Robert A Fairfax , VA August 25, 2017 Appliance: Maytag Undercounter Dishwasher MDB7609AWB1 Maytag Dishwasher Mdb7609awb1: Sart button would not work on dishwasher but all other buttons worked. How to replace Control Panel. After some research I found others having the same problem (all buttons worked except the Start button, and the system would work using the "Reset" / "Test" button combination - although I forget the combo). 92 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes