Hansa Biofilm / Mold and Bacteria Build-Up

Washer has a bad odor inside the drum or on clothes.

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Possible Causes

Frequent low-temperature washes, Detergent and softener residue in tub and hoses, Standing water in door gasket folds, Clogged drain system harboring bacteria

How to Fix / Troubleshooting

Safety first: Use appropriate cleaning agents and ventilate the area.

  • Run a hot maintenance wash: Run an empty 90 °C cycle with a washing machine cleaner or 1–2 cups of white vinegar (if allowed by Hansa manual).
  • Clean gasket and drum: Wipe the door gasket folds with a cloth and mild detergent. Remove visible mold.
  • Clean dispenser drawer: Remove and wash the detergent drawer and housing to remove slime and residue.
  • Leave door open: After each wash, leave the door and dispenser slightly open to allow drying and prevent mold growth.
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Repair Difficulty

Very Easy 1/5
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