On Mon, 2009-05-04 at 16:19 -0400, David Liguori wrote:
One of the more common mechanisms for failure of electrolytic
capacitors is too high an ambient temperature over a period of time.
Usually the temperature rating is on the cap. You say the room is
well-ventilated but that doesn't rule out too high an ambient
temperature in a room full of equipment, especially if it was sitting
on top of or in a rack full of other equipment.
In some cases, perhaps many, regulating room temperature still doesn't
help you, as the device has inadequate cooling in itself (no fans, or no
grilles, or insufficient ones).
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