Bryan G Fleming Island , FL January 25, 2022 Appliance: General Electric Microwave JEB1860SM2SS Ge Microwave Jeb1860sm2ss: The fan turned on, when the microwave door was opened. How to replace Door Interlock Switch. I replaced the 3 door switches. None of the online videos were for my model. The technical support offered by this website was very helpful. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes