Frigidaire Odor / Biofilm Buildup

Unpleasant odor coming from the dishwasher, especially when opening the door after it has been closed for a while.

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Possible Causes

Food debris in filter and sump, Standing water in low spots of drain hose, Mold or biofilm on interior surfaces, Infrequent use

How to Fix / Troubleshooting

Safety First: Use gloves when cleaning dirty filters and sump areas.

  • 1. Clean filters and sump: Remove and scrub the filter assembly. Wipe out the sump area and remove any trapped food.
  • 2. Run cleaning cycle: Run a hot cycle with a dishwasher cleaner or a cup of white vinegar on the top rack.
  • 3. Check drain hose routing: Ensure the drain hose has a proper high loop to prevent sink water from backflowing into the dishwasher.
  • 4. Leave door ajar: After cycles, leave the door slightly open to allow the interior to dry and reduce odor buildup.

Persistent odors may require more frequent cleaning cycles and filter maintenance.

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Repair Difficulty

Very Easy 1/5
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