A dishwasher that won’t drain is a major kitchen headache. If you see standing water in the bottom of your machine after a cycle, the culprit is often a drain hose choked with solidified grease and food debris. Over time, fats and oils from your plates cool down and cling to the plastic walls of the hose, eventually creating a stubborn blockage.
Towels, a bucket, pliers (or a screwdriver), and a bottle brush or a long, stiff wire (like a straightened coat hanger). dishwasher drain hose clogged with grease
Place a bowl under the connection point. Use pliers or a screwdriver to loosen the clamp and pull the hose off the pump. Do the same at the other end where it connects to the sink or disposal. A dishwasher that won’t drain is a major kitchen headache
