It;s very important for the internal cooling fan to run while you are microwaving.
If not, then the magnetron can be destroyed pretty quickly.
If it;s less than 30 days since you bought it, your dealer will probably exchange it.
It's is longer, but still in warranty, you should contact an LG-authorized servicer in your area.
For
Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat
8-5 CT) and choose the appropriate prompt from the menu or visit here.
L.G. / Goldstar owner's manuals can be downloaded here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Do you feel air flow? That's the key.
Most microwaves have the exhaust fan assembly at the back edge, not up front immediately behind the grille / vent.
Post back if you can give us more detail or have other questions.
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