Randall W Lake Ariel , PA September 22, 2019 Appliance: Maytag Undercounter Dishwasher MDB7749SBB3 Maytag Dishwasher Mdb7749sbb3: Dishwasher would not start. How to replace Panel-Cntl (Blk). Ordered a new control panel, installation was simple and corrected the problem. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes