LG Odor / Biofilm and Food Residue Buildup

Bad odor coming from the dishwasher, even when not in use.

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Possible Causes

Dirty filters, Food trapped in sump, Standing water in drain hose, Mold growth on door gasket

How to Fix / Troubleshooting

Safety first: Turn off power before removing internal parts.

  • Clean filters and sump: Remove the filter assembly and scrub with hot soapy water. Clean the sump area of any trapped food.
  • Clean door gasket: Wipe the door gasket and around the door edges with a mixture of warm water and mild detergent. Dry thoroughly.
  • Run cleaning cycle: Run an empty cycle with a dishwasher cleaner or a cup of white vinegar on the top rack.
  • Leave door ajar: After cycles, leave the door slightly open to allow the interior to dry and reduce odor buildup.
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Repair Difficulty

Very Easy 1/5
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