Reports until 08:05, Thursday 11 April 2024
LHO General
thomas.shaffer@LIGO.ORG - posted 08:05, Thursday 11 April 2024 - last comment - 08:07, Thursday 11 April 2024(77104)
Ops Day Shift Start

TITLE: 04/11 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Aligning
OUTGOING OPERATOR: Ryan C
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 3mph Gusts, 2mph 5min avg
    Primary useism: 0.02 μm/s
    Secondary useism: 0.15 μm/s
QUICK SUMMARY: 17 hour lock ended about an hour ago. H1 is currently running an alignment, but stuck at green locking with no light on Y arm. HEPI and both ISI statges at EY have tripped during locking, not sure of the cause yet.

 

Comments related to this report
thomas.shaffer@LIGO.ORG - 08:07, Thursday 11 April 2024 (77105)SEI

HEPI EY pump controller looks to have tripped off for some reason. I'll get ahold of Jim and continue investigating.