the impeller for debris. Remove any obstructions.
- Replace pump if noisy: If the noise persists and comes from the pump, the bearings may be worn and the pump should be replaced.
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Repair Difficulty
Medium
3/5
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