Philip C Algonquin , IL August 10, 2016 Appliance: Maytag Undercounter Dishwasher MDB7749AWQ2 Maytag Dishwasher Mdb7749awq2: Dishwasher would not start option lights only thing to light up. How to replace Dishwasher Thermal Fuse. Swamped out the control panel. Problem fixed. 70 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes