Strong bad smell from inside the dishwasher, especially when opening the door after some time.

Safety first: Wear gloves when cleaning dirty filters and sump.

• Deep clean filters and sump: Remove all filters and scrub them with hot soapy water. Clean the sump area thoroughly, removing trapped food.
• Clean door seals: Wipe the door gasket and around the door edges with a mild bleach solution or dishwasher-safe cleaner.
• Run cleaning cycle: Run the hottest program with a dishwasher cleaner or a cup of white vinegar on the top rack.
• Improve drainage: Ensure the drain hose has a proper high loop and no sags where water can stagnate.

Regular monthly cleaning cycles help prevent odors. No parts typically need replacement unless there is a persistent drainage issue.