This video demonstrates how to test a heating element on a dishwasher. The heating element is a commonly replaced part for a dishwasher that won’t dry dishes.
Other commonly replaced parts for a dishwasher that won’t dry dishes are:
Vent Vent fan motor
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