Question about GE Advantium SCA2000B Microwave Oven
Hi, you gave me info about my GE Advantium SCB2001css03 yesterday (Dec. 16)...including information about the diode, capacitor and fuse. I discharged the capacitor, at least I think I did...nothing happened. The diode looks okay, although I haven't done any tests on it. However, the fuse has black marks on it, but I can't really tell what's happened inside because the glass portion is white with a black stripe on it in the middle. I'll replace this first, it says 250V, 20A. Is there a specific fuse I have to get...or can I just go to a hardware store and get one?
A fuse blows most often because of an excess of current due to a failed (or failing) component (high voltage cap, transformer, or door interlock switch) or a surge; or due to overheating of the fuse caused by a fuse holder that is too loose.
If replacing the fuse fixes it, then it may have been a fluke surge.
But don't be surprised if it blows again. If so, I would refer you back to my previous solution post here:
Or feel free to post back with details. Good luck!
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Posted on Dec 19, 2008
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Posted on Jan 02, 2017
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It sounds like the magnetron may have
either failed or is not being supplied with the extremely high
voltage required to run it.
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.
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