It sounds like a fuse has blown, they are easy to replace but it should be done by a professional
SOURCE: No power
The door switches are designed to prevent the unit from running while the door is open. You probably have a blown fuse, and it's a white or dark grey ceramic fuse of 15A or 20A, available from local big box stores or appliance parts stores. The fuse is usually located on the floor of the chassis behind the control panel, or mounted in the same area as the door switches. Also, I'm really curious how the door switch got stuck while cleaning? That sounds scary...
SOURCE: microwave has no power
HELLO I BELEIVE THAT YOU HAVE A BLOWN FUSE, OPEN THE MICROWAVE AND LOOK FOR A WHITE FUSE, NORMALLY IS ABOUT 250V/15A TRY TO GET THE SAME ONE AT RADIO SHACK
GOOD LUCK
[email protected]
SOURCE: LG Microwave LMVM2055ST Just stopped working!
We have
the service manual for this model and have uploaded it to our
site here to help you.
You will need the free
Acrobat Reader
to view or print it in case you don't have it.
It
may be the fuse, which is usually located behind the grille or 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 TCOs or thermostats, if it has a hood fan thermostat,
that should read
open, as opposed to the others, which should read closed.
If the cavity thermostat
needs to be checked or replaced you'll need to pull the oven from the
wall.
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.
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.
To order Goldstar / L.G.
parts, visit Vance
Baldwin Electronics. You'll probably have to call them.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
SOURCE: GE Spacemaker microwave JVM140G just stopped
NO internal fuse. It is most likely, the magnetron, and or High power diode. As related In all likelihood the mangnetron has failed, or perhaps even the Power Supply. or a fault that is shutting the system down for safety reasons You need to have it serviced by a reputable service centre/man. Ensure you get a firm "Quote" before proceeding, and remember these days the cost of repair can equal or exceed the price of a new one.
SOURCE: Jvm1740sm1ss has no power. Unplugged the unit and
It may be a blown fuse, magnetron thermostat, or oven cavity thermostat.
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.
Once the grille and controller are removed, you can access and test the fuse and magnetron thermostat.
Accessing the oven cavity thermostat for testing and possible
replacement will require you to remove the oven from the wall and take
off the outer cover.
If
so, the installation instructions are very handy, and it's best to have
two people since the microwave can be heavy and awkward.
You can
download GE
owner's manuals and installation instructions
here.
You can find
helpful exploded view diagrams and order parts by entering your full
model number from the tag on the oven here.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
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