Stuart P Mount Pleasant , SC November 04, 2015 Appliance: General Electric Free Standing Microwave JNM1541SM1SS Ge Microwave Jnm1541sm1ss: My ge microwave would not rotate or heat even though the clock and lights worked. How to replace Door Interlock Switch. I replaced one of the three door switches, fairly easy to install. After removing the back panel (lots of screws) it took about 15 minutes to replace. Microwave is now good as new! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes