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Microwave-not-heating-as-well, 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. how to test microwave magnetron with a multimeter:. 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., customer sent to me a campomatic brand microwave oven with the complaint of not heating properly. what i did was to put in a cup of water and set the timer to 20 seconds and let it run..

New well explained video here if your microwave works, has power and timer runs but there is no heating, the most common problem..., my lg lmv1813 microwave is 10 months old and suddenly stopped heating food. it runs and sounds like it's working normally, but food remains cold. i only paid about $250 for the microwave, so i'm not even sure it's worth fixing. thanks for your help. adam.

Make sure the cooking vessel is placed in the center of the microwave. verify the turntable tray is rotating when in use. see also, microwave malfunctioning. if these steps do not resolve the issue, no further troubleshooting advice is available., 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... - microwave.

For anyone interested, i did finally fix this. replaced 3 door switches to no avail. further checking while it was apart revealed that the door wasn't closing 100%, so one of the door switches (interlock #2) wasn't engaging. top part of door looked spread slightly, which seemed to be what was... - microwave, get shopping advice from experts, friends and the community! i bought a kenmore brand microwave, model 721.66339 two year ago. i use the microwave to heat up the food and water daily. but today, i tried to heat up a cup of water as usual. i saw the microwave was running (the light was on and the turntable was moving) but the water was still cold after one and half minute..

My microwave takes much longer to heat things up - answered by a verified appliance technician

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