Toshiba Biofilm / Mold Build-Up

Washer has a strong moldy or musty odor inside the drum.

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Possible Causes

Frequent cold washes, Residual detergent and softener, Door kept closed between cycles, Clogged drain and gasket area

How to Fix / Troubleshooting

Safety first: Use only washing machine-safe cleaners; do not mix bleach with other chemicals.

  • 1. Run a drum clean cycle: Use the built-in tub clean program with a Toshiba-approved cleaner or washing machine descaler.
  • 2. Clean door gasket: Wipe the gasket folds with a cloth soaked in diluted bleach or specialized cleaner. Remove all residue and standing water.
  • 3. Clean detergent drawer: Remove the drawer and scrub away mold and detergent buildup. Clean the housing as well.
  • 4. Improve ventilation: Leave the door and detergent drawer slightly open between washes to allow drying.
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Repair Difficulty

Very Easy 1/5
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