TITLE: 08/26 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 115Mpc
INCOMING OPERATOR: Ed
SHIFT SUMMARY:

Had one lockloss which ended a 30hr lock.  Relocking took 2.5+hrs.  Would love this to be quicker!  Virgo has already started Mainteance.
LOG:

• 23:54-0:01 TCS Chiller check (Corey)
• 1:00 Access System:  Noticed some doors in alarm state at EY (yellow & red lightning flashing image).  Able to clear this up via the Management screen (also informed Richard...looked like a communications issue).
• 2:15 LOCKLOSS
• Lock #1
  • 2:16-2:27ALSy not locking
  • Lockloss on PRMI (ASC seemed to drive off)
    • BS was way misaligned as observed on CHECK_MICH_FRINGES
    • Afterward could see pit flashing for PRMI, so tweaked on PRMI in pit.  PRMI locked, but once again ASC drove off (this time BS was not misaligned, as observed in FRINGES).
    • 2:50-3:10 INITIAL ALIGNMENT
• 3:13 Lock#2
  • Note:  Made it past CARM_OFFSET_REDUCTION w/ no issue (after an initial_alignment was run)
  • 3:37 Lockloss at ENGAGE_SOFT_LOOPS:  ASC caused PR Gain & POP18 to degrade over 4min.
• 3:39 Lock#3
  • Babysat ASC Error signals at PREP_ASC....first with CSOFT, yaw, -0.03 steps....BUT....
  • Lockloss @3:54  (which was after steps above was minimizing csoft yaw)
• 3:54 Lock#4
  • 4:13-4:40 Babysitting ASC steps (i.e. PREP ASC, ENGAGE ASC, & ENGAGE SOFT LOOPS) & baby sitting is where I'm running the error signal reduction command JeffK posted last week.
• 4:53 OBSERVING!(No SDFs to deal with)