Costway Biofilm / Mold Growth in Drum and Gasket

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

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Possible Causes

Frequent low-temperature washes, Residual water in door gasket folds, Detergent and fabric softener buildup, Clogged drain filter

How to Fix / Troubleshooting

Safety first: Unplug the unit before cleaning internal filters.

  • Run cleaning cycle: Run an empty hot wash with a washer cleaner or a cup of white vinegar and baking soda to remove buildup.
  • Clean door gasket: Wipe the gasket folds with a cloth soaked in diluted bleach or vinegar. Remove trapped lint and debris.
  • Clean drain filter: Open the pump filter access, remove and clean the filter to prevent stagnant water.
  • Leave door open: After use, leave the door and detergent drawer slightly open to allow drying and prevent mold.
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Repair Difficulty

Very Easy 1/5
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