TITLE: 03/19 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Commissioning
INCOMING OPERATOR: None
SHIFT SUMMARY:
Squeezer work at the beginning of the shift and then transitioned to IM adjustments. Had issues with INPUT ALIGN part of both Alignments during the shift.
LOG:
- 2335 Lockloss (due to IM adjustments?)
- Jim ame in mentioning EX has been getting huge kicks after locklosses (this is why the ISI Watchdogs has been prepping. They mentioned this has been happening since the "new DARM".
- 2339 running Initial Alignment per recent standard procedure.
- If have issues, Jennie said check IM1 & IM3 Pitch change from
- IM1 Pitch was 7794
- IM3 Pitch was -7576
- After a couple of attempts at Input Align with the IMC losing lock, restored the IM pitches
- Went for a Manual Alignment to get through Input Align
- 0023 IM4 & PR2 tweaks at ACQUIRE XARM IR. Then moved to INPUT ALIGN OFFLOADED
- For SRC Align---had to touch SRM pitch by hand
- Lock#1: DRMI didn't lock; PRMI locked.
- TRANSITION FROM ETMX had a huge glitch that lingered for a minute (saw a big control signal glitch for DHARD Yaw, but it rode through it).
- 0021 Done in Optics Lab (Julian, Camilla)
- 0055-0100 Runners of the Sage in Control Room
- 0100-0233 Y-arm run
- 0240 Cassidy and Camilla leaving LExC
- 0124 H1 at NOMINAL LOW NOISE
- 0511 LOCKLOSS (w/ EX ISI Watchdog trip again)
- Jennie restored IM1, IM3, PRM
- 0520-0653 MANUAL INITIAL ALIGNMENT
- Had trouble at Input Align step with the red xarm having difficulty locking and also kicks being sent to the IMC to break IMC lock.
- IM4 pitch was restored to its value from an earlier Initial Alignment (i.e. 480
- Finally made it through INPUT_ALIGN! And then continued through the rest of the alignment without issues.
- 0653 Return to locking & setting H1 for NLN (it's currently at ENGAGE ASC)