SOURCE: Microwave blows fuse
The most common suspects are the high voltage transformer and the magnetron. It's also possible you have a flaky door switch or loose door switch mount. If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383
SOURCE: roper mw under cabinet light
You probably need to have the receptacle replaced that the bulb screws into
SOURCE: kenmore galaxy model 721 microwave hood combination
You put a mounting plate on the wall behind where the unit will be mounted. Then the microwave hooks onto the bottom of the mounting plate and you swing it up to the cabinet above it. Then you must screw 2 mounting screws through the floor of the cabinet above into the bracket on top of the microwave.
SOURCE: Blown fuse on Roper over
We have critical safety & disassembly info (including a how-to video) at our site, linked here.
There
should also be a "mini-manual" hidden inside the unit behind the
control panel or hidden on the left side behind the grille, which is
very helpful when troubleshooting & testing.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
A microwave can be dead for many reasons.
It may be the fuse, which is usually located on the floor of the oven behind the control panel or between the door switches.
If
the fuse is good, it may be an open thermostat or thermal cutout (TCO)
/ thermal fuse on or near the magnetron or on top of the cavity / body
of the oven.
If it goes dead for a while during or after cooking
then comes back on, the magnetron is probably overheating and causing
the magnetron thermostat to open.
Then when it cools, it closes the circuit and allows power through again.
When
checking thermostats, if it has a hood fan thermostat, that should read
open, as opposed to the others, which should read closed.
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
it goes dead or blows the breaker (or GFI) when you plug it in or open or close
the door, then there's a problem with a door switch or door switch
mount.
If it's intermittent or random, it may be a bad
connection, usually on the control board or a loose fuse holder, or
even an intermittent fuse.
You should do a continuity test on
the fuse while it's in the holder (with the microwave unplugged, of
course) then turn the fuse by hand or take it out and put it back in,
then test it again.
If you remove the fuse, then press the meter
leads against the ends, it can allow internal contact to be made and
make a bad fuse appear to be good.
Please reply back here if you still need help.
We're happy to help you and we'd appreciate your
thoughtful rating of our answer.
SOURCE: removing under cabinet GE microwave
Remove the face plate above the door. You will see two bolts where you can use a screwdriver to turn them (unlock them). Those bolts go all the way to the back of the microwave. Once you have turned them (you do not need to remove them), you will need to remove the one - three screws that come in from the cabinet above. You may have to jar it loose if it still stuck.
Remove a GE Spacemaker
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