Question about GE Spacemaker JVM1640SJ Microwave Oven

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GE Space Maver MIcrowave

My GE Space Maker microwave stopped working today. I changed the fuse reset the clock and thought it was fixed but when I try to cook it starts and then blows the fuse again. This is the internal fuse 20amp 250volts.It is an overhead model with exhaust fan and does make a kind of wierd noise when it starts almost like a bad or jammed motor. It does not have a carousel. Any ideas would be greatly appreciated.

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If it blows the fuse as soon as you hit START, you probably have a high voltage capacitor shorting. If it blows a fews secondfs after you press START it probably has a bad high voltage transformer. If you or a friend decide to work on it, we have *critical* safety & disassembly info at our site, which is linked at our listing here on FixYa: You can find helpful exploded view diagrams and order parts by entering your model number here: You might also double-check the magnetron. The technical sheet inside the oven shows you how to check it.

Posted on May 14, 2007


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Posted on Jan 02, 2017


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