Question about Jenn-Air M170 Microwave Oven
Does anyone know the interior cubic size of 1993 model Jenn-Air M167W microwave?
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Posted on Jan 02, 2017
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
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: Jenn-Air Microwave - no power
Had the same problem. Removed the unit (snapping off the upper and lower trim rings was a chore but they do snap off) and tested the power. Plug behind the unit was good. Pulled the cover and checked the thermal fuse with ohm meter. No good. Replaced fuse, microwave would run for a second, then light goes dim and it buzzes, then it blew the fuse. Per above suspected Capacitor. Changed that, and we are back up and running. Thanks!!
Posted on Sep 27, 2008
Whirlpool / Jenn-Air customer
service is here and they should be able to advise you on a "drop-in replacement".
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Aug 30, 2009
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