My unit stopped working. The electrical outlet is working fine. There is no response from the unit at all

Check fuse inside microwave oven (usually 8-10-12 A) on power supply board or main board, depending on model.

Dado

no problem with fuse - it is due to lose contact on the panel board - open from the front , most probably their will be lugs which may had come out /lose. .

Hello,

the problem of this unit is power related.

First, remove the unit's power cord from the wall, wait for about 30mins, then plug it back in. It may cool by then and might power on. If it doesn't power on, plug it into another outlet, to make sure there electricity entering into the unit.

If plugging into another power outlet doesn't power it on then the unit is most likely having a power problem.

When electric current comes from the power outlet into the cooker, it goes straight into the power supply board which then circulates the current into the unit. So if the cooker doesn't power on, the first thing is to make sure there is power entering into the machine.

So check the power cord, if it is a 3-pin plug, it must have a fuse in it. check the fuse if it is not blown. if fuse is intact, then power supply board should be checked.

If any machine or electronics device doesn't power on, it means its having a power problem. it might have worked fine in the past, but that's electronics for you. Power surge, irregular power supply, excess power supply, etc can affect the unit thereby not making it to power on.

This unit must have a power supply board in it where power enters from the mains. A capacitor, fuse, diode, etc may have been defective on the power board and maybe that's why its not making the unit turn on. There might also be some disconnection or something, inside the unit which is not making it to power on.

To actually find out what's wrong, you need to disassemble the unit with a screw driver and check what's wrong. You will be needing a meter and continuity tester in order to read the components on the power board, once you detect any bad component, you can make necessary replacement at any electronics accessories store withing our vicinity. This is the only way by which you can detect the problem.

Of course, testing the power board with a meter will require someone that has the ability. So it you can't, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Regards.
Walesarumi

Sorry to read about your problem, I hope this helps you out.
here are some problems you may have.

1. No power to outlet (blown fuse or tripped breaker or GFCI).
2. Blown main fuse - likely due to other problems.
3. Open thermal protector or thermal fuse.
4. Defective controller or its power suppy

Microwaves must be serviced by technicians due to the inherent dangers involved in repairing these appliances. Internal capacitors can retain a lethal electrical charge even though the unit is completely unplugged. A microwave radiation leakage test must be performed on the unit following any internal component repair.

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for the microwave to stop suddenly it has blown its internal fuse this is located under the top panel of the unit it should be white with two silver tips ( ceramic fuse) in some cases the fuse will blow for no good reason on the other hand it can be a serious fault the fastest way to check this is to replace the fuse and re test the unit if the fuse blows instantly then bin the microwave if not it the fuse may have simply failed


best of luck always remember unplug the unit first and always replace with same size and and current fuse

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Fuse has likely failed. Hoever the power supply must be tested.
The repair is going to be almost as much as a new unit with warranty.

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Is there power at the outlet? You say you checked the fuse ... is that the one inside the machine? Is the outlet protected by a GFI (reset for a GFI is on the GFI)? A GFI looks like a ordinary outlet but is very sensitive to electrical irregularities. Your circuit breaker may be on or your power panel fuse may be fine and the fuse inside your oven may be fine. If the GFI is popped, you have no power.

Try some other electrical device in the outlet. Does it work? Try an extension cord from a known hot outlet?

Beyond these tips, you may need professional help with this.

Thanks for your interest in FixYa.com

could be door interlock switches, door misalignment

Hi, you must check the inside fuse. If is burned out, please consider that something happened, you must check further beyond to find the causes.

It looks like the part of your computer board on microwave which responsible for controlling light and fan stop working. In this case you have to replace computer board.

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