James,
The problem is more than likely with the Chassis Interface (CI) than the
PSU's. I would advise getting this changed to resolve the issue:
Part code: MAS-7500CI=
Instructions:
http://www.cisco.com/univercd/cc/td/doc/product/core/cis7505/cicg7500/cicg75m3.htm#xtocid2433612
HTH,
Rich
"MacDonald, James" wrote:
>
> We're seeing the following periodically show up in the logs for several
> different routers (7200, 7500) with several flavours of IOS ...
>
> %CI-3-BLOWER: ps1 fan failure
>
> when we investigate, there are "no faults" and the power supplies are always
> working fine ... it appears to be a bug in several hardware platforms and
> software revisions. Has anyone else noted a similar issue? Cisco can't find
> a problem.
>
> James MacDonald, CCNP
> Senior Platform Manager, IP
> Network Operations
> AT&T Canada Corp.
> 370 King St W., 6th Floor
> Toronto, ON M5V1J9
> Ph: 416-204-5793
> Fx: 416-204-5744
> Emergency: 416-204-5700 (NMC Hotline)
> Email: james.macdonald@attcanada.com
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