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Why-is-my-microwave-not-heating-up, the most likely reason why your microwave is not heating up is either the magnetron is damaged or the components that power the magnetron are damaged. mangetron assembly is the device that generates the microwave heat. so if you are sitting there and wondering why is my microwave not heating up, then the short guide here will help.. When your microwave turns on but does not heat up, it may mean the door switch is broken. the door switch signals other microwave components to supply power when closed, and to stop heating when open. the door switch can also be called an interlock switch., if your microwave oven doesn’t heat, you may have a problem with the high voltage diode or rectifier. this component helps provide the high voltage that powers the magnetron. the high voltage diode is located near the magnetron and the high voltage capacitor, so access will require removal of the cabinet..

One of the most frustrating appliance issues is when your microwave won’t heat. in this blog post, we’ll be outlining some of the most common causes for this baffling problem. before we continue, please be warned: microwave ovens can hold deadly amounts of electricity in the high voltage capacitor, even after they have been unplugged. to, warning!! always put safety first when dealing with electricity!!! microwave not working?? quick troubleshoot and what you may need to fix video! to support ....

Joshua, for the longest time the consensus on ifixit is to replace the whole unit. microwave ovens generate high voltages and dangerous amounts of radio-frequency radiation. attempting to repair one is not for the amateur. i advise recycling it and getting a new one. on the flipside of this, you... - kenmore microwave, when your microwave doesn't heat or start, it's probably in demo mode. however, there are some other things that can cause the problem such as door errors, an issue with the control panel, the setting being used, or not enough clearance..

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 magnetron won’t receive enough voltage to operate, preventing the microwave from heating. when the diode fails, it is often visibly burned out., 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..

My first thought would be a blown magnetron. on microwaves, these can generally go dead, usually with a popping sound. i think there might also be a fuse in your microwave, but i do believe that if it was a blown fuse, your mw would not start up. the technician should also not forget the door switch since some of them can cause the same issue.


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