Other Issues That May Cause A Clogged Dishwasher If cleaning the filter does not eliminate standing water in your dishwasher, you may have two potential problems on your hands. For one, the drain ...

Standing water ... into your dishwasher drain and let it sit for 20 minutes. The fizzing of the mixture may loosen up any clogs. When done, flush it with hot water and turn on the rinse cycle.