Stephen H Tucson , AZ July 12, 2020 Appliance: General Electric Dishwasher DDT595SGJ0WW Ge Dishwasher Ddt595sgj0ww: Would not start, indicated door not closed. How to replace Dishwasher Main Control Board. Door switch tested OK. The main control board LED was off. The new board fixed it. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes