Question about Jenn-Air Microwave Ovens

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I have a Jenn-Air oven microwave combo, #JMW8530DAB no lights on, showing the #19 on screen, none of the buttons react to touch.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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MicrowaveSvc
  • 9047 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

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SOURCE: No power on Jenn-Air JMC 7000 ADB Microwave

I have the same problem every time I use the oven for a long time and then use the micro.
Solution is simple, yet unbelieveable.
This is a toggle switch. It is located on TOP of the oven box.
It is almost impossible to reach...but once reached, all you have to do is push it and it resets the micro.
1-remove the "frame" around the micro.
2-pull the micro out (use 2 people) far enough so that you can reach your hand - or I use a wooden yardstick- to toggle the thing. It is VERY tiny.

Posted on Mar 24, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: jenn air microwave oven door handle

You can find helpful exploded view diagrams for the similar model M438 here: http://tinyurl.com/gv383

The model M437 is not listed, but the M438 is, and it should be similar enough to guide you. Just don't count on the part numbers being the same.

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

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

cf973d6.jpg

Posted on Mar 30, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Removing a built in Jenn-Air Microwave from it cabinet...

First of all, what are the symptoms? Please reply back and I'll be happy to share my thoughts.

Many parts can be accessed without removing the oven from the wall by just removing the control panel.

You need to be sure the cord is unplugged, then you remove the vent grille that runs across the top.

Then you'll see a screw holding the control panel in place. Once that screw is out, you can lift out and out carefully to separate the control panel form the chassis.

If you pull any wires off the control panel, mark and/or photograph them first to be sure you get them ALL back in the right place.

There may also be a "mini-manual" hidden inside the unit behind the control panel, which is very helpful when troubleshooting.

Before you start, we have *critical* safety & disassembly info at our site. You'll find a link to our site in our listing here on FixYa: http://tinyurl.com/yzjozk

While they don't have their installation instructions online, the owner's manual is online here.

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

Posted on Mar 31, 2008

  • 2 Answers

SOURCE: JMC7000ADW Blows circuit breaker

I've had this problem twice with our microwave. The hint to where the problem lies is that the breaker blows when you open the door at times. Inside the microwave are three microswitches; primary and secondary interlock micro switches and an Interlock Monitor switch. The switches are supposed to shut down the microwave if it is running and the door is opened. But, I've found the upper primary switch can stick internal at times and when the door is opened the stuck switch will, because of the way it is wired as a safety switch, cause either the fuse or possibly the main circuit breaker for the oven to pop. The reason the stuck switch blows the breaker or fuse is when the door is opened the interlock switch will cause the neutral wire from the AC power to be applied to the Upper Primary Interlock switch which normally should be open when the door is opened, but if the switch is intermittent or the contacts weld themselves shut the neutral line is connected direct to the "hot" side of the power line through the fuse and thermostat. The first time my microwave failed the switch had melted the contacts together inside the switch and the second time the switch became intermittent and would blow the breaker to the over ever so often. I suspected the switch the second time this happened and utilizing an ohm meter I checked the switch several times by opening and closing the door and once in a while it would remain closed instead of opening when the door was opened. Of course while trouble shooting the power cord to the microwave must be disconnected and use all safety precautions when working around the high voltage areas inside the microwave. I wrote Jenn-Air about the bad switch and the way it is wired into the circuit, but never received any acknowledgement. I suspect these microswitches are under rated for the amount of current that passes through the switch, thus they overheat and eventually arc the contacts together. I hope this helps explain the intermittent problem and could explain many of the intermittent blown fuse problems I see in these internet help sessions

Posted on Oct 11, 2008

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http://www.fixya.com/support/r5508031-microwave_oven_basic_troubleshooting

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I have a different Jenn-Air built in microwave & oven combination but I'm sure my solution will work for you as well.

My microwave was plugged into an outlet located on the top of the oven. This outlet has a "circuit breaker" that tripped while we were using the self cleaning feature on the oven. You just need to reset the breaker button right next to the wall oven outlet. Why it tripped is a mystery since the microwave was not in use at the time. Bad design.

Of course, getting to the reset button is your only challenge. You need to pull the microwave and oven out of the wall/cabinetry in order to get to it. The unit is heavy so you will need help. Or, call a certified repairman and they should be able to do this for you in 30 minutes or less so the service call should not run you more than @$85 if it is no longer under warranty.

I would also suggest you contact Jenn-Air to complain about this issue and seek reimbursement from them if necessary.

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