From the description it is the magnetron, it will be expensive for the part alone, and keep in mind shops have different rates making impossible to give exact quotes, but I would estimate parts and labour at least $250.00 or more, if you decide to go with the repair make sure the magnetron is not a aftermarket product it will last about 6 months.
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: Replace a magnetron tube
Magnetrons cannot be 'repaired,' only replaced. While the cost of them has decreased by about 75% over the last couple of decades, the parts you receive are often inferior to the original and will show this only after installed and operating and then the time required for different tasks may be much longer. Unless there is something unique about the unit, I advise replacing it.
SOURCE: exaust fan has weak suction on maytage mmv4205baw
This is due to poor air flow, either to a blockage or a problem with the internal cooling fan or hood vent exhaust fan.
Are the grease filters or charcoal filter clogged?
You may want to check your owner's manual for info on checking the filters. Grease filters can be cleaned, but charcoal filters must be replaced about every 6-12 months.
The installation manual will tel you if there's some error in the installation setup.
You can download Maytag
owner's manuals and installation instructions here.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
SOURCE: Microwave not heating, works otherwise but with grinding noise
With the symptoms you
have, I would most strongly suspect a shorted high voltage rectifier
diode or a bad magnetron.
If you or someone you
know
decide to look into it, we have critical safety information and
disassembly information at our Web site.
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.
Also 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.
You can find
helpful exploded view diagrams and order parts by entering your full
model number 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 or burned, it's
probably okay)
http://www.gallawa.com/microtech/mag_test.html
NOTE: Since it's within the magnetron portion of the warranty (usually 5-9 years)
but out of the original full warranty (usually 1 year), then your
manufacturer will cover the part cost, but not the cost to visit you or
the labor charge to do the work.
Some manufacturers will
send you the magnetron to do it yourself. If
nothing else, you can save about $75 for a home visit by taking it to the shop yourself.
To remove it from the wall, the installation instructions are very handy, and it's best to have
two people since the microwave can be heavy and awkward.
Whirlpool customer
service is here and you can also enter your
model number on that page to download your owner's manual, installation
instructions, etc..
We're happy
to help you with free advice and we'd appreciate your thoughtful rating
of our answer.
SOURCE: Maytag MMV5156AAS Microwave won't heat and has hum/buzz.
A failed diode isn't the most common failure, but it happens. And sometimes it's due to bad magnetron or a bad connection.
If the capacitor fails, it almost always shorts, which results in a blown fuse whenever you hit "Start" to run the microwave.
The magnetron on this model should have a 5-year warranty, in case that's relevant. Your owner's manual is here.
We have
the service / repair manual for this model and have uploaded it to our
site here to help you.
It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.
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 or burned, it's
probably okay)
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html
http://www.gallawa.com/microtech/cap_test.html
There
should also 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.
You can find
helpful exploded view diagrams and order parts here.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
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