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.
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.
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.
SOURCE: Microwave went POP and stopped.
probably not the fuse. If it is, then something caused it to blow as a fuse is a safety device. Since microwaves can be dangerous due to the radio waves, here is what I've done in the past. I had Sears come out and diagnose the problem. Before tech left, I told him I don't have the money to fix it now but will do it in a month or two. I had him write down the parts I needed and the part numbers so when I do want it fixed, I do not have to start at ground zero. He was glad to help. I watched everything he did, and since I work on commercial microwaves, amana, it was no problem for me to order the parts and do the repairs myself. My microwave is a 1200 watt over my stove.
Keep in mind that microwaves are getting so cheap, that you may want to look into just what a replacement will cost.
SOURCE: HOW TO REPLACE BLOWN FUSE
Look for a reset button on the back--push to reset. If trips again, unit has probable short.
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