If cleaning the drain doesn’t solve the problem, the pump or check valve may be faulty. Call an appliance technician if water still won’t drain after cleaning.
Most dishwashers have a cylindrical or flat filter at the bottom. Twist it counterclockwise and lift it out. Check your manual for exact location. clean drain dishwasher
Slide it out completely so you can access the drain area. If cleaning the drain doesn’t solve the problem,