Before you call a plumber (or worse, start shopping for a new $1,000 machine), take a deep breath. In 90% of cases, a dishwasher that won’t drain is not broken. It is just clogged. And the best news? You probably have the tools to fix it in your junk drawer right now.
Here is a trick that plumbers hate (because it is too easy). If your kitchen sink has a garbage disposal, look at the drain hose that runs from the dishwasher to the disposal unit. unclog a dishwasher drain