Reports until 16:31, Wednesday 11 February 2026
H1 General
ryan.crouch@LIGO.ORG - posted 16:31, Wednesday 11 February 2026 (89118)
OPS Wednesday Day shift summary

TITLE: 02/12 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY: HAM1 work continues, HAM7 is pumping down.
LOG:                                                                                                                             

Start Time System Name Location Lazer_Haz Task Time End
22:49 SAF LVEA is Laser SAFE LVEA NO* LVEA is Laser SAFE *BIFURCATED HAM1/2 16:49
16:10 FAC Kim LVEA N* Tech clean 17:30
17:10 SQZ Keita Optics lab LOCAL EOM 19:15
17:17 EE Marc, Fil LVEA, CER N* Pulling cables 00:46
17:28 FAC Mitch LVEA N Checks, WEST BAY 17:46
17:30 FAC Kim EndX N Tech clean 18:48
17:40 ISC Betsy LVEA N* Parts 17:48
17:49 SQZ Betsy Optics lab LOCAL Join Keita 19:15
17:54 ISC Camilla LVEA N* Bring out dog clamps 18:49
17:59 SQZ Elenna Optics lab LOCAL Join Keita 19:15
18:06 FAC Randy LVEA N /Y BSC2 tent, at height hazard 18:24
19:01 ISC Jason, Oli, Jennie LVEA Y HAM1, refl path, Viewport simulator 20:00
19:21 FAC Eric EndX N Chiller yard checks 19:35
21:20 SQZ Keita Optics lab LOCAL EOM? 23:32
21:33 ISC Jason, Jennie, Tony LVEA Y HAM1 work,  refl alignment ongoing
21:59 VAC Gerardo, Jordan LVEA N* HAM4 annulus ion work,  height laser hazard 23:16
22:14 FAC Mitch LVEA N West bay checks 23:09
22:26 FAC Richard LVEA N* Safety checks 22:50
22:35 SQZ Betsy Optics lab LOCAL Join Keita 23:36
00:29 ISC Betsy LVEA Y HAM1 Ongoing

18:15 UTC HAM7 SEI SW watchdog trip from a H7 crash, FE & ADC errors on IOPSUSH7 SUSFC1, SUSSQZIN SUSAUXH7, IPC and DK error on SEIH7.

Dave restarted everything ~20 minutes later