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The LG Microwave Magnetron is the core component responsible for generating the microwave energy that heats your food. It works by converting electrical power into high-frequency electromagnetic waves, which are directed into the microwave cavity to raise the temperature of food and liquids. Without a functioning magnetron, your LG microwave cannot produce any heat at all. LG microwave magnetrons can fail due to age, overheating from blocked vents, running the microwave empty, or damage to the internal filament or antenna. A worn or burned-out magnetron will cause the microwave to run normally in every other way but produce little or no heat, making it one of the more common reasons a microwave stops working effectively. Look for these symptoms to help determine if the magnetron is the source of your problem: - Microwave runs but food stays cold or barely warms - Humming or buzzing sound during operation without any heating - Burning smell or visible scorch marks inside the microwave cavity - Microwave trips the circuit breaker or blows a fuse when in use - Sparking or arcing inside the unit during a heating cycle - Display and turntable work normally but no heat is generated - Microwave shuts off unexpectedly during operation due to overheating
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🇺🇸 Ship from USA · On Agora since 2026
$133.95