It seems to work sometimes , but will keep making a clicking sound and you can see the lights in the house ever so slightly dim when the clicking happens. Sometimes it doesn't heat at all, then the next time it will, but only when making these tripping noises. I thought it might have been cockroaches, as they love the control panel, but i'm not sure. Any ideas?
Clean the food off the inside top of the microwave Now,Or that noise you are hear will stop along with the microwave. The food gets on the Formica Squire which is how the micro waves heat your food. 1st unplug the Microwave then spray the inside of the unit with something like Fantastic or something strong and use glove so you don't burn you hand,Also if you have a scrub brush use it,And clean all the soap out and raise very well.
SOURCE: Microwave won't heat.
This
is usually caused by either a bad door switch, a loose door switch
mount (which are pretty simple problems to fix) or
occasionally a
problem on the control panel.
Door switch
or mount trouble is usually caused by slamming the door or by opening
the
door while it's cooking without hitting the Stop pad first.
There are
plastic mounts inside the microwave which hold the door switches and
onto which the door latches lock when you close the door.
The screws on these
mounts may be loose. If they get too loose, the switches will not be
activated properly.
Sometimes it's
a broken tab on the switch holder, allowing the switch to rotate just
out of position. This tab
can be hard to see, since it is under the
bottom edge of the switch.
One test that sometimes
helps is to
gently lift up (and/or push down) on the door or handle as you try to
start it. If it works or tries to work, then it's a door switch mount
or
door alignment issue.
If you or someone you
know decide to look
into it, we have critical information on safety, disassembly and door
switches at our site, and our link is at our listing here on
FixYa:.
You can find helpful
exploded view diagrams and order parts by entering your full model
number here.
There
may 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.
If you only need a
switch, you can order a universal type here for $5 postpaid.
If you think the problem
is on the control panel, we repair these nationwide by mail
for $39.95 postpaid in most cases.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
SOURCE: Whirlpool microwave not working. inside light's
It depends on the model number, but it may be as simple as a door switch or the magnetron's thermostat / thermal cutout.
See our file on door switches here.
There
should be a "mini-manual" (tech sheet) hidden inside the unit
behind the
control panel or hidden 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.
If you don't find your mini-manual,
or if you want to look at it before removing the controller, you can
download it here (just enter your model
number).
You can find
helpful exploded view diagrams and order parts by entering your full
model number from the tag on the oven here.
If you only need a
switch, you can order a universal type here for $5 postpaid.
We're
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
SOURCE: Swan SM2050 microwave - everything works (light,
you not going to like me now!!!! in two words,,,,,dump it,,,, your microwave is well past its best,,to fix it will cost more than its worth, and to be honest there getting cheaper by the day now?
SOURCE: My microwave intermittently (1) hums but
Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....
Microwave Oven Basic Troubleshooting Tips
heatman101 ][
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A diode is an electronic component that
readily passes current in one direction only and blocks the flow of
current in the opposing direction. If your microwave's diode has become
defective, your microwave will not heat and you will hear a buzzing
noise. Test the diode to determine if this is the cause of your problem.
Replace it if it is defective.
A capacitor is an electrical device
which stores electricity. A defective capacitor may be why your
microwave is not heating but you are hearing a buzzing or humming noise.
The capacitor will have to be tested to determine if this is the cause
of your problem. A defective capacitor will have to be replaced before
your microwave will work again. Make sure you discharge the capacitor before you test it, though.
A defective magnetron is the third
possible cause of why your microwave is not heating, but you can hear a
buzzing noise. Test your microwave's magnetron. Replace it if it is
defective.
In this case as the display does not show a clock then it seems the program controller is not working correctly. So check power - step down supply, if the pads are responding- if not faulty pads. Also the door switches, if the switch contact are not good then it will not trigger the processor to switch on the waveguides. If the lights or fan work without any display or action of program being triggered to start then it can be a possible fault on the main board or the processor. Sometimes insect secretion can short the board and display panel and so the processor can work in such an erratic manner. If so clean,solder and reset the board.
Now identify the parts by clicking this link: http://www.espares.co.uk/advice/microwave/a/5/141/identifying-microwave-parts.html
Now unless the display works and the processor starts to switch on the MAGNETRON , the table and light will also switch on as it must heat.
So it is necessary to check the main controller unit as it seems to be the suspect..
Investigate these three areas if your microwave won't heat but you hear a loud buzzing or humming noise:
Power Diode
A diode is an electronic component that readily
passes current in one direction only and blocks the flow of current in
the opposing direction. If your microwave's diode has become defective,
your microwave will not heat and you will hear a buzzing noise. Test the
diode to determine if this is the cause of your problem. Replace it if
it is defective.
A capacitor is an electrical device which stores
electricity. A defective capacitor may be why your microwave is not
heating but you are hearing a buzzing or humming noise. The capacitor
will have to be tested to determine if this is the cause of your
problem. A defective capacitor will have to be replaced before your
microwave will work again. Make sure you discharge the capacitor before you test it, though.
A defective magnetron is the third possible cause of
why your microwave is not heating, but you can hear a buzzing noise.
Test your microwave's magnetron. Replace it if it is defective.
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