Zanussi Biofilm / Mold Build-Up

Washer has a strong musty or moldy odor inside the drum.

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Possible Causes

Frequent low-temperature washes, Residual detergent and softener in tub, Door kept closed between washes, Blocked drain causing stagnant water

How to Fix / Troubleshooting

Safety: Use appropriate cleaning agents and follow label instructions.

  • Run maintenance wash: Run an empty 90°C cycle with a washing machine cleaner or white vinegar and baking soda to kill bacteria and remove residue.
  • Clean door seal: Wipe the gasket folds with a cloth and mild detergent, removing black mold and slime.
  • Clean detergent drawer: Remove and scrub the drawer and housing to clear mold and buildup.
  • Ventilate: Leave the door and drawer slightly open between washes to allow drying.
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Repair Difficulty

Very Easy 1/5
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