David C Sarasota , FL July 22, 2016 Appliance: Maytag Undercounter Dishwasher MDB7749AWW2 Maytag Dishwasher Mdb7749aww2 / : Many of the buttons on the dishwasher panel did not work. How to replace Dishwasher Control Panel. Searched Google for help. Tested the door latch switch continuity - good, tested the heat thermostat continuity - good. Ordered a new control panel. After replacing the panel, all was working again. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes