Question about GE Spacemaker JVM1640SJ Microwave Oven

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Microwave stopped working

Microwave simply stopped working (as though all power was cutoff, light and all). Plugged into different outlet with no effect. Could this just be a blow power fuse?

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Re: microwave stopped working

Generally, you get something unless the fuse inside is blown. There is generally a fuse inside the unit when you remove the button package. First, make sure that the outlet you have is good. Plug something else into it and see that it works.

Posted on Dec 17, 2007

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Re: microwave stopped working

Hi I cannot solve the problem , but I seem to have a different problem. The lights are on the clock works everything seems to function except it will not heat. Please help.

Posted on Mar 02, 2010

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New microwave stopped working after 15 seconds

Possibly the fuse / breaker is tripped, usually all outlets in one room share same breaker. Check breakers (or fuses) or try outlet in differnt room. If the outlet has power, (plugin a lamp to check) and the microwave still does not work, take it back to store for replacement or refund.

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Dead microwave

There are replacable fuses inside. Taking the microwave apart requires removal of a lot of screws and the cover that can be rather bulky. make sure it's unplugged and safe before you begin. you can get replacement fuses at radio shack, ect. be sure to buy the same type and amperage. if the blow a second time there may be other issues.

May 27, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Microwave power shut off and stopped working

You can test safety thermostats with an ohmmeter. There should be a short circuit between the device's two terminals if it's closed. (This doesn't necessarily mean the device is good, though. It might be opening at too low a temperature when the oven is operating.) A high resistance or an open circuit means the thermostat has opened and needs to be replaced. An appliance parts store should have suitable replacements, or you can order from a number of online vendors. I usually start at the Sears parts site. They have part information for many models, and usually pretty fair prices for parts. But once you have the part number you need, a Google search will let you shop around.

It does sound like your oven shut down because of a thermostat. One is normally mounted on the magnetron tube that supplies the microwaves, and another is on the cooking cavity. I've had to replace these many times. If the main power fuse blows the oven will not come back on until it's replaced. But you might also have bad solder connections causing the trouble as well. I've seen solder joints on the control board and power filter board cause dead ovens.

If you're not absolutely sure of what you're doing working on a microwave, you might want to let a professional check it over and make an estimate. There are potentially lethal voltages present, and microwave leakage may be a concern as well.

May 27, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer


Inside the microwave is a fuse. If you can, try plugging the microwave into a different outlet (use an extension cord). If it does not power on, you have likely blow the fuse. If you are technical, you may look into replacing the fuse yourself (you will have to remove some parts of the microwave exterior to get to the fuse). Otherwise, if no longer in warranty, you will need to have a shop or handyman replace fuse.

Mar 29, 2008 | Microwave Ovens

1 Answer

GE Spacemaker Microwave Oven JVM1330BW200 should first check to make sure the outlet you're using is good. Really. Next, check internal fuse and thermosafety in the unit. They are both found inside the button area. The safety is about the size of a dime and 3/8 inch thick with two wires. Sometimes they open. They should be continuous. Not it? Let me know.

Dec 16, 2007 | GE Spacemaker JVM1640SJ Microwave Oven

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Kenmore over the range microwave oven

Maybe a short in the plug somewhere?

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Samsung Microwave model # SMH7178STD just stopped working.

This is usually caused by either a bad door switch, a loose door switch mount, or a problem on the control panel.

Even though a door switch clicks, it may still be bad inside.

If you or a friend decide to look into it, we have critical information on safety, disassembly and door switches at our site, linked here on Fixya:

You can find Samsung-specific parts here:

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