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Re: Buzzing sound when you turn on .also smells like...
The magnetron is failing, "heats food" and in some cases gives off a burning smell, "classic symptom" repairs will run close to a new microwave oven or more.
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Something is burning, there are high voltage parts in a microwave oven and they wear out. You probably need a new diode. Part number WPW10492276 google it
This is most likely a defective magnetron, especially with the burning smell. There are two other parts that can be a problem, the high voltage capacitor and diode, all three work together to heat food. If the magnetron is the culprit, probably cheaper to replace the microwave oven.
When the oven does not heat, the problem is usually due to the magnetron failing. It the part that generates the microwaves that heat the food. It fails by shorting out causing a loud buzzing noise. The burning smell is the being magnetron overloaded due to the short. It not worth fixing since the replacement cost of a magnetron is close to the price of a new oven. Sorry.
That is the Magnatron or the Hi-Voltage transformer. If I could smell it I could tell the difference. The transformer will produce smoke more so than the Mag. Eric
please dont use this microwave any more its about to go with a very bigbang and maybe a bright flash??? my bet is the capacitor is leaking, thats why it smells? realy what you have here is a fire wating to get started, fed by the 1000,s of volts stored in the cap thats just bursting to get out, and its going to very soon, all in one go too!!!! trust me,,, when the cap blows its going to sound like a very big rifle has been fired off in your kitchen, and if you think it smells now???? wate and see what it smells like after its gone bang!!!! its a comon fult,,,,,bump it now!
If it buzzes real loud it's probably the high volyage diode. However some times if it smells it's the transformer. Usually the diode is a cheap fix ~$10.00 but this model the diode is $50. It's number 50 on the link below. Let me know how it works out or you need anything else.
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