Our neighbor gave us this used dishwasher, the Whirlpool DU915PWPS0. I've read a lot of negatives about it, but decided to install it anyway. Now it's installed, and it's not working. No lights, no nothing. It seems it's not getting power, but I'm a retired electrician, and measured power all the way to the wires with my meter.

I'm guessing it's the thermal fuse, but that's just a guess.

How does one take apart the door to get into the thermal fuse area? Is it just removing all those screws around the inside edge of the door?,,the ones with the torx heads?

Okay, I managed to remove the inner door, and gained access to the control panel area and the thermal cut off fuse. I metered the fuse and found continuity, so it looks good. I metered for voltage at the door latch, and found 120. I checked the operation of the switches on the latch, and found them to be okay. It's beginning to look as if the control panel, which has three 24V relays on it, may be the problem. I read somewhere that the relays might have developed bad contacts, so I'm going to try to test them.

It's just puzzling, having power, but nothing lighting up.

I'm a retired electrician, so I know my volts and ohms. Please help me to know what is the definitive test for this control board, to tell if it's good or faulty?