Question about Jenn-Air JMV8208AAS Microwave Oven

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Jenn air microwave model jmv820aas shut down completely, what do i do?

Vent was on and time was being set ,then it just shut down

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  • Jenn-Air Master
  • 9,098 Answers

I'm guessing you might mean JMV8208AAS?

If so, then the service manual is at our site here.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel which is very helpful when troubleshooting, testing, and locating components.

jenn air microwave model jmv820aas shut down compl - mini_manual_behind_grille_small.jpgdee77f7.jpgAt our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

You can order Jenn Air parts here.

Your problem will be either the line fuse, or one of the thermal cutouts / TCOs in the unit.

In case it needs circuit board repair, see this link.

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

Posted on Nov 28, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9098 Answers

SOURCE: Jenn-Air JMC7000 Microwave Stopped working

So it's dead? (No display, no inside lights, no beeps?)

A microwave can be dead for many reasons.

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the thermostat to open. When it cools, it closes the circuit and allows power through again.

If it's random, it may be a bad connection, usually on the control board or fuse holder.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If the fuse is good, it may be an open thermostat or thermal cutout on or near the magnetron or on top of the cavity / body of the oven.

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

You can find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

Please write back with more details if you need further help.

We appreciate your thoughtful rating of our answer.

Posted on Nov 18, 2007

MicrowaveSvc
  • 9098 Answers

SOURCE: Front vent on JMV8208A Jenn-Air Over-the-range microwave hood keeps opening

There may be an option to turn that off with the keypad, but your best bet would be to contact Jenn-Air.

The manual will have their contact info or you can see: http://www.jennair.com/content.jsp?name=contact_us

You can download the owner's manual and installation manual here:
http://shared.whirlpoolcorp.com/product_literature/search_results.jsp?searchTerm=JMV8208A&siteCd=JA_EN_US

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

Posted on Dec 04, 2007

MicrowaveSvc
  • 9098 Answers

SOURCE: JENN AIR MICROWAVE FUSE (JENN AIR MODEL M167)

The fuse holder may be loose.

With the microwave unplugged, if you can easily turn the fuse with your thumb & forefinger while it's in the holder, it has overheated and fatigued and should be replaced.

Simply squeezing its terminals together with pliers is not really a good solution.

When a connection is loose, heat results, which eventually melts the fuse internally.

This is usually evidenced by a very tiny ball of solder at the point where the end cap meets the body of the fuse.

You can use a generic holder - it's a lot cheaper than ordering one. The connectors should be 1/4" tabs and it should be rated at 20 amps or better.

You should be able to get one from a home center or local appliance parts store.

If it's not loose, then it may be a failing magnetron or high voltage transformer pulling too much current.

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

Posted on Apr 12, 2008

SOURCE: JMV8208 BAW Model 30" Jenn-Air Convection/Micro combo

have a good look at front to see reset??.press it once it comes back on unplug from the wall and & open it up and go to the part and give it a good clean with wd40, check the push pad for ware & tare dirt gathers and builds up

Posted on Apr 24, 2009

  • 4088 Answers

SOURCE: HOW TO REPLACE BLOWN FUSE

Look for a reset button on the back--push to reset. If trips again, unit has probable short.

Posted on Jul 12, 2009

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My sharp R409Y*A microwave overheats after 4 min every time and shuts itself off for a few min. It will turn itself back on, but if I use it right away, it will shut itself off again quicker.


I would say your cooling ran is not running, or your vent holes are blocked, or (if equipped) a filter is blocked.

Without the cooling fan, the magnetron overheats and its TCO (thermostat) shuts down all power to the oven until it cools back down to a safe temperature, then power is restored.

Feel free to e-Mail me at pupista@gmail.com if you need more free advice.

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For the Jenn-Air Model JMV8208AA The microwave was dealer installed and is room vented. The vent does not pull vapors from the cook top of the oven. Regardless of the venting level used, the pull...


Sorry to read about your problem, I hope this helps you out.

Well first of all I would take a piece of paper or newspaper, and put it up by the vents, the paper should be sucked on by the vent.. If it does that you have suction. if it does not hold the paper, you should get a warranty repair, i am assuming this new.

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I tried to help you. Please help me and Rate/Vote on my response. We take the time to answer your question. take the time to rate us.Thanks and good luck

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