2 year old Maytag 4205 over the range microwave
It was working fine, until it wasn't.
No power, no display.
I have confirmed power to the socket.
I'm hoping that there is a fuse I can access if I drop the microwave, or perhaps some reset button???, but I thought I'd ask for info/advice before I pull the heavy machine out.
Thanks for your help
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Re: Complete lost of power - where's the fuse?
You'll want to unlplug it first.
On an over the range model, you probably want to remove the grille, then you'll see the screw holding the control panel in place.
Then the panel will slide up and out or swing out. Don't break the mounting tabs or it will be loose.
The fuse should be behind the control panel on the floor of the chassis, or among the door switches.
If the fuse is good, there will be one thermal cutout or thermostat mounted on or near the magnetron and one on or near the top of the chassis.
If it's the latter, the oven will probably have to come out of the wall.
If you or a friend decide to work on it, we have *critical* safety & disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk
You can find exploded views and parts lists for model MMV4025AAW at http://www3.sears.com
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It could easily be a bad line fuse and/or line filter. To access you will need to unplug the unit and remove the outside case. Inside the unit, where the A/C power cord comes in, there should be a small circuit card (part #237068) located somewhere with a fuse mounted on it. This is your input line filter board with line fuse. Replace the fuse, first and see if this fixes your problem. This is a 20amp appliance fuse that you can purchase at any hardware store. Make sure you place the cover back on the unit BEFORE you plug it in. It is not safe to have this area of the microwave exposed with power applied. High potentials in the 4,000 volt range are present! If the fuse does not correct your problem, the circuit card runs about $26.00. Good luck and hope this fixes your problem.