thomas.shaffer@LIGO.ORG - posted 10:17, Friday 27 September 2024 - last comment - 10:42, Friday 27 September 2024(80328)
Lock loss early this morning seems to be FSS related
Lockloss 1411472854
The lock loss tool tagged FSS oscillation. Trending H1:PSL-FSS_FAST_MON_OUT_DQ shows that something started to get noisy 35seconds before lock loss. I didn't see any other strangeness in our usual LSC, ASC, ETMX, DARM signals.
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Unlike what Ryan C saw on Sept 21, the IMC refl servo splitmon and tidal seem stable when the FSS starts to get noisy and the PC mon channel starts to drift.
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