Question about Jenn-Air JMC7000 Microwave Oven

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How do you install a magnitron in a microwave, jenn air M439W model

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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

SOURCE: Setting clock on Jenn Air M166 built in microwave

sure..push clock pad twice..set time..push stop/start

Posted on Mar 23, 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: 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

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