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User name Eric Voutier
Log entry time 21:49:33 on June14,2005
Entry number 146161
keyword=Shift Summary
New crew on shift: Vincent Sulkowsky, Drew Whitbeck, Eric Voutier
-----------------
16:00 Coming on shift while magnet cycling is underway
16:15 Q3 left arm is down, power off going to zero.
16:30 Q3 reset does not work; going to control access for hard reset
16:45 MCC asks to delay the access for 20mn to finish some work on
the energy spread
17:25 Going down to the hall to reset Q3; following the reset
procedure downstairs did not succeed; the faults came back every
time one tries to put the power supply on.
18:15 Heidi is down in the hall trying to solve the problem
18:27 The left arm is ramping down... Q3 problem is serious, needs
about 12 hours to fixe it when the parts are on site (resistors in
the breaker).
20:30 Going to Rob plan (entry 146136)
20:50 Beam is back, following the plan
21:37 Parking the RICH, HV off, gas flow @ 410
Going to empty target
21:50 ... Stopping the shift, Eugene should come over the night to
do some testing
Run History
-----------
I = 50uA
Run Number | Tachometer speed | T1 rate
parity/coda | |
-----------------------------------------
3437/4596 ....... 750 .......... 153.4 kHz
3438/4597 ....... 600 .......... 156.6 kHz
3439/4598 ....... 500 .......... 125.6 kHz
3440/4599 ....... 400 .......... 81.1 kHz
3441/4600 ....... 300 .......... 82.8 kHz