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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