Question about Microwave Ovens
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Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
Posted on Nov 26, 2007
Most common problems for no heat are bad magnatron, diode or capacitor. With the high voltage in play you should have an experienced technician check it out. Check your owner's manual because some manufacturer's give 5-7 yr. warranties on the magnatron.
Posted on Oct 07, 2007
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