Re: [foxboro] Bulging Capacitors in P92 (P0923LT)
- From: "Brown, Stanley" <stan.brown@xxxxxxxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 31 Mar 2015 14:04:13 +0000
There was a period of time in the past where the manufacturer of the
motherboard capacitors was having quality issues. There is a year or so worth
,motherboards that all fail this way. If you have been able to repair them
(with good caps) then they should last a while.
-----Original Message-----
From: Stan Brown [mailto:stanb@xxxxxxxxx] On Behalf Of Michael Toecker
Sent: Tuesday, March 31, 2015 09:59 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Bulging Capacitors in P92 (P0923LT)
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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