Jenn-Air Microwave Not Heating, everything else works


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Old 08-06-18, 01:12 PM
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Jenn-Air Microwave Not Heating, everything else works

I have a Jenn-Air double oven. The microwave is not heating. It starts fine, the turn table spins but at the end of the cycle food is not heated at all.

What could be wrong? How do I diagnose this? The double oven is inside cabinet. Do I need to pull the whole appliance out? Or is there a way I can remove microwave separately to get to the parts?

Thanks in advance for your help!

Model # of my double oven is JMW2427WB00
 

Last edited by ise_disp; 08-06-18 at 02:02 PM.
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Old 08-06-18, 02:02 PM
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Model # of my double oven is JMW2427WB00
 
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Old 11-03-18, 09:37 AM
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Any ideas? Still broke! Please help.
 
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Old 11-03-18, 12:12 PM
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Old 11-03-18, 02:16 PM
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Sorry for that un-excusable delay. I occasionally don't see threads.

Where do I start. It looks like the entire unit must be removed to be serviced.
I see it's an electric oven/microwave combo.
There are several major components in the microwave section that could cause your problem......
1) magnetron - $185
2) inverter board - $225
3) main control board - $125
4) microwave power control board - $250

Microwave ovens for the most part aren't user serviceable due to their complexity and the high voltage they operate at. If you are seriously considering servicing it yourself...... I'll help you but you'll need to purchase a service manual. Most run about $15 and are directly downloadable from online sources. I can point you to it if wanted.
 
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Old 11-03-18, 04:14 PM
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PJmax,

Thank you. I will contact a local repair company.

If I have to pull out the whole thing, it is too heavy for me.
 
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Old 11-03-18, 05:18 PM
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There's probably a thermal fuse mounted on the magnetron that's put there specifically to protect it from overheating. I've had one burn out and the only thing that it disabled was the magnetron. I got the part number off the old fuse and ordered a replacement drop-shipped from China for about $20, shipping included. Just be careful, there's a pretty highly charged capacitor in there waiting to bite you.
 
 

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