Remove and clean the filter
Wipe the door, gasket, and edges
Clean the spray arms
Clear food debris from the drain area
Run a hot cycle with dishwasher cleaner
Run an empty cycle with white vinegar
Sprinkle baking soda on the bottom and run a short hot cycle
Check and clean the garbage disposal connection
Inspect the drain hose for clogs or kinks
Leave the door slightly open after each wash
Rinse dishes before loading
Clean the dishwasher regularly
Replace worn or moldy door gaskets
Use the correct amount of detergent
Fix standing water issues immediately