Neff Foreign object in pump or spray system

Dishwasher makes loud grinding or rattling noises during wash.

Advertisements

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.

Advertisements

Possible Causes

Glass shard in circulation pump, Utensil hitting spray arm, Loose spray arm bearing, Debris in sump

How to Fix / Troubleshooting

Safety: Turn off power before reaching inside the tub or sump.

  • Check load: Open the door and ensure no utensils or tall items are obstructing the spray arms. Adjust the load and restart.
  • Inspect spray arms: Spin each spray arm by hand; they should rotate freely without scraping. Replace if cracked or loose.
  • Check sump for debris: Remove filters and inspect the sump for glass or hard objects. Remove carefully.
  • Access circulation pump: If noise persists, remove the base panel and inspect the circulation pump impeller for foreign objects. Remove debris or replace the pump if damaged.
Advertisements

Repair Difficulty

Medium 3/5

Required Part

Circulation Pump
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements