How Do I Unblock A Dishwasher [repack] Jun 2026

Located inside the dishwasher near the filter, this rubber flap stops dirty water from flowing back in.

If you’ve done all the above and the dishwasher still holds water, the is likely burned out or the main control board has failed. Both require a multimeter and replacement parts—time to call an appliance repair technician. how do i unblock a dishwasher

If water backs up into the sink when the dishwasher drains, your air gap is blocked. Located inside the dishwasher near the filter, this