Belling Biofilm / Mould Build-Up

Washer-dryer has a persistent musty or mouldy smell inside the drum and on clothes.

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Possible Causes

Frequent low-temperature washes, Residual detergent and softener in tub, Blocked door seal drain, Dirty detergent drawer and housing

How to Fix / Troubleshooting

Safety: Ensure the machine is empty before running cleaning cycles.

  • Drum clean cycle: Run a maintenance wash at 90°C with no laundry, using a proprietary washing machine cleaner or a cup of white vinegar (check Belling guidance).
  • Clean door seal: Wipe the gasket folds with a cloth and mild detergent. Remove any black mould and debris. Clear drain holes.
  • Detergent drawer: Remove the drawer and soak in hot soapy water. Clean the housing with a brush to remove mould and residue.
  • Drying habit: After use, leave the door and detergent drawer slightly open to allow ventilation and prevent odours.
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Repair Difficulty

Very Easy 1/5
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