Re: overheat on power supply of Ultra 2

Feng Qiu (fqiu@biochem.okstate.edu)
Thu, 15 Jan 1998 11:25:16 -0600

Thanks for all information.
I found when power supply is ward, the fan is not run or at least is not
run in high speed. When feel cool, the fan is running. Is there a
thermal switch inside to control the fan on and off, why don't they just
let it run all the time?
Thanks!!
Feng Qiu

Alan Chan wrote:
>
> Hi Feng Qiu,
>
> Check to make sure the fan in the power supply is turning and make
> sure it is turning in a fast speed.
>
> ----- Begin Included Message -----
>
> >From sun-managers-relay@ra.mcs.anl.gov Wed Jan 14 17:07:46 1998
> Date: Wed, 14 Jan 1998 18:15:45 -0600
> From: Feng Qiu <fqiu@bmb-fs1.biochem.okstate.edu>
> To: sun-managers@ra.mcs.anl.gov
> Subject: overheat on power supply of Ultra 2
> Content-Transfer-Encoding: 7bit
>
> Hello, all,
>
> I got a few times auto rebooting in Ultra2. Looks like no error message.
> I suspect the power supply overheat because the right back corner is
> very hot. I open the cover, that part is hot when reboot. When computer
> work normal, some time that part is warm, some time is cool you almost
> can not feel warm.
> Any one has a clue?
> Thanks!!
>
> Feng Qiu
>
> ----- End Included Message -----
>
> ==============================================================================
> Alan Chan | Phone: 604-279-2900
> Canadian Airline International | Fax: 604-279-2905
> System Administrator (Contractor) | Email: a.chan@cdnair.ca
> Alan Chan Consulting Services |
> ==============================================================================

-- 
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| Feng Qiu (Çñ ·å), Ph.D.   Department of Chemistry          |
| Manager of NMR Facility   Oklahoma State University        |
| Office: 405-744-7516      Stillwater, OK 74078-3071        |
| FAX:    405-744-6007      mailto:fqiu@biochem.okstate.edu  |
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