The relay switch may also be known as the door micro switch and is a part for your microwave. The function of this part is to monitor the door latch and communicate whether the door latch is open or c...
PF alarm appeared on display. Noticed clicking when cord was moved. Had arced for some time and melted original block. New part slightly different. Only has 3 lugs, old one had six. Stack using washers provided. Take note of colors before disassembly. Use caution while working through access opening. The edges are sharp. Only tools needed are phillips screwdriver, deep socket for lug nuts. Nut driver optional. Hope this is helpful.
I first removed the top plate above the microwave door (3 screws), then I removed the plate containing the buttons and clock. The microwave has 3 relay switches and they are in a little holder. The holder was too difficult to remove so I just removed the bottom switch and replaced. The microwave started right up.
Turned power off at electrical panel. Pulled oven away from wall. Removed back cover (6 screws), then unplugged wires from old receptacle. I had to pull the squeeze clips backwards & break them to remove the old receptacle - couldn't squeeze them enough to remove them otherwise. The old receptacle came out through the inside of the oven, and the new one snapped in easily from inside the oven as well. Replaced wiring, installed new bulb, restored power & tested. Replaced back cover. Good time to vacuum under/behind where the oven usually lives before sliding it back to the wall.