Question about GE Spacemaker JVM1640SJ Microwave Oven

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When door is shut, the fan comes on. When I open the door the fan goes off. All features on the keypad work except the start button.

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One or more of the door switches is bad

Posted on Sep 23, 2014

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Posted on Jan 02, 2017

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MicrowaveSvc
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SOURCE: microwave seems to turn on when door latch is opened

What's happening is you are activating one door switch a little before the other, and that is causing your light, fan, and turntable to come on. The plastic parts are not perfectly rigid, so they flex a little when you press the button, and that causes the lag to be more apparent. Even if you press the door open faster and look really close, you may notice the light, fan, and turntable coming on for a split second. That's perfectly normal. The relay on the control board must also be turned on before it will actually be cooking.

Posted on Feb 23, 2007

MicrowaveSvc
  • 9047 Answers

SOURCE: 1800 XL JVM1860BD - won't work

It sounds like your controller may be failing. Or it could be an electrical line problem. Any other electrical itmes giving you trouble? Has anyone measured the voltage level of your power line? It should be around 110-125 volts AC. If it's significantly lower or higher, you may have a bad connection in your breaker panel or in the wiring leading to the home.

Posted on Sep 28, 2007

  • 108 Answers

SOURCE: GE XL1800 Micro fan won't shut off after light burned out

The problem appears, at least in part, to the door latch circuitry which cannot be serviced by the owner. If the unit is still in warranty, call GE customer care. If not, replacing the unit is your best bet. I just bought a new GE 1100 watt oven with great features for less than $100 If the door dosen't latch correctly, you could be exposed to dangerous microwave energy.

Ray

Posted on Nov 16, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: stainless steel GE XL 1800 spacemaker works ok

So the fan motor's 21VAC winding is working. That's good.

But either the fan blade is loose on the shaft (a super glue fix) or the fan motor itself had failed.

You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven here.

The fan motor is shown on the diagram there as reference # 78, part # AP3192806, located behind the control panel and adjacent to the magnetron.

I'm not sure you have to pull the oven from the wall to replace it, but if you do, the oven installation (& removal) instructions are included on the tech sheet inside the unit.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel, and it is very helpful when troubleshooting, testing, and locating components.

You can also download GE owner's manuals and installation instructions here.

If you don't find yours I can send you a copy, or if you need more help, feel free to contact me directly (and please remind me of your full model number from the tag on the unit).

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. "Ed" Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com

Posted on Jul 25, 2009

KevinWhite
  • 1902 Answers

SOURCE: Our GE Spacemaker JVM1440WD003 suddenly

Hello & Welcome to FixYa

The problem is with the door switch that is bad and needs replacement. Please get back to me if you have any other questions.

Kevin

Posted on Apr 22, 2011

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Troubleshooting Ge Microwave that is acting bizarrely


Sounds like the main control board, but further testing should be done to rule out other possible causes. One thing I would do is to check to make sure it is plugged into a grounded outlet that is actually grounded. Bizarre behavior can be caused on some ovens because of a lack of a ground connection.

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Ensure you have programmed a heat setting, entered a cooking time and pressed the "Start" button on the microwave's keypad. Check that the microwave is not set to "Defrost" mode.
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Unplug the microwave and wait for one minute. This measure will reset the microwave's internal computer if it has frozen or scrambled. Plug the microwave back in and try again.
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Our oven started coming on when the door was shut. It is not cooking but the light and the fan come on. Nothing makes it stop except opening the door. I unplugged it for awhile, but that didn't help...


I have the same problem.

I found that by removing the control panel, then moving the small red-buttoned switches around the door open switch seemed to solve the problem.

We felt the problem was a mechanical problem because closing the door very gently permitted normal operation.

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Fan & Turntable start when door is opened.


sounds like there is a switch that is bad. you can go buy a new MW for about 200$ and in yours if there is a major problem then i would just go buy a new one but might be worth a repair man to come check it out


pleas do not poke around in the microwave as it carries a charge of 5000volts and can kill you even if not plugged in DON'T TOUCH THE WIRES WITH BRAIDS ON THE OUT SIDE if you must get inside of the unit

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GE XL1800 Micro fan won't shut off after light burned out


The problem appears, at least in part, to the door latch circuitry which cannot be serviced by the owner. If the unit is still in warranty, call GE customer care. If not, replacing the unit is your best bet. I just bought a new GE 1100 watt oven with great features for less than $100 If the door dosen't latch correctly, you could be exposed to dangerous microwave energy.

Ray

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1800 XL JVM1860BD - won't work


It sounds like your controller may be failing. Or it could be an electrical line problem. Any other electrical itmes giving you trouble? Has anyone measured the voltage level of your power line? It should be around 110-125 volts AC. If it's significantly lower or higher, you may have a bad connection in your breaker panel or in the wiring leading to the home.

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Is it possible that grease or moisture got into the controls? This can happen when cleaners are sprayed directly on the keypad; when boiling is done on the stovetop without the hood vent fan being on; when the hood vent filter is clogged; or due to restricted airflow in exhaust. The best way to check the airflow is to turn the hood vent fan on and use your hand to feel at the exhaust outlet outside the home. Moisture can cause the keypad or control board to short to some degreee, and produce odd results. It may clear up, but sometimes it requires that the keypad be replaced or that the board be professionaly cleaned. 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 We also repair microwave control boards for customers nationwide for $39.95. Feel free to contact me there directly if you have further questions.

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1 Answer

Microwave seems to turn on when door latch is opened


What's happening is you are activating one door switch a little before the other, and that is causing your light, fan, and turntable to come on. The plastic parts are not perfectly rigid, so they flex a little when you press the button, and that causes the lag to be more apparent. Even if you press the door open faster and look really close, you may notice the light, fan, and turntable coming on for a split second. That's perfectly normal. The relay on the control board must also be turned on before it will actually be cooking.

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1 Answer

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