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October 2010

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Subject:
From:
Ritchie Sims <[log in to unmask]>
Reply To:
JEOL-Focused Probe Users List <[log in to unmask]>
Date:
Tue, 12 Oct 2010 10:08:55 +1300
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*

Does that model have, as does the 840, a temperature sensor on the water-cooled beam 
deflection electronics which cuts power to the system electronics if it thinks there has been 
undue temperature rise? If it does, maybe there has been a water flow failure to that branch 
of the water cooling, or maybe the sensor has gone phut.

cheers
Ritchie



On 12 Oct 2010 at 8:45, Neal Nichols wrote:

JEOL Probe Users Listserver 
Moderator: Ellery Frahm, [log in to unmask], Electron Microprobe Lab, University of 
Minnesota
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*
My JSM5800LV lost all displays and electronic controls the other night. Vacuum controls are 
OK. All obvious fuses are OK, power indicators on boards are all green. There may have 
been a power interruption or transient. Powering off and on didn't help. Is there a reset of 
some kind or a component most likely to cause this failure? Any thoughts or suggestions will 
be appreciated. 

Neal T. Nichols 
Manager, Materials Testing 
American Glass Research 
349 Tomahawk Drive 
Maumee, OH 43537 
(419) 740-6071 
fax (419) 897-9111 
--
Ritchie Sims Ph D				Phone : 64 9 3737599 ext 87713
Microanalyst                 				Fax   : 64 9 3737435
Department of Geology        			email : [log in to unmask]
The University of Auckland   
Private Bag 92019
Auckland
New Zealand

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