Question about LG Microwave Ovens
The cooling fans must be working and vents clear to ensure good cooling air flow.
Otherwise, the magnetron will overheat and it will shut down.
If this continues too long, the magnetron will be damaged.
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Posted on Jun 29, 2008
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Posted on Jan 02, 2017
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It may be that the high-voltage transformer or magnetron has failed and is loading down the voltage. The presence of smoke usually indicates a bad transformer.
I would try a toaster or toaster oven in that outlet to see if it works right. That's a good line load test.
If you don't feel good air flow, it can overheat and ruin the magnetron.
If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk
Aug 28, 2007 | LG LMV1650ST Microwave Oven
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