Before you begin, ensure the dishwasher is turned off. For added safety, unplug the unit or turn off the corresponding circuit breaker at your electrical panel. You should also scoop out any standing water at the bottom of the tub using a plastic cup and soak up the remaining moisture with old towels. Step 1: Inspect the Filter
Locate the filter: Most modern dishwashers have a circular filter at the bottom of the tub, near the spray arm.Remove the filter: Depending on your model, you may need to twist it counterclockwise or unscrew a protective mesh screen.Clean the filter: Rinse it under hot running water. Use a soft brush and dish soap to remove greasy residue or stubborn bits of food.Check the sump: Before replacing the filter, look into the hole where it sits. Reach in carefully to check for hard objects like broken glass, popcorn kernels, or plastic ties that might be blocking the flow. Step 2: Clear the Spray Arms how to unclog a dishwasher