Edward H Largo , FL January 06, 2015 Appliance: Maytag Undercounter Dishwasher MDB7809AWQ1 Maytag Dishwasher Mdb7809awq1: Panel quit working. How to replace Control Panel (User Interface Console). Most posts said that it took between 30 and 60 minutes to switch out the new panel. It only took me 15 minutes, and I don't consider myself especially proficient at appliance repair. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes