Amana Odor / Biofilm Buildup

Strong musty or moldy odor coming from the dishwasher, especially when first opened.

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Possible Causes

Food debris in filters and sump, stagnant water in low spots, infrequent use, clogged vent

How to Fix / Troubleshooting

Safety first: Turn off power before removing internal parts.

  • Clean filters thoroughly: Remove and scrub all filters with hot, soapy water.
  • Clean sump and door seals: Wipe around the sump, door gasket, and corners of the tub with a mild bleach solution or dishwasher cleaner.
  • Run cleaning cycle: Run an empty cycle with a dishwasher cleaner or a cup of white vinegar on the top rack.
  • Improve drying: Leave the door slightly ajar after cycles to allow moisture to escape.

Repair action: Typically no parts needed. If odor persists and you find standing water in the base, inspect for partial drain issues and correct as needed.

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Repair Difficulty

Very Easy 1/5
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