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Kenmore Microwave Hood Combination: over the stove Model #721.80602500

This equipment was working fine. I bought it in June 2007. Today I used the timer while preparing Thanksgiving dinner. Now the display shows the cook time numbers I select and the default 100 level power correctly. When I push 'start' everything looks and sounds correct but no heat even though the cook time declines as it should. All functions seem ok but just no heat. Was trying to heat some milk to sip before bed. Drat!
I appreciate your help. K

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Re: Kenmore Microwave Hood Combination: over the stove...

Disclaimer: I'm a DIYer, not a technician.

Our GE over-the-range microwave stopped producing heat yesterday while warming part of the T-giving feast. Everything else (fan, control panel, light) works fine.

After disassembly and testing last night, I discovered a defective "secondary door switch." Your Kenmore uses a similar switch (~$19 on-line), and that might be the problem. But it also could be other things, such as a bad thermal cut-out.

If you know anyone who's handy with a multimeter, most of the basic diagnostics seem to be pretty straightforward.

Posted on Nov 23, 2007

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