On 25 Dec 2005 at 13:57, Howard Winter wrote:

> I had a worrying incident about a week ago - in my living room,
> where a lot of my computer equipment and some electronics is
> located, there was a loud "crack" sound, that could easily have
> been a small capacitor exploding, but I have no idea where it came
> from, and everything in the room is still working!  I wonder what
> it was?  :-# 


	I had a very similar incident last month. I was working late, two in the 
morning when a loud "crack" sound almost pulled me out of my chair!
	No smoke, no strange smell, no stop working equipment, nothing.
	After inspection, every piece of hardware was ok.  

	It took me one week to discover two 25A blown fuses on one of my UPS. 
	Of course, two shorted MOSFETs too...  
	They seems to be fired at the same time.

	Mark Jordan  


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