Nothing on the display responds except the control lock button dings when pushed. I ordered a new electronic control board and latch. The new control board showed errors on the latch and drain pump. I changed out the door switch and checked out the pump but nothing changed. Since the original control board and the new one did not respond the same, I ordered another control board. It responded the same as the original. With the front panel so unresponsive it is hard to diagnose anything. I have gone through the tech sheets and tried everything i can think of. Is the front control panel ,part # AP4538150 the next thing to try? Thanks