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Message ID: 7     Entry time: Tue Jun 7 07:48:52 2011
Author: Andrew Valencik 
Type: Routine 
Category: General 
Subject: Owl Shift June 7 - DTL Tripping issues 

0:02 Run 328 started

1:33 Run 328 stopped so ISAC control could run tests and take measurements

1:36 Run 329 starts. Beam drops at 2:30am. Stop runat 2:36. "DTL tank 1 tripped off" -ISAC Summary

2:40 Run 330 starts. DTC Tank 1 trips again, lost beam for about 6min

3:23-3:49 no beam

3:49 beam returns, start run 331, beam only lasts for 3 minutes

No beam…

5:14 beam returns. Start run332 continues for 2 hours

7:15 new run started. Leakage currents measured, all normal.

 

Beam issues were caused by a waterflow problem in the DTL tanks, more details available on the ISAC Operations Logbook for June 7

 

 
 

 

 

 

 

 

 

 

 

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