TITLE: 05/18 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 133Mpc
SHIFT SUMMARY:

PEM Week Continues

GC Network outtage at 6pm PT tonight.
LOG:

• 1554 H1 out of OBSERVING due to Squeezer
• 1554 PEM Team Take Over until 9pm
• 1632-1653 Checking failed back-up chiller at EX (bubba)
• 1650-1700 DiagMain work (tj)
• 1736-1742 PEM equip trip to lvea (robert)
• 1755 MX PEM set up (robert)
  • 1906 Back out (robert)
• 1750 GDS calibration pipeline restart (jamie)
• 1809 Nuc30's DARM needed to be restarted due to crashing again. 
• 1819 Cleaning of H2 room (kim)
• 1902 Y-arm jog (eadie)
• ~1922 Out to LVEA & then FCES (robert.anamaria.maryjane)
• 1925 lockloss (there were OMC overvflows & also PEM team was heading to LVEA/FCES)
  • LOCK#1:  1927 start
  • Had PLL Error with beat note out of range error for the X-arm (symptom:  Error note for ALS + on ndscope the TRX channel was very noisy & no showing the usual flashes)
  • With Camilla we saw Austin's alog and made a few changes on ALS_CUST_LASER_LOCKING.adl for X-arm:
    • reverted Beatnote RF min to -15.0 (from -10.0)
    • Took Crystal Frequency to -200
    • After this it eventually locked.
    • Then ALS_XARM continued with INCREASE_FLASHES
  • DRMI:  looked dead and off in yaw.  Moved PRM off in -Yaw to help a little, but ended up going to PRMI.
  • PRMI:  tiny locks, small adjustments made to PRM in yaw and then moved to BS in -yaw direction.  Then PRM locked.
  • 2059 Lockloss at OMC WHITENING (Lockloss tool failed for this one, and for this one PEM team was moving shaker equipment from EX to EY)
  • LOCK#2:  2100 start
  • No intervention
  • 2142 Lockloss (for no obvious reason) at TRANSITION FROM ETMX
  • LOCK#3:  2146 start
  • No intervention
  • Saw several "GDS/DAQ glitches" on DARM FOM
  • Stuck in OMC WHITENING (at 30min and counting)
  • 2305 Handed off to Austin
• 2001-2043 Sqz script work (Camilla)
• 2022 Moving PEM/shaker equip from EX to EY (anamaria,robert)
• 2130 Increasing PCal lines (jeff)
• 2147 Hepta pump photos at mid station (gerardo)
• 2212 DiagExc work (tj)
• 2232 & 2234 Scary GDS/DAQ glitch seen on DARM FOM in Control Room!  (just as we were at last steps before NLN)