State of H1: issues are preventing lock

Current Issues:

• BRSX - on, rung up, and not damping
• BRSY - Beckoff issues, dead

Activities since the end of Maintenance:

• OAF restarted
• DAQ restarted
• TCS restarted, now ok
• Initial alignment was done, with some dificulty, but did complete
• locking has not yet made it past Check IR
• currently troubleshooting in the CR
• currently Hugh and Patrick heading to EY to fix BRSY, then heading to EX to work on BRSX

State of the Site:

• winds are below 5mph
• useism is above 0.5, around 0.6-0.7

Activities up to 19:41UTC: all times UTC

• 15:00 - Rick, Peter, Jason, Kiwamu, psl mode matching / alignment
• 16:00 - Jim - OAF restart for TCS electronics hardware
• 16:03 - Bubba, John - LVEA - water check
• 16:15 - Ed - Oplev centering in LVEA
• 16:25 - Fil, Alfredo - LVEA 24V cabling
• 16:26 - Karen, Christina - EY, EX - cleaning
• 16:27 - Travis - EX pcal
• 16:29 - BRS off
• 16:34 - Carlos - WP6307
• 16:43 - TCS restarted - issues due to no connection for analog signals
• 16:54 - Hugh - EX SEI, de-isolating/re-isolating ISI and HEPI
• 17:11 - Joe - LVEA, battery check
• 17:11 - Richard - restarting both TCS chilllers
• 17:27 - Jonathan - working on frame writer 2
• 17:40 - Betsy - charge measurement on EY
• 17:57 - TCS is back
• 17:57 - Dave - EX PEM restart
• 17:57 - Karen back
• 18:20 - Hugh - from EY to EX
• 18:20 - Travis - back from EX, pcal
• 18:22 - PSL testing output, needs max power, 61.876 requested at this time = 40.6W
• 18:22 - Daniel - working on dark offsets
• 18:22 - Daniel - closes shutter between PSL and HAM1
• 18:34 - Greg - WP 6308, DMT update
• 18:35 - Travis, Sudarshan - EY, pcal
• 18:46 - PSL done, laser power back down to 2W
• 18:58 - OAF dies, TCS issues, being worked on
• 18:59 - PSL work is done
• 19:04 - Daniel - LVEA, PMC servo work, electronics
• 19:06 - Gerardo to MX, VAC
• 19:08 - Alfredo to EX
• 19:19 - Hugh - done at EX
• 19:36 - Alfredo back from EX
• 20:00 - Vern - LVEA, tour
• 20:18 - Travis - back from EY