The Door Interlock Switch is an OEM part for GE microwaves. It ensures the safety of the microwave by preventing the appliance from operating while the door is open. This switch is part of a microwave's safety mechanism, which includes multiple interlock systems designed to stop the generation of microwaves immediately once the door is opened, thereby protecting users from exposure to microwave radiation. Signs that it's time to replace your door interlock switch include the microwave not starting or stopping unexpectedly, the microwave continuing to operate with the door open, or a failure to heat food even though the appliance seems to be running.  Symptoms of a bad Door Interlock Switch include: Microwave does not start Microwave stops unexpectedly The microwave operates with the door open Microwave turns on but does not heat food This OEM GE part can also be used on Hotpoint, RCA, and Kenmore/Sears appliances. This part fixes the following symptomsWon't startWB24X10047 (AP2622452) replaces WB24X10029, 875092, AH237015, EA237015, PS237015, WB24X0815, WB24X10072, WB24X10113, WB24X815.