[j-nsp] Fan Tray Failure in JM20

[Keegan Holley]

If they all go at the same time it may indicate that the chassis connections
to it is bad.  Can you try the same fans in a different chassis?


2011/10/10 Jon Helman <jon at ic2net.net>

> Graham,
>
>
>
> Previously, I was only receiving a syslog report that the upper fan tray
> had
> failed.
>
>
>
> I went to the router site and replaced the upper left fan assembly.  After
> that they all reported failure.
>
>
>
> I placed my hand over the side of the JM20 and I feel no air being pushed
> out from the unit.
>
>
>
> The unit has ample A/C directly blowing on it.
>
>
>
> Is there some type of fuse that powers all of the fan tray units?
>
>
>
> Thanks for your assistance,
>
>
>
> Jon Helman
>
> Owner
>
>
>
> 714-970-5011 Phone ext 2260
>
> 714-660-2260 Direct
>
> 714-970-5449 Fax
>
> jon at ic2net.net
>
>
>
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