jeffrey.bartlett@LIGO.ORG - posted 16:23, Saturday 11 March 2017 (34751)
Ops Day Shift Summary
Ops Shift Log: 03/11/2017, Day Shift 16:00 – 00:00 (08:00 - 16:00) Time - UTC (PT)
State of H1: Unlocked and DOWN
Intent Bit: Commissioning/Environment/other
Support: Jim, Peter,
Incoming Operator: Travis
Shift Summary: Ran A2L script – Pitch is at or below the reference; Yaw is over 0.7. Will run the A2L script if the opportunity presents.
Wind and seismic activity has been rising since mid-shift. Several gusts near 40 (at least one over). Primary microseism in X & Y is around 0.09um/s and secondary microseism in Z is up to 2.0um/s. Lost lock just after big wind gust (over 40), PI-Modes 23 & 27 ringing up, and microseism high. Shortly after the lock loss, the PSL went down with a Flow1 error. Peter is coming in to reset the PSL.
Activity Log: Time - UTC (PT)
16:00 (08:00) Take over from Nutsinee
16:20 (08:20) Ran A2L check script
23:21 (15:21) Lockloss – High winds, PI-Mode 23 & 27 ringing up, and high microseism
23:26 (15:26) PLS tripped with standard Flow-1 error
00:00 (16:00) Turn over to Travis