Question about GE JVM1630 Microwave Oven

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Fan runs when door is closed

Suddenly, when the door is shut, a fan runs. It is a seperate fan from the exhaust. The microwave still works & heats. We must leave the door open.

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  • Anonymous Jan 24, 2009

    door closed fan wont shut off

  • Anonymous Feb 26, 2009

    fan came on and would not go off until I unpluged it

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This is an interlock issue or a faulty temperature sensor. Both will require the outer casing to be removed for inspection. Basic tests can be done with a continuity tester or cheap digital multimeter with resistance checking facilty (Radioshack)

The sensors for these types of fans are normally attached to the roof of the cooking cavity, little silver components with two or more wires.

Check these out with a meter if any are open circuit then they need to be replaced.

Posted on Dec 10, 2008

  • Gus Dec 10, 2008

    Sorry the interlock issue is more complicated and relies on at least two or more microswitches to operate when the door is closed, look around the opening for any loose plastic, observe opening and closing of door to see if the switches operate., Please observe HIGH VOLTAGE precautions with cover emoved there can be upwards of 5000 volts present with it unplugged!

    Lastly does the light operate when the door is shut? If so, its likely to be a switch issue/controller malfunction.


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