Stephen S Farmingdale , ME October 08, 2021 Appliance: General Electric Dishwasher PDW7880G00SS Ge Dishwasher Pdw7880g00ss: Would not start just beep. How to replace Dishwasher Main Control Board. Went on Online and read the problems with the Machine. Ordered a new machine control board. Plus, a new water inlet valve. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes