Kathryn N East Meadow , NY July 06, 2015 Appliance: Maytag Undercounter Dishwasher MDBH989AWS1 Maytag Dishwasher Mdbh989aws1: Control panel would not work. How to replace Control Panel (Electronic User Interface). My son replaced the panel in approx five minutes and it works fine. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes