Question about GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Stainless steel GE XL 1800 spacemaker works ok except the vent fan doesn"t come on when cooking, which gets to hot and shuts off. The fans work when you push the vent fan buttons and the vent covers opens.What part do I need.

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  • lpd36 Jul 20, 2009

    The internal cooling fan is the one that does not work.
    Model # JVM1870SK03
    Space Maker SL1800

    Is there a part for this? How do I get to the internal fan to look/replace it?
    Thanks

  • lpd36 Jul 23, 2009

    The internal cooling fan did not come on when I microwaved. Do you have to unmount the unit from the wall to replace it? And when I went to the GE web site they did not list any part by that name(internal cooling fan).

  • lpd36 Jul 24, 2009

    Hello

    The turntable turns ok when on. Everything else seems to work ok.

    Thanks

  • William Miller
    William Miller May 11, 2010

    It may be a bad fan motor or maybe a problem on the control board such as a failure in the "main" relay on a component driving it. The fans in these models are unique in that they contain a built-in 21VAC transformer (a third wire) that provides power to the stirrer motor (above the stirrer cover) and the turntable motor. Does the turntable turn when you try to microwave? (Sorry for the back and forth, but it's necessary for diagnosis) There
    should be a "mini-manual" (tech sheet) hidden inside the unit
    behind the
    control panel (or sometimes hidden on the left side behind the grille) which is
    very helpful when troubleshooting, testing, and locating
    components.

    At
    our Web site, we have a video
    available showing how to remove a typical
    over the range control panel assembly in under 5 minutes.
    You can also find
    helpful exploded view diagrams and order parts (once you know what to order) by entering your full
    model number from the tag on the oven here.

    If you think the problem
    is on the control panel, we repair these nationwide by mail
    for $39.95 postpaid in most cases in about a week or so with a one-year
    guarantee. Let me know what you find.

  • William Miller
    William Miller May 11, 2010

    In most over the range model, there are two fans. 1. The hood vent exhaust fan which you can turn
    on and off manually.
    2. The internal cooling fan which should come on automatically whenever you
    microwave.
    We have a sound clip of what a microwave should sound like when the cooling fan and high voltage section are operating here. Does it sound like this or is the internal cooling fan not working? Please reply back with your model number from the tag in / on the unit so we can help you.

  • William Miller
    William Miller May 11, 2010

    Please reply back with your full model number from the tag in / on the unit so we can help you.

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  • GE Master
  • 9,047 Answers

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

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