Question about GE Spacemaker JVM1640SJ Microwave Oven

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DeLonghi combined microwave/grill/oven.

We put a foil in in the microwave and it stopped working. Oven works and grill ok. I have checked transformer and capaciters, diodes seem ok and door switches How can I test magnatron or do you have any other suggestions. Many thanks Ivan. The model is Delonghi MAK 675F1.

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  • Anonymous Nov 26, 2007

    sorry this is ivang again, had problems with wireless internet (in the wilds of western ireland). As I already said I checked everything I could transformer, switches etc. I left it for a couple of days and thought I would check it again and it immediately blew the 8amp fuse when switched on. I traced the fault to the high voltage secondary winding of the transformer. At the back of the transformer there is what looks like one of the secondary winding wires poking out at the top and connects to a tag joined to the laminations which of course are bolting to earth, when I remove this wire the earth leak dissapears, could this be some sort of fail safe device. I am tempted to try running it again as the leak has gone. What do you think, I suppose the worst thing that can happen is that it will blow the fuse. Many thanks Ivan goddard, Delonghi MAK675F1/oven/grill/micro.

  • Anonymous Mar 13, 2014

    Removing grill from delonghi oven to clean

  • Anonymous Mar 21, 2014

    Hello my microwave does not heat items,yet the grill and oven work ok .can you suggest something .thanks Alex

  • Anonymous Mar 21, 2014

    oven & grill still work OK

  • Anonymous Mar 28, 2014

    Microwave not working rest of operations Ok

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  • GE Master
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Found this posted in GE instead of DeLonghi but the basics are the same.

You say it stopped working - you mean it runs but doesn't heat?

Posted on Nov 22, 2007

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