While a mechanical failure is possible, the most common culprit is a . Before you call a plumber or buy a new machine, take a deep breath. In most cases, you can diagnose and clear this blockage yourself with a few simple tools and a little bit of patience.
Place the disconnected end of the hose into a bucket. Run a short cycle on your dishwasher. If water flows freely into the bucket, the blockage is actually in your sink plumbing (the P-trap), not the dishwasher. If water doesn't flow, the clog is deep inside the hose. dishwasher drain pipe blocked