Shut off the power to the dishwasher. Take a look at the drain path. The wiring on the drain pump should be checked if the drain path is clear. Remove any wires that are loose. If the wire harness is damaged, you should replace it. The drain pump wire harness has a cut-off. If the thermal cut-off fuse blows, replace the wire harness. The drain pump needs to be replaced if the wiring is intact.
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