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How to tell which Dell PowerEdge SC1425 Fan Failed?

Posted on 2010-09-09
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Last Modified: 2012-05-10
I had a Dell PowerEdge SC1425 Fan Failure about a year ago.  Looks like I've got another one about to go out on me because I have the same symptoms:  amber system status light blinking, NO other indicator lights blinking and the fan(s) are revving at max RPMs.  Subsequent system diagnostic tests report no errors.

I had a Dell technician solve me problem last year.  He looked at a log somewhere that told him which of the two cooling fan modules to replace.  Could someone please tell me where to look for the fan failure message and how to tell which fan module to replace?
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Question by:carlkelley
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by:rsimsee
ID: 33643778
Dell PowerEdge servers are installed with a management system called Dell OpenManage.  If you look in your start menu (Assuming you're running windows), you should see a link for Dell OpenManage which will open up a web browser and point to a locally installed http server containing all of the logs and diagnostic indicators that you're looking for.
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by:rockiroads
ID: 33643792
Have a look here at dell support troubleshooting which includes checks for your fans. http://support.dell.com/support/edocs/systems/sc1425/en/it/j3350c50.htm

it does talk about the systems management software which I assume would be what rsimsee was talking about.

amber light means system problem so could be fan but could be something else.
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by:rockiroads
ID: 33643817
if you think fans are at issue then you could try controlling the speed (based on temps though) http://www.almico.com/speedfan.php
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by:carlkelley
ID: 33643832
My memory of the last repair is coming back.  The Dell technician ran a DSET report.  Can anyone tell me how to run it again?
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by:carlkelley
ID: 33643840
rsimsee:  Dell OpenManage is not installed.  
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by:rockiroads
ID: 33643856
if u go to dell support then to downloads you might be able to find it there
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by:carlkelley
ID: 33643858
I found the old DSET report that diagnosed the problem last year.  It was the hardware log a.k.a. Embedded System Management (ESM) Log that showed the fan was failing.  It shows many messages like "System Board FAN MOD 2B RPM: Fan sensor for System Board, failure event" recorded in July 2009.  I just need to figure out how to run the DSET report again and it will tell me which fan is failing.
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by:rockiroads
ID: 33643878
this help? https://plone4.fnal.gov/P1/Main/runii/sysadmin/global_docs/dset.txt

otherwise check dell support website
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carlkelley earned 0 total points
ID: 33643886
I'm running a DSET report.  Here's how:  you download the MSI from http://support.dell.com/support/topics/global.aspx/support/en/dell_system_tool?c=us&l=en&s=gen and then install the MSI.  During the install, it gives you the option to run the report once or install the app permanently.  I'll report the results in a few minutes...
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by:carlkelley
ID: 33643917
After logging in as Administrator, I was able to get the DSET program to generate a compressed report to my desktop.  After unzipping the report and double-clicking the HTA file therein, the report appeared in my web browser.  The [Hardware Log] shows "Thu Sep 09 21:40:31 2010   System Board FAN MOD 1A RPM: Fan sensor for System Board, failure event".

The only thing left it to figure out which fan module is 1A.  As I recall, it is probably marked on the mother board.
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by:carlkelley
ID: 33644018
The fan module ID's 1 and 2 were clearly indicated once I removed the top cover.
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by:carlkelley
ID: 33644298
I replaced the fan with my spare, reran the DSET report and saw no new errors.  All the old ones from last year are still visible in the log.
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