LG Microwave Not Heating? Here’s Why (+ How To Fix)

LG Microwave Not Heating? Here’s Why (+ How To Fix) LG microwaves have an excellent reliability rating based on a Consumer Reports survey that ran from 2011 to 2021. But what could cause these highly reliable appliances not to heat? These are the 10 most common causes of an LG microwave not heating: Power supply issues An active ‘Child Lock’ feature The ‘Demo Mode’ is activated Door or functionality errors An active timer instead of a cooking function Door switch failure A burned microwave

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