Re: [foxboro] Bulging Capacitors in P92 (P0923LT)
- From: William C Ricker <wcricker@xxxxxxxxxxxxxxx>
- To: "<foxboro@xxxxxxxxxxxxx>" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 31 Mar 2015 11:24:45 -0400
We have clients whose action is to get replacement units from the used computer
market. They are plentiful and it shouldn't be difficult to find systems with
matching specs, then swap in the options cards and disk from the failed box.
Sent from my iPhone
> On Mar 31, 2015, at 9:58, Michael Toecker <michael.toecker@xxxxxxxxx> wrote:
>
> All Powerful List,
> I have an interesting case for you.... We have several P92 workstations,
> foxboro part P0923LT, that have been experiencing failures. After analysis,
> an outside party identified that the failure was due to failed (bulging)
> electrolytic capacitors on the Dell P390, and replaced them. We're in a
> difficult place in our lifecycle replacement, and are coming up with a
> bridging strategy between our current setup and a future setup, this is a
> big problem in that strategy.
>
> Has anyone else on the list experienced this failure? If so, was there
> more detail on what failed, why it failed, and how to prevent similar
> failures?
>
> My concern is that replacing the capacitors may be a stopgap, and that
> there may be other factors involved in the failures. For instance, if the
> power supply isn't providing power to the motherboard at spec, it may
> affect capacitor reliability. Humidity and temperature may also
> contribute, as may storage of these systems when not in use. Also, these
> capacitor failures may have other unintended effects elsewhere in the
> system.
>
> So, basically I'm asking for your experience and some ideas on what might
> be going on. Thanks!
>
> --
>
> Michael Toecker
>
>
>
>
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