>===== Original Message From Stable Isotope Geochemistry
<[log in to unmask]> =====
>I am using a Europa ANCA-SL 20/20.
>
>Sometime over the weekend the turbo pumps shut down.   This has happened
>one other time within the last 3 months.   The program was still open on
>my computer, so I don't believe there was a power outage.   I replaced
>the filament recently, but the system had fully pumped down for several
>days prior to this event.   A background scan did not reveal any sign of
>a leak.   Is there anything else I should be checking?
>
>Linda Osborne
>Arizona State University