Question about Microwave Ovens

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Burning smell or smell stuck in the vent?

I have a 7 yr old GE over-the-stove microwave and have recently noticed an odor. It doesn't smell like the typical electrical burning smell. In fact to me it's more of a sweet smell, kind of like maple. I had cooked some bacon the night before noticing this smell and I'm wondering if it could be that. It was a hickory smoked bacon if that makes a difference. I just don't want to dump the microwave if there's no reason to, nor do I want to buy a new one if I don't have to. Thanks

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  • Microwave Ovens Master
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Sweet smell from an electrical appliance is ozone cause fir high voltage discharge ( like the sweet smelling air after a lightning strike
take it in for a proper diagnosis

Posted on May 31, 2017

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Posted on Jan 02, 2017

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SOURCE: burning odor, no heat

A burning smell along with a different sound (growl) USUALLY indicates a breakdown in the High Voltage Side. This is not a direct short (short circuit) or the line fuse would have blown shutting everything down. The High Voltage Side is made up of-- The Secondary ,or High Voltage Side of The High Voltage Transformer, A High Voltage Diode, A High Voltage Capacitor, and The Magnetron. If The High Voltage Transformer is the problem it will smell like a florescent light ballast burning, and will smell each time you turn on the MW. A HV Diode burns and opens, thus no more smell. A HV Capacitor usually does not burn nor does the Magnetron. There is no Cheap-Fix unless you can see that the HV Diode is burned into and you can get to it to replace. CAUTION: Always unplug from power before attempting to repair. NOTE: If you replace a Diode make sure it goes back in the same direction it came out. Yes there is a front and back.

Posted on Jan 26, 2008

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Burning odor, no heat


A burning smell along with a different sound (growl) USUALLY indicates a breakdown in the High Voltage Side. This is not a direct short (short circuit) or the line fuse would have blown shutting everything down. The High Voltage Side is made up of-- The Secondary ,or High Voltage Side of The High Voltage Transformer, A High Voltage Diode, A High Voltage Capacitor, and The Magnetron. If The High Voltage Transformer is the problem it will smell like a florescent light ballast burning, and will smell each time you turn on the MW. A HV Diode burns and opens, thus no more smell. A HV Capacitor usually does not burn nor does the Magnetron. There is no Cheap-Fix unless you can see that the HV Diode is burned into and you can get to it to replace. CAUTION: Always unplug from power before attempting to repair. NOTE: If you replace a Diode make sure it goes back in the same direction it came out. Yes there is a front and back.

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GE PRofile Spacemaker XL Microwave Oven Model# JVM1460 950 watts


Sounds like the problem is in the high voltage. Most common would be magnatron, capacitor and diode. For safety reasons this should be checked by a professional. Look in your owners manual because some high voltage parts have a longer warranty than 1 yr.

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