Question about GE Spacemaker JVM1640SJ Microwave Oven

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GE Over range microwave model JVM1443LK01 This started a couple days ago. After removeing something from the microwave and we shut the door, the fan started up. The fan will run as long as the door is shut. It is not cooking as I can hear the differance. Now whenever the door is shut the fan turns on. It does work for cooking, but the fan never shuts off.

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  • mboyce4 Mar 22, 2011

    Would the door cause the fan to run? The fan shuts off when I open the door but turns back on when the door is closed.

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  • 8,909 Answers

I would check the door switches for a faulty switch. If it were condensation on the control panel. I would think it would have dried out by now unless it has damaged the control board.

Posted on Mar 22, 2011

  • 1 more comment 
  • specialistel Mar 23, 2011

    If one of the change over switches was faulty, the fan may run because the fan will ground through the HV transformer primary winding.

  • mboyce4 Mar 24, 2011

    I do I check that?

  • specialistel Mar 25, 2011

    With all due respect, if you are not an electrician with test and measurement skills, I advise you employ the services of a qualified appliance engineer. For your own safety.

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