My dishwasher completely lost power mid cycle. There is power at the door switch and the switch does transmit power to the control panel From the control panel, I do not know how to trace power because of all the elecronics. on the circuit board.
Here are your parts, includes a wiring diagram.
Parts for Maytag MDB7100AWW Dishwasher - AppliancePartsPros.com
[COLOR=“Blue”]the switch does transmit power to the control panel[/COLOR]
Odds are that the control board is toast.
I am assuming that by “transmit power” you mean that there is 120 volts between BK and WH at the control board.