Terence C Columbia , SC March 06, 2022 Appliance: Whirlpool Undercounter Dishwasher DU850DWGB1 Continuous operation water not heating Noticed timer sticking during water heating parts of the cycle. Thermal safety fuse opened. Replaced timer, cam, heater and thermal fuse. Timer continues to the end of the cycle as designed. Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Adjustable Wrench, Screwdrivers