Dishwasher Not Starting? Three Terminal Switch Testing, Repair

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

Other commonly replaced parts for a dishwasher that won’t start are:

Thermal fuse
Door latch
Main control board
Touchpad and control panel

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
Find my part

Frigidaire Dishwasher Disassembly:

How your dishwasher works:

For additional repair advice and help finding your model number visit the repair help section of our website: Dishwasher repair help