Tony R Homosassa , FL February 09, 2024 Appliance: General Electric Dishwasher GDF620HMJ2ES Ge Dishwasher Gdf620hmj2es: The control board was bad and the dishwasher was unresponsive. How to replace Electronic Control Board. I ordered the control board ( WD21X24900C ). The part arrived the next day and I replaced the board the following day. The panel is a plug-and-play part. We now have a working dishwasher. This was a great experience. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes