Ariston Biofilm and Detergent Residue Build-up

Washer-dryer emits a foul or musty odor from the drum.

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Possible Causes

Frequent low-temperature washes, excess detergent, stagnant water in sump, mold growth on door seal and drum

How to Fix / Troubleshooting

Safety: Ensure good ventilation; use gloves when handling cleaners.

Steps:

  • Drum clean cycle: Run an empty 90°C cycle with a washing machine cleaner or white vinegar (check Ariston recommendations).
  • Clean seal: Wipe the door gasket folds with a cloth and mild bleach solution to remove mold.
  • Clean filter: Remove and clean the drain pump filter to eliminate trapped debris.
  • Leave door open: After use, leave the door and detergent drawer slightly open to allow drying.

Tip: Perform a hot maintenance wash monthly if you mostly wash at low temperatures.

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Repair Difficulty

Very Easy 1/5
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