Question about Roper MHE14XKB Microwave Oven

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Loud Bang, then Light Stays On, Can't Cook

While cooking something in my microwave, I heard a loud bang. The food was done, but now the light always stays on. I can enter a new cook time, but when I hit start I just hear beeps. It won't turn on. Is there any easy fix to this? Thanks.

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  • 105 Answers

Something has failed in the high voltage supply to the magnetron. There are no user serviceable parts inside, but there are INSTANTLY LETHAL voltages present. Scrap the oven & get a new one, they are generally not worth reparing.

Posted on Jul 16, 2007

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Posted on Jan 02, 2017

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I would say the high voltage diode blew.

If you or a friend decide to look into it, we have critical safety and disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk

You can get Sharp parts from Tritronics at http://www.wehaveparts.com

If it's not the high voltage diode, reply back for further help.

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