“Just received and started using my unit. From the first time heating it makes an annoying high pitch electric buzzing noise on top of the normal sound you hear from a microwave. Is this a defective unit or is that normal for this brand of microwave?”

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• I am seeing the exact same thing. I've returned 2 and am on the 3rd. I think it may be a quality issue with the model

  Answered by mandarc 4 years ago

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• Please contact LG Customer Support by direct message via Twitter (@LGUSSupport) or Facebook Messenger (https://www.facebook.com/LGUSA/). Please be sure to provide your contact information, model/serial numbers and date of purchase and we will be happy to assist you. ^Daphane

  Answered by LG Digital Customer Care 4 years ago

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