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)
- 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)