Ge-microwave-combo-not-heating, microwave runs but does not heat. if the microwave runs but is not heating, it could be one of many components. make sure the “timer” function was not inadvertently used.. Ge technique is famous for reliability and quality. and for ge microwave troubleshooting you just need a good manual in case of minor failure., ge model jtp85b0a1bb microwave (oven combo) will not heat. light, control panel and fan work. turntable does not - answered by a verified appliance technician. None of these fixes should be attempted by a novice. personally i won't work on one! cause 1 diode the diode converts the a/c power output of the transformer to d/c, doubling the voltage to nearly 5,000 volts. this high voltage powers the magnetron to heat the food. if the diode burns out, the... - ge microwave oven model lvm1750sm155, the igniter is the most commonly defective part for an oven not heating. the igniter has two main functions. first, the igniter draws electrical current through the oven safety valve to open it..
If the microwave still looks and sounds like it's working, but it's just not heating--that means your magnetron has likely failed. the magnetron is the part that actually creates the microwave to heat the food and it commonly goes bad and rarely gives a warning., start right here find appliance parts, lawn & garden equipment parts, heating & cooling parts and more from the top brands in the industry here. click on shop parts, or select the kind of product you're working with on the left and we'll help you find the right part. shop parts