Danby
Foreign Object in Pump / Spray Arm Interference
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 or hard debris in circulation pump, Foreign object in drain pump, Spray arm hitting tall dishes, Worn pump bearings
How to Fix / Troubleshooting
Safety first: Disconnect power before reaching into the tub or pump area.
- Check spray arms: Spin both spray arms by hand to ensure they rotate freely and are not hitting racks or dishes.
- Inspect sump: Remove filters and look for broken glass, bones, or utensils in the sump area. Remove carefully.
- Check drain pump: Access the bottom of the dishwasher and remove the drain pump to inspect for debris around the impeller.
- If noise persists: The circulation pump bearings may be worn, requiring pump replacement.
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Repair Difficulty
Medium
3/5
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