Donald B St Louis , MO February 18, 2015 Appliance: Maytag Dishwasher MDB7600AWW Maytag Dishwasher Mdb7600aww: The control board did't work right. How to replace Control Board. I replaced the control board, the first one didn't work right but the replacement one worked Great. 5 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes