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ID Date Author Operational Mode Subject Text   206   Wed Jul 4 11:13:12 2007 Doug Preddy Quench Recovery test This is a test to make sure the e-mail works.      205   Sun Jul 1 16:09:37 2007 Doug Preddy Normal Running M9B:DP2 tripped off Diffusion pump tripped off and vacuum (and power lead temps) going up. I  had an experimentor cycle HIC 142 at 4:15      204   Tue Jun 19 21:15:41 2007 Doug Preddy Quench Recovery Today's quench power lead temps caused a quench at 8:30 this morning. Recovery of system  and flow to solenoid was started by 11:00.      203   Sat Jun 16 15:05:03 2007 Doug Preddy Normal Running Solenoid power lead temp problem Power lead temps rippling and increasing. I asked an operator to cycle  HIC142. This seems to have fixed the problem      202   Thu Jun 14 00:10:10 2007 Doug Preddy Quench Recovery recovering from earlier quench Solenoid quenched on power lead temperature last night at about 6:00. I  restarted flow to the solenoid in parallel      201   Tue Jun 12 12:48:25 2007 Doug Preddy Maintenance added one bottle UHP helium to system        200   Thu May 31 11:51:49 2007 Doug Preddy Quench Recovery Switched to series mode        199   Thu May 31 07:11:05 2007 Doug Preddy Quench Recovery switched to parallel cold return switched to parallel cold return earlier this morning. Vacuum is 5 x 10-5.      198   Wed May 30 11:27:32 2007 Doug Preddy Quench Recovery Problems recovering Various start up problems : MV51 stuck open. Finally got it closed by hitting the valve with a hammer.      197   Wed May 30 08:38:38 2007 Doug Preddy Quench Recovery Solenoid quenched this morning Solenoid quenched this morning on power lead temp (I believe). I restarted it at ~7:00, but the capacity      196   Wed May 16 10:02:35 2007 Doug Preddy Maintenance warming up power leads Power lead temps have been slowly increasing over the last wekk. I ramped  the solenoid down and am warming the power      195   Wed May 2 16:28:16 2007 Doug Preddy Normal Running Energizing solenoid to 500 amps Power supply initially would not ramp up. I exercised the rate control  selector switch and found that the power      194   Mon Apr 30 09:30:26 2007 Doug Preddy Normal Running problems over weekend The PLC Limit switch power supply was tripped off on Saturday. I came in  and reset it and restarted all the vacuum      193   Fri Apr 27 10:32:07 2007 Doug Preddy Quench Recovery Reset quench relay logic box The quench relay logic controller was not functioning correctly. It showed  a "Trip" light and no other lights. I cycled      192   Fri Apr 27 10:16:44 2007 Kevin Trithardt Quench Recovery Test Don't Panic -- There was no quench. I am testing the e-log. I have added Kevin's name and e-mail to the      191   Fri Apr 27 10:10:07 2007 Doug Preddy Normal Running Solenoid Cold Solenoid cold, power leads cold. Alarm handler started.      190   Tue Apr 24 10:21:49 2007 Doug Preddy Start Up Started flow to turbines Started flow to turbines at about 10:00 in parallel warm mode.      189   Mon Apr 23 16:31:02 2007 Doug Preddy Start Up Started compressor Startewd compressor and purifer today.      188   Fri Apr 20 12:15:12 2007 Doug Preddy Start Up remote PLC switch I could not control the vacuum devices using EPICS. The buttons could be  pushed, but nothing would respond. The PLC      187   Thu Apr 19 15:18:25 2007 Doug Preddy Start Up preparing to start the refrigerator Starting the vacuum systems in the coldbox and solenoid.

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