Dishwasher has a bad odor even when empty.

Safety: Turn off power before deep cleaning internal components.

• Clean filters thoroughly: Remove and scrub filters with hot soapy water.
• Clean sump: Wipe the sump area and remove any trapped food or sludge.
• Run cleaning cycle: Use a dishwasher cleaner or a cup of white vinegar on the top rack and run the hottest cycle.
• Leave door ajar: After cycles, leave the door slightly open to allow ventilation and prevent mold growth.
• Check drain hose routing: Ensure the drain hose has a high loop to prevent backflow from the sink.