Piotr,
Sometimes the sensor gets ice in it. Probably mothing much you can do about
the readings except call JEOL. I am surprised that you got no help from
JEOL. Apparently you talked to the wrong person. I am routing Mr. Sado of
JEOL in on this email.
Mr. Sado
Service Engineer
JEOL
978-536-2350
sado_at_jeol.com
Vestel B. Shirley, Ph.D.
Laboratory Manager
School of Agriculture and Environmental Sciences
North Carolina A&T State University
1601 East Market Street
Greensboro, NC 27320
336-334-7243
http://www.ag.ncat.edu/facilities/analyticalservices/default.htm
-----Original Message-----
> From: piotrd [mailto:piotrd_at_cc.usu.edu]
> Sent: Friday, August 01, 2003 4:12 PM
> To: ammrl_at_chemnmr.colorado.edu
> Subject: Problem with JEOL GSX
Hello everybody!
One of the spectrometers I operate here is 13-years-old JEOL GSX-270. I have
just started my work as lab manager at the USU and I don't have any previous
experience with JEOL instruments.
About ten days ago nitrogen level gauge stopped showing any reliable numbers.
Display located on the box by the magnet shows some random numbers between 1
and 30% while the host computer (Delta 2.0 NMR program/SGI O2, IRIX 6.3 OS)
reads 40-90%. The readings change randomly and are absolutely unrelated to the
actual nitrogen level. Helium gauge stopped working years ago.
It seems that approximately at the same time DELTA2 (acquisition computer)
started signaling “SOFTWARE FAULT” (red light on the front panel). We can
still set up experiments and run acquisition but the system became slow
(sometimes EXTREMELY SLOW). Also the woman’s voice, saying: “Please check
your sample ID” does not talk to us anymore!
I am not getting much help from JEOL’s tech support. Apparently, nobody there
remembers such an old machine. I would greatly appreciate any help from JEOL
veterans who know GSX spectrometers.
Piotr
Piotr Dobrowolski
NMR/EPR Manager
Department of Chemistry and Biochemistry
Utah State University
0300 Old Main Hill, Logan UT 84322-0300
telephone: (435) 797-1673
fax: (435) 797-3390
Received on Tue Aug 05 2003 - 11:07:03 MST