Speed Queen Biofilm / Mold Growth in Tub and Gasket

Washer emits moldy or musty odor

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Possible Causes

Standing water in door gasket, Infrequent hot washes, Detergent and fabric softener buildup, Clogged drain passages

How to Fix / Troubleshooting

Safety first: Unplug the unit before deep cleaning internal areas.

  • 1. Clean door gasket: Wipe the gasket folds with a cloth and a mixture of water and mild bleach or washer cleaner. Remove trapped debris.
  • 2. Run tub clean cycle: Use the machine's tub clean/sanitize cycle with a washer cleaner tablet or bleach.
  • 3. Leave door open: After use, leave the door slightly open to allow drying and prevent odor buildup.
  • 4. Clean dispenser: Remove and clean the detergent drawer and housing.
  • 5. Check drain: Ensure the drain pump and hoses are clear so water fully evacuates.
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Repair Difficulty

Very Easy 1/5
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