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ID Date Author Operational Mode Subject Text   246   Wed Apr 16 16:51:16 2008 Doug Preddy Start Up switched to parallel cold return        245   Wed Apr 16 15:15:44 2008 Doug Preddy Start Up refrigerator started Turned on compressor last Tuesday. Ran purifier until today. Final value 0.15ppm. Started cool down yesterday. Switched into parallel      244   Wed Apr 16 15:12:01 2008 Doug Preddy Normal Running graphs to load There are three strip tools saved: coils powerlead startup      243   Tue Apr 1 15:17:06 2008 Doug Preddy Start Up Starting up vacuum systems Monday afternoon there was no control of the vacuum system. The controls were working, but no output to devices. The "output" breaker      242   Mon Dec 3 14:59:58 2007 Doug Preddy Quench Recovery Not really a quench recovery, But... Not really a quench recovery, but...I wanted to send this out via e-mail.  The contactor for the compressor building      241   Wed Nov 28 15:07:08 2007 Kevin Trithardt Other power lead regeneration Power leads cold again, power supply ramping up.      240   Tue Nov 27 21:02:08 2007 Doug Preddy Normal Running power lead ripples power leads were oscillating tonight. John K. came down and cycled CV142.  (Thanks John!) Temps settling out.      239   Mon Nov 26 09:45:43 2007 Doug Preddy Normal Running power lead problems Power lead temperatures were rippling yesterday afternoon. I asked one of  the operators to cycle CV142.      238   Fri Nov 23 08:41:45 2007 Doug Preddy Normal Running screen grab of powerlead temps        237   Fri Nov 23 08:35:37 2007 Doug Preddy Normal Running power lead problems About 10 hours ago the power lead temperatures started to fluctuate and  climb.      236   Mon Nov 19 04:30:47 2007 Doug Preddy Quench Recovery switched to series mode        235   Mon Nov 19 02:58:44 2007 Doug Preddy Quench Recovery Solenoid quenched on power lead over temperature I received a page at 1:30 this morning. The power lead temperatures were  climbing. Cycling CV142 did not fix the problem.      234   Fri Nov 9 18:56:20 2007 Doug Preddy Maintenance System Ready to Run M9BMP2 was replaced. Vacuum good. Solenoid is ramped up. :)      233   Fri Nov 9 16:24:33 2007 Doug Preddy Maintenance 2APLC Died thumb wheel panel all lite up. 2APLC rebooted by Klara (Thanks). M9BMP2 not  pumping properly. Edi is looking at it.       232   Fri Nov 9 14:50:03 2007 Doug Preddy Quench Recovery Solenoid cold Solenoid cold. Added two bottles of helium. Allowing to stablize. Will  ramp power supply in half an hour.      231   Fri Nov 9 07:37:44 2007 Doug Preddy Quench Recovery switched to series mode switched to series mode.      230   Thu Nov 8 09:28:53 2007 Doug Preddy Quench Recovery started compressor And started flow to coldbox,solenoid in parallel warm return.      229   Wed Oct 24 12:04:06 2007 Doug Preddy Maintenance power lead and cryopump regeneration Regenerating M9B:CP2 as temperature was up to almost 20k. Shut off flow to power leads to allow them      228   Tue Oct 9 13:16:44 2007 Doug Preddy Quench Recovery switched to series mode        227   Tue Oct 9 12:58:22 2007 Doug Preddy Quench Recovery Solenoid Quench 2 Refrigeration sytem shut off at ~ 12:30 today. No apparent reason. Only  light on was a cold box fault.

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