Repair Microwave Over Door Lock

How to inspect a microwave door latch assembly.

Repair microwave over door lock.

If you misadjust the switch the unit may start with the door not completely sealed. A primary secondary and monitor switch all actuate to keep the microwave from cooking your kitchen while the door is open. Remove two philips screws that hold the grill in place on top of the microwave. Use caution as the outer glass door may be heavy.

If the door hook is broken it won t relea se the door properly preventing the door from opening. Depending on the model involved the panels may be held in place with screws from the inside bottom or sides. The reason for the interlock is to prevent operation of the microwave and the resulting generation of microwave radiation while the door is open. Locate and remove the door latch assembly.

Visually inspect your door latch assembly for any signs of cracking wear damage or discoloration. Locate and remove the one philips screw that holds the control panel in place. Unplug the unit and remove the inner and outer door panels to access the torsion springs that are located at the bottom front of the door. If the door hook is broken replace it.

I would not risk trying to adjust repair or bypass the switch. Since the door hook is made of plastic it can break due to regular wear. For safety disconnect your appliance from the power source before beginning.