Question about GE JVM1440 Microwave Oven

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Fan and light constantly on

I just replaced the light bulb in my unit. After plugging back on, both the light and the fan came on.
The fan will stop if I open the door, but the light is constantly on. The oven warms things properly and stops the magnetron at the end of the cycle, but now I have to leave the door propped open to avoid the fan running constantly. What could be wrong?

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  • Dominicus Feb 18, 2008

    It's the exhaust fan that runs if I close the door, even without starting a heating cycle. This fan is at the top of the microwave right next to the lamp.

  • Dominicus Feb 18, 2008

    It's the exhaust fan at the top of the unit. This fan is in the same enclosure as the light bulb I just replaced. It now starts running as soon as I close the door.

  • rlangerak509 Sep 02, 2008

    When I open the door my fan starts running

  • jenkstate Dec 19, 2012

    I am having the same problem and cannot figure out how to reset. Did you ever figure it out??

  • jenkstate Dec 19, 2012

    I am having the same problem, and have had it before. Cannot remember what to do. Did you ever figure out how to reset?

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  • 65 Answers

Which fan? the exhaust fan or the control board cooling fan? the cooling fan is controlled by a thermostat just behind the control panel. it turns the fan to protect the board from overheating.

Posted on Feb 18, 2008

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