Question about Jenn-Air JMV8208A Microwave Oven

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JMV8208AAS Jenn-Air runs all by itself

I was changing the interior bulb on top of the microwave today and upon replacement it blew out the new bulb. I replaced it a second time and now the microwave runs when I close the door and will not stop until I unplug it. I have tried every button and switch on this thing and it will not stop until I unplug it? When it is running (all by itself) you can still program it to run and you can hear it kick in as if it is cooking, it beeps like the cycle ends, still does not turn off......HHHEEELLLPPPP. I have no idea what happened.....any suggestions.

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Re: JMV8208AAS Jenn-Air runs all by itself

Check the door connection. it may be stiking. unplug from the wall and open up, spray wd40 and give it a clean.

Posted on Apr 24, 2009

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My Jenn-Air microwave JMV8208AAS will not heat the food and when turn on it makes a loud humming sound.

This is most likely the magnetron, the high voltage capacitor, or the power diode.

For an explanation on how these things are repaired, check out this website.

If all else fails, call an Appliance Repair Technician.

Dec 09, 2010 | Jenn-Air JMV8208AAS Microwave Oven

1 Answer

Interior bulb went out , and it's an over the counter mount. How do I get to the bulb ?

Remove the top grill cover by gently pulling out on it and down on the right side. Remove the filter that is in the middle. Look at the metal cover, push back on the plastic tab and pull the metal clip toward you. You can now gently lift the cover off expsing the lightbulb and replace it. Simple and easy, no tools needed.

Dec 13, 2009 | Jenn-Air JMV8208AAS Microwave Oven

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My jenn-air microwave makes a LOUD humming noise

More than likely the power inverter board has been damaged and it would be best to stop using it immediately.

Jenn-air products are very good quality and quite expensive to replace. I would contact Jenn-air service and have a service tech dispatched to determine the exact problem and the cost to repair it. Jenn-air stands behind their product 100% and should be able to repair the unit for you.

Follow this link to Jenn-air service and repair.



Jan 02, 2009 | Jenn-Air JMV8208AAS Microwave Oven

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Jenn-Air Microwave Bulb and Filters Inaccessible - Design Flaw - Help!

It's not a design flaw. The microwave was incorrectly mounted.

The installation instructions (installation kit) included a template for proper alignment of the microwave on the cabinetry.

If it had been aligned with the template, the two top grill screws would be easily accessible.

The grille must be removed to access the lights and the charcoal filters, which should be changed every 6-12 months if they are used.

If they are in place and not changed regularly, critical ventilation and cooling can be affected.

Your owner's manual can be downloaded free here, and it shows you how to change the bulbs and filter.

It will have to be remounted properly.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Nov 06, 2008 | Jenn-Air Microwave Ovens

1 Answer

Odor of burned popcorn!!

The smoke has permeated the works, so a more aggressive cleaning will be needed.

There are many good suggestions for cleaning and deodorizing microwaves here.

We're happy to help you and we'd appreciate your thoughtful rating of our answer.

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1 Answer

JennAir microwave JMC7000ADW lightbulb replacement

their is a panel up near the top on the right hand side of the interior cabinet just remove the screws and put in a new bulb

Jan 28, 2008 | Jenn-Air JMC7000 Microwave Oven

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