Our microwave is not heating. Everything else seems to be functioning normally.
SOURCE: microwave won't heat.
Magnatron is suspect. Need to put a voltmeter and see if the input (primary) side to the high-voltage transformer (big heavy iron thing in there) is getting 120Vac. Don't touch the other (high voltage) side of this transformer. If the power is there, you are looking at replacing the magnatron. Its affordable if you do it yourself - buy the part on EBAY - lookup "universal magnatron"
SOURCE: Microwave won't heat food.
This would be under warranty, so Maytag should take care of it for you: http://maytag.com/support/index.jsp
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: My Maytag MMV4205 Microwave Oven runs but does not heat
With the symptoms you
have, I would most strongly suspect a shorted high voltage rectifier
diode or a bad magnetron, or a loose and possibly corroded connection on the magnetron's terminal.
The diode is a fairly
cheap fix, and the mag will cost more.
If you or someone you
know
decide to look into it, we have critical safety information and
disassembly information at our site, and our link is at our listing here on FixYa.
There
should be a "mini-manual" (tech sheet) hidden inside the unit
behind the
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting, testing, and locating components.
At
our Web site, we have a video
available showing how to remove a typical
over the range control panel assembly in under 5 minutes.
If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.
Here are some links you
or someone you know can use for test help, but read their safety
warnings first:
http://www.gallawa.com/microtech/diode.html (if it's not shorted, it's
probably okay)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html
You can usually find
helpful exploded view diagrams and order parts by entering your full
model number here.
We're happy
to help you with free advice and we'd appreciate your thoughtful rating
of our answer.
SOURCE: mICROWAVE WILL NOT HEAT
23 month old. MMV4205BAS MAYTAG MICROWAVE. WILL NOT HEAT AT ALL. Lights work, turn table rotates, blower works. Everything else seem to work fine. Haven't done any troubleshooting.
Don H
SOURCE: Maytag MMV4184AAW Microwave not heating
If you are looking to repair this yourself (along with assoceated risks) to cut test time in half the first test point would be to check for both live and neutral feed to the high voltage transformer. If you have both live and neutral here then the control circuit is working and the fault will lie within the high voltage circuit.
Hope this helps
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