Hotpoint-Ariston Biofilm / Mold Build-Up in Drum and Hoses

Unpleasant musty or moldy odor from the drum and during drying.

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Possible Causes

Frequent low-temperature washes, Residual detergent and fabric softener buildup, Standing water in sump and door gasket, Poor ventilation after use

How to Fix / Troubleshooting

Safety: Use appropriate cleaning agents and follow label instructions.

  • Run a maintenance wash:
    • Run an empty 90°C cycle with a washing machine cleaner or 1–2 cups of white vinegar (if manufacturer allows).
  • Clean door gasket:
    • Wipe the gasket folds with a cloth soaked in mild bleach solution or dedicated cleaner.
    • Remove any visible mold or residue.
  • Clean detergent drawer:
    • Remove the dispenser drawer and soak in hot soapy water.
    • Scrub away residue and mold.
  • Improve ventilation:
    • Leave the door and detergent drawer slightly open between uses.
    • Avoid leaving wet clothes in the drum for long periods.
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Repair Difficulty

Very Easy 1/5
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