David J Naperville , IL February 26, 2021 Appliance: Model GE GDT655SSJ0SS Dishwasher had 3 beeps when pressing start and flashing indicator light on door Status light on main control board was OFF (not flashing). Replaced main control board as advised, installed per video and dishwasher is working perfectly, thank-you! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes