[ale] interesting CPU fan issue

[James P. Kinney III]

On Fri, 2007-06-01 at 21:05 -0400, Jim Popovitch wrote:
> Today I noticed, promptly at 3pm, that a CPU fan in one of my remote
> boxes went from it's normal 3500 rpm to zero rpms.  However, CPU temp
> and motherboard temp have remained in the same range (48c - 53c and 41c
> - 43c respectively) as they have been for the longest time.  Every now
> and then the CPU fan jumps up to ~2800 rpms for a few seconds, then
> drops back to zero.   Sounds to me like the CPU fan has issues and needs
> to be replaced... except why hasn't CPU temperature even shown the
> slightest (greater than avg) spike?   
> 
> Any ideas?  Thoughts?

It's not that the fan isn't spinning it's more that the third wire
tachometer is failing. Or the connection on the board is failing. Either
way, fans a cheap. Toss in a new one and see if the problem goes away.
If you want to tinker before buying, pull the fan connection and re-seat
it. That may make a better connection than the one in place now.
> 
> -Jim P.
> 
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> http://www.ale.org/mailman/listinfo/ale
> 
-- 
James P. Kinney III          
CEO & Director of Engineering 
Local Net Solutions,LLC        
770-493-8244                    
http://www.localnetsolutions.com

GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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