Zanussi Bacterial / Grease Build‑Up in Sump and Hoses

Unpleasant smell coming from the dishwasher, especially when opening the door.

Possible Causes

Dirty filters, Food residue in sump, Grease build‑up in drain hose, Infrequent hot washes

Safety first: Turn off the appliance before cleaning.

Deep clean filters: Remove and scrub filters with hot soapy water.
Clean sump: Wipe around the sump area and under the filters to remove trapped food.
Run cleaning cycle: Run an empty hot cycle with a dishwasher cleaner or a cup of white vinegar placed upright on the top rack.
Use regularly: Run a hot program at least once a week to prevent build‑up.

Very Easy 1/5