I've never seen it on a router but a server did that once. It turned out to
be the sensor for fan speed was bad & giving false errors.
----- Original Message -----
From: "John Neiberger"
To:
Sent: Wednesday, May 23, 2001 4:32 PM
Subject: OT: C3660 Fan Issue [7:5616]
> We recently purchased a used 3660 and we get the following entries in
> the logs:
>
> 00:22:33: %FAN-3-FAN_FAILED: Fan 6 had a rotation error reported.
> 00:23:03: %FAN-3-FAN_OK: Fan 6 had earlier reported a rotation error.
> It is ok now
>
> This was originally happening just with Fan #6 so we replaced the fan
> assembly and we're now seeing it with all fans. We put the first
> assembly back on the router and the behavior continues.
>
> Have any of you seen this on 3660 routers? Is this a fairly common
> issue? The fans are all spinning but the error seems to indicate that
> they're not spinning at the proper speed. I'm not very worried, just
> annoyed.
>
> I've searched CCO and can find no mention of this sort of behavior
> except in the context of a truly failed fan.
>
> Any thoughts?
>
> Thanks,
> John
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