Re: [foxboro] Bulging Capacitors in P92 (P0923LT)
- From: Ken Heywood <KHeywood@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 31 Mar 2015 15:36:53 +0000
Downside to that is that all the boxes are the same vintage with all the same
problems.
Thank You,
Ken Heywood
Calibration Laboratory Manager
PROCESS CONTROL SERVICES, INC.
Established in 1983
http://www.processcontrolservices.com
mailto:KHeywood@xxxxxxxxxxxxxxxxxxxxxxxxxx
Telephone: 734-453-0620
Wireless: 508-241-2040
===============================================
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of William C Ricker
Sent: Tuesday, March 31, 2015 11:25 AM
To: <foxboro@xxxxxxxxxxxxx>
Subject: Re: [foxboro] Bulging Capacitors in P92 (P0923LT)
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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