Cooling fans stopped working

[patrickt]

Originally Posted by kevins2

I wrapped the bad fuse in a small cloth and used a pair of pliars to break the fuse open without putting any stress on the ends. One of the ends was not attached (the other end is very firmly attached and can't be pulled out by hand). The end of the filiment shows no sign of burning. In fact, it has a shiny coat of solder. So - cold solder joint.

Bottom line is you can't judge a fuse by its appearance

Break open three "known good fuses" and then compare whether or not they appear to have the same flaw... if it is a flaw at all.

[kevins2]

Originally Posted by patrickt

Break open three "known good fuses" and then compare whether or not they appear to have the same flaw... if it is a flaw at all.

Good scientific practice dictates that confirmation be done by an independent party. So, break open some fuses and let me know how that goes