Dishwasher won’t start or won't turn on? This video demonstrates how to test a two terminal switch on a dishwasher. The door switch (or interlock switch) is a commonly replaced part for a dishwasher not starting.
Other commonly replaced parts for a dishwasher not starting 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