Dishwasher not washing properly? This video demonstrates how to test a circulation pump on a dishwasher. The circulation pump sends water through the wash arms, so a defective pump could cause the dishwasher to wash improperly or not at all.
Other commonly replaced parts for a dishwasher that won’t start are:
Thermal fuse
Door latch
Main control board
Touchpad and control panel
Touchpad
Timer
All of the information provided in this part testing video is applicable to the following brands:
Asko, Bosch, Frigidaire, GE, Kenmore, KitchenAid, LG, Maytag, Whirlpool