One of the most typical reasons your dishwasher refuses to drain correctly is because of a obstruction in the drain line. This drain line, or drain hose, flows water out of the dishwasher tub at the end of a cycle. If the drain line is clogged, water can’t flow out of the tub. Get in touch with the Service Experts Heating & Air Conditioning pros at 901-235-1196 for plumbing services in Memphis.