Fault guide • Dishwashers

Dishwasher not cleaning well

Dishes come out with food residue, a white film or water spots. Sometimes it's loading or detergent, and sometimes weak water circulation inside the machine.

Last updated: 2026-11-02

Symptoms you may notice

  • Food residue on dishes
  • White film or spots on glasses
  • Spray arms don't spin freely

Possible causes

  • Blocked spray-arm holes
  • Weak wash pump
  • Limescale or low salt

Parts that may be involved

Spray armsWash pumpWater softener unit

Error codes linked to this fault

There are no verified error codes directly linked to this fault in our tables yet.

This is awareness information to help you understand and describe the problem, not a final diagnosis. We don't publish disassembly or repair steps; diagnosis requires a qualified technician to inspect the appliance.

Other dishwasher faults

Dishwashers brands we service

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