Fix Microwave Door Switch

Locate and remove the one philips screw that holds the control panel in place.

Fix microwave door switch.

As with most microwave inspections begin by unplugging your appliance. A primary secondary and monitor switch all actuate to keep the microwave from cooking your kitchen while the door is open. The door switches often referred to as primary or secondary interlock switches provide power to the various components in the microwave when the door is in a closed position and interrupt power when the door is open. Most door latch assemblies are made of plastic hooks that stick out of the door and engage the door switch when the door is closed signaling the rest of the controls to power the microwave.

Remove two philips screws that hold the grill in place on top of the microwave. Microwave door switches are normally mounted to a bracket near the door latch. The microwave can only work if the door is shut and the switch is latched. A door switch is a simple on off mechanism that prohibits the microwave from operating when the door is open.

How to inspect a microwave door latch assembly. My microwave would light up and the timer would count down but it would not heat or the turntable would not move. The interlocking door switch on a kenmore microwave oven is a basic safety component that turns the microwave on and off depending on the position of the door. If your microwave oven won t start you may have a problem with a door switch.

Remove and replace the switches then reassemble the microwave in reverse order. The three door switches are easily accessible. Remove the two screws holding the latch bracket pu the bracket out that s holding all the switches. Most are black in color and all have metal prongs called terminals extending out from the body of the switch.

Remove the grill and lay aside. How to repair a microwave oven door micro switch fix replace or repair if having micro switch problems you may be able to fix it. I determined one of the door switches was b.