Unit was completely dead. Family member may have turned on the unit instead of the timer for extended time. Replaced fuses and thermostat, and the exhaust fan has turned on, but door panel still dark, so I can't turn it off or anything else on. Light still out inside as well. Continuity checks on door fuses pass. I think I've reached the limits of my ability to diagnose!
SOURCE: Maytag Microwave Power Outage - Model MMV5000BAB
It's almost certain that your magnetron has failed and/or thermostat which is mounted on it. Fist, unplug the oven from the pwer. Then open the door and remove the stirrer cover in the ceiling of the oven. Look for any dark brown burns, charred spots, or "rusty" looking areas. This would indicate that the waveguide has burned, which means the microwave needs to be disposed of. If it passes that test, I'd say the magnetron and/or thermostat area bad. You can find helpful exploded view diagrams and the wiring diagram and order parts by entering your model number here: http://tinyurl.com/gv383 We have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk
SOURCE: maytag microwave - mod# mmv5100aaw
CHECK MAGNETRON RELATED CIRCUIT, HIGH VOLTAGE CIRCUIT, CONTROL CIRCUIT,AFTER CHECK MAINS FUSE.
SOURCE: Maytag,model mmv1153bab,serial #10001847ja,output 1000w
The
first thing I would suggest is a hard reset. Unplug the unit for a
minute or so. Then plug it back in, set the clock and try again.
If you still have trouble, since
it's less than one year old, it should be fully covered under warranty.
I'd suggest contacting the manufacturer to get it fixed free.
You can find your nearest Maytag-authorized servicer here.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: I have a Maytag mmv5207aas
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.
You can usually find
helpful exploded view diagrams and order parts by entering your full
model number here.
It may be the fuse, or the magnetron thermostat (thermal cutout ./ TCO) or the oven cavity thermostat.
The first two can be accessed via the control panel opening, but if you
need to check or replace the oven cavity thermostat, you will need to
remove the oven form the wall.
Removing it from the
wall is
ideally a 2-person job and you should have your installation
instructions handy. If not, you should be able to find it here.
Be sure to unplug the oven before you begin.
We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
You can find
helpful exploded view diagrams and order parts by entering your full
model number here.141 views
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