Eric F Davidson , NC October 25, 2015 Appliance: Whirlpool Undercounter Dishwasher DU930PWPS2 Whirlpool Dishwasher Du930pwps2: Dishwasher door latch would not engage. How to replace Door Switch Kit. Replaced door latch switch Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes