: If the dishwasher drains into a disposal, a full disposal or a leftover knockout plug (on new installs) will block the exit.
Run the kitchen faucet until the water is hot before hitting "Start" on your dishwasher. Hot water breaks down grease more effectively from the very beginning of the cycle. clogged dishwasher drain line
Sometimes the problem isn't a deep clog, but a simple blockage at the entry point. : If the dishwasher drains into a disposal,
Prevention is easier than repair. Keep your drain line clear with these habits: clogged dishwasher drain line