JennAir Biofilm and Mold Buildup

Musty or moldy odor coming from the washer drum or door area.

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Possible Causes

Frequent cold washes, leaving door closed between cycles, detergent residue on door boot, clogged drain trap retaining dirty water

How to Fix / Troubleshooting

Safety first: Wear gloves and ensure good ventilation when using cleaning agents.

  • Clean door boot: Wipe the gasket folds with a cloth soaked in a mild bleach solution or washer cleaner to remove slime and residue.
  • Run cleaning cycle: Use a washer cleaning tablet or 1 cup of bleach and run a hot cleaning cycle with an empty drum.
  • Leave door open: After each use, leave the door and dispenser drawer slightly open to allow the interior to dry.
  • Clean drain pump filter: Remove and clean the pump filter to prevent stagnant water odors.

When to call a technician: If odors persist despite thorough cleaning, there may be hidden mold or drainage issues requiring professional inspection.

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Repair Difficulty

Very Easy 1/5
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