From sanli at snf.stanford.edu  Wed May 21 03:54:27 2003
From: sanli at snf.stanford.edu (sanli at snf.stanford.edu)
Date: May 21, 2003 3:54:27 PM
Subject: Problem tylan4 2003-05-21 15:54:26: Report Problem for tylan4
Message-ID: <mailman.114.1357938851.25973.tylan4-pcs@snf.stanford.edu>

DTLK stays on even when the tube is open



From seymour at snf.stanford.edu  Thu May 22 08:02:36 2003
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: May 22, 2003 8:02:36 AM
Subject: Shutdown tylan4 2003-05-22 08:02:32: Report Shutdown for tylan4
Message-ID: <mailman.115.1357938851.25973.tylan4-pcs@snf.stanford.edu>

looking into the door interlock problem



From seymour at snf.stanford.edu  Fri May 30 09:51:33 2003
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: May 30, 2003 9:51:33 AM
Subject: Shutdown tylan4 2003-05-22 08:02:32: Report Clear for tylan4
Message-ID: <mailman.116.1357938851.25973.tylan4-pcs@snf.stanford.edu>

door interlock interface transistor not getting signal to mfs460 .
fixed the connection problem and checked system for proper operation,



From seymour at snf.stanford.edu  Fri May 30 09:53:03 2003
From: seymour at snf.stanford.edu (seymour at snf.stanford.edu)
Date: May 30, 2003 9:53:03 AM
Subject: Problem tylan4 2003-05-21 15:54:26: Report Clear for tylan4
Message-ID: <mailman.117.1357938851.25973.tylan4-pcs@snf.stanford.edu>

door  open signal on tycom when door opened and system interlocks functional.



From kailash at snf.stanford.edu  Sat May 31 06:15:22 2003
From: kailash at snf.stanford.edu (kailash at snf.stanford.edu)
Date: May 31, 2003 6:15:22 PM
Subject: Shutdown tylan4 2003-05-31 18:15:21: Report Shutdown for tylan4
Message-ID: <mailman.118.1357938851.25973.tylan4-pcs@snf.stanford.edu>

Wafer broke inside tube. Possible wafer pieces inside