Maybe you mean MAGNETRON ... replacing the magnetron is not difficult if you are mechanically inclined .. the problem is getting a proper replacement that doesnt cost more than the oven .. there are also other things that can make the magnetron look bad ... diode, capacitor, transformer,triac and thermal switch ... but if you are sure the magnetron is bad then make absolutly sure the power is not connected before doing anything .. the voltage and current inside the microwave can be fatal if its plugged in ... the cover comes off with just a few screws (top sides and back) .. inside you will find the electronics and a fan that blows on the magnetron's fins .. there is a plug at the bottom of the magnetron that just pulls out ... there are 4 bolts at the top that hold the magnetron in place .. you may have to lossen the transformer or other things like panels to make room to remove the magnetron.. observe how the magnetron was oriented and install the new one the same way .. if you are not skilled in this sort of thing then it is far better to get someone to help you that is .. many ham radio operators (general class and above) have at least knowlege of how this works and how to work safely ..
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: Setting clock on Jenn Air M166 built in microwave
sure..push clock pad twice..set time..push stop/start
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.
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: jenn air microwave jmv8208bas The light
From the service manual:
The top full-width grille is removable for service to some components, such as: humidity sensor, oven light, door removal, flame sensor, vent motor capacitor, fuse, control panel, and stirrer motor (some models).
Grille Removal
1. Disconnect power to oven.
2. Remove screws located in front on top of microwave securing grille.
3. Pull outward on the top portion of the grille releasing the tabs.
4. Reassemble in reverse order.
The oven lamp part original number is 4713−001165 but you can get it locally (generics) at hardware stores, appliance parts stores, etc. It's a common 20 watt halogen bulb.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Hi,
Here is a tip that will help you to figure out what is wrong with your Microwave Oven....
Basic Microwave Oven Troubleshooting Tips
heatman101
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