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Why-is-my-new-microwave-not-heating, problem – you attempt use your microwave and instead of heating your food it just makes a buzzing noise. it is likely that it has a defective capacitor. a capacitor is a device that stores electricity. a microwave oven usually has a high-voltage capacitor that is central to the operation of the unit.. Check the power. verify the power cord is connected to a grounded, operational outlet. check the outlet. if you are unaware if it's working, plug in a household lamp or other small appliance to verify that the outlet is working., a microwave that does not heat up may have a broken magnetron. this is the part that makes the heat to cook the food. if it is broken, it may blow a fuse in your microwave which could lead to other components failing..

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., 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..

I threw out my old microwave today because it just stop heating food and brought a emersom 900 watt microwave and its not heating anything.either its not on defrost is this an electrical problem or coincident, 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..

Detecting the malfunction and troubleshooting. check the power supply voltage. when the voltage drops below 215 volts – the microwave does not heat the food well enough.

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