Jerry J Parker , CO August 13, 2018 Appliance: General Electric Microwave JVM2052SN1SS Ge Microwave Jvm2052sn1ss: Not heating. How to replace Fuse. It started with a loud pop and then an unusual humming sound. From reading your other fixes, I saw that the most common fix was the diode. Ordered diode and replaced it and all good. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes