From nharjee at snf.stanford.edu  Tue Jul  5 23:52:54 2011
From: nharjee at snf.stanford.edu (nharjee at snf.stanford.edu)
Date: Tue, 5 Jul 2011 23:52:54 -0700
Subject: Problem tylan2 SNF 2011-07-05 23:52:53: TEMPC thermocouple marked "bad"
Message-ID: <mailman.941.1356283653.4932.tylan2-pcs@snf.stanford.edu>

On the furnace status page ("DI ST 2"), the TEMPC thermocouple is marked with "b = BAD". Tried to run WET900. Aborted process and moved to tylan1.



From tberg at snf.stanford.edu  Wed Jul  6 06:48:49 2011
From: tberg at snf.stanford.edu (tberg at snf.stanford.edu)
Date: Wed, 6 Jul 2011 06:48:49 -0700
Subject: Problem tylan2 SNF 2011-07-05 23:52:53: TEMPC thermocouple marked "bad"
Message-ID: <mailman.942.1356283653.4932.tylan2-pcs@snf.stanford.edu>

Cleaned contacts on TC reset TCU. all looks normal now



From seymour at snf.stanford.edu  Wed Jul  6 11:52:18 2011
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: Wed, 6 Jul 2011 11:52:18 -0700
Subject: Comment tylan2 SNF 2011-07-06 11:52:18: rear zone not reading correct temp.
Message-ID: <mailman.943.1356283653.4932.tylan2-pcs@snf.stanford.edu>

removed TCU board and cleaned contacts. reinstalled board and checked temp readouts. all were correct.



From seymour at snf.stanford.edu  Wed Jul  6 11:52:51 2011
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: Wed, 6 Jul 2011 11:52:51 -0700
Subject: Comment tylan2 SNF 2011-07-06 11:52:18: rear zone not reading correct temp.
Message-ID: <mailman.944.1356283653.4932.tylan2-pcs@snf.stanford.edu>




From dongrip at snf.stanford.edu  Thu Jul  7 20:24:14 2011
From: dongrip at snf.stanford.edu (dongrip at snf.stanford.edu)
Date: Thu, 7 Jul 2011 20:24:14 -0700
Subject: Problem tylan2 SNF 2011-07-07 20:24:13: TCU error: 02 at Tycom
Message-ID: <mailman.945.1356283653.4932.tylan2-pcs@snf.stanford.edu>

TCU error: 02 appeared at Tycom. I don't know what this means. 



From seymour at snf.stanford.edu  Fri Jul  8 07:35:25 2011
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: Fri, 8 Jul 2011 07:35:25 -0700
Subject: Problem tylan2 SNF 2011-07-07 20:24:13: TCU error: 02 at Tycom
Message-ID: <mailman.946.1356283653.4932.tylan2-pcs@snf.stanford.edu>

reset TCU error



From narii at snf.stanford.edu  Mon Jul 18 17:56:36 2011
From: narii at snf.stanford.edu (narii at snf.stanford.edu)
Date: Mon, 18 Jul 2011 17:56:36 -0700
Subject: Problem tylan2 SNF 2011-07-18 17:56:36: Weird temperature profile
Message-ID: <mailman.947.1356283653.4932.tylan2-pcs@snf.stanford.edu>

>From Tycom, there is too much temperature difference between L,C,S even though the tube has been closed for a long time.



From seymour at snf.stanford.edu  Tue Jul 19 07:10:13 2011
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: Tue, 19 Jul 2011 07:10:13 -0700
Subject: Problem tylan2 SNF 2011-07-18 17:56:36: Weird temperature profile
Message-ID: <mailman.948.1356283653.4932.tylan2-pcs@snf.stanford.edu>

temps of all zones look good At this time



From latta at snf.stanford.edu  Thu Jul 21 15:43:14 2011
From: latta at snf.stanford.edu (latta at snf.stanford.edu)
Date: Thu, 21 Jul 2011 15:43:14 -0700
Subject: Problem tylan2 SNF 2011-07-21 15:43:13: User reports Temp reading incorrect
Message-ID: <mailman.949.1356283653.4932.tylan2-pcs@snf.stanford.edu>

Source TC is not reading the specified temp.



From seymour at snf.stanford.edu  Fri Jul 22 08:41:20 2011
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: Fri, 22 Jul 2011 08:41:20 -0700
Subject: Problem tylan2 SNF 2011-07-21 15:43:13: User reports Temp reading incorrect
Message-ID: <mailman.950.1356283653.4932.tylan2-pcs@snf.stanford.edu>

the source zone tr/c connections were checked and tightened. I also checked tcu connections and reset board.
 Temp is now controlling all zones.