From jrshakya at stanford.edu  Wed Feb 20 15:30:37 2013
From: jrshakya at stanford.edu (jrshakya at stanford.edu)
Date: Wed, 20 Feb 2013 15:30:37 -0800 (PST)
Subject: [mrc-pcs] Problem mrc SNF 2013-02-20 15:30:37: Cryo pump not
	working?
Message-ID: <16200323.33.1361403037958.JavaMail.coral@snc-coraldb.stanford.edu>

Hi
I couldn't reach pressure below around 50mT even after opening Gate valve fully. I think something wrong with pump.
-Joe

From elmere at stanford.edu  Wed Feb 20 16:58:15 2013
From: elmere at stanford.edu (elmere at stanford.edu)
Date: Wed, 20 Feb 2013 16:58:15 -0800 (PST)
Subject: [mrc-pcs] Problem mrc SNF 2013-02-20 15:30:37: Cryo pump not
	working?
Message-ID: <7762487.34.1361408295308.JavaMail.coral@snc-coraldb.stanford.edu>

Reset the diffusion pump heater over temperature switch. This is normally caused by a fluctuation in the cooling water flow.