Charles A Louisville , KY April 12, 2020 Appliance: General Electric Dishwasher GDF570SSJ0SS Ge Dishwasher Gdf570ssj0ss: Would not start after pushing the start button. Door read as opened start button flashed continuously and would not operate. How to replace Dishwasher Main Control Board. After checking the door switch for continuity and the mainboard for 110V. Realized that the mainboard blinked 3 times. Turned off power at the circuit breaker. Changed mainboard and dishwasher worked. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes