H1 called for help after "Not ready for 15 minutes" at 11:38 UTC. IMC_LOCK and LASER_PWR are in fault. My medms aren't opening on my no machine unless I do guardmedm in the console. IMC lock is saying the PMC and FSS can't lock, LASER_PWR is in fault, unable to get to 2Ws "IMC has no power". Following the IMC locking issues wiki page I've tried DOWN initing ISC_LOCK, IMCLOCK, and LASER_PWR, the FSS noise eater is green.

TITLE: 10/21 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Observing at 157Mpc
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY: Two locklosses this shift, one from the PSL glitching, each followed by fully automatic relocks. Otherwise, it's been a fairly quiet evening.

• 23:30 - H1 observing for 1.5 hours
• 01:09 - Lockloss - alog80778
• 02:18 - Observing
• 03:25 - Lockloss - alog80779
• 04:23 - Observing

Lockloss @ 03:25 UTC - link to lockloss tool

The NPRO/FSS had been glitching with high frequency for about a minute prior to the lockloss, so I feel confident saying it's the cause here.

Lockloss @ 01:09 UTC - link to lockloss tool

No obvious cause; doesn't look like the FSS, and I don't see evidence of an ETM glitch or DARM wiggle.

H1 returned to observing at 02:18 UTC after a fully automatic relock.

TITLE: 10/20 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 156Mpc
INCOMING OPERATOR: Ryan S
SHIFT SUMMARY:

IFO is in NLN and OBSERVING as of 21:31 UTC

Mostly quiet shift with one fussy lock acquisition.

Lock Acquisition had no special problems but rather, a slew of small annoyances (unknown cause Lockloss alog 80773):

• 1 PSL FSS glitch (losing lock from MOVE_SPOTS) and 1 other time from a lower pre-DRMI state
• Guardian stuck at DRMI_LOCKED_CHECK_ASC for over 30 mins due to unconverged SRC1,2 Y signals (despite touching)
  • Ended up inducing LL and it seems that the initial alignment done prior was no longer relevant (I'm guessing due to wind jump of 15mph during Lock acquisition)
  • Ran another initial alignment.
  • Lock Acquisition was fully auto thereafter.
• Wind hovering around 30mph (rough border for ALS and DRMI locking issues statistically)

Other:

• SQZ Tuning: Range was low due to SQZ angle being sub-optimal so went into comissioning (14:41-14:47 UTC) to adjust the opo temp (no improvement) and then SQZ_ANG_ADJUST, which improved the range by ~10MPc (I know!)
• PSL Chiller Check: Verbal alarm twice to check it. When Ryan S arrived, he showed me how to refill it, which he did this time (100ml) (alog 80775).

LOG:

None

TITLE: 10/20 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Observing at 157Mpc
OUTGOING OPERATOR: Ibrahim
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 21mph Gusts, 16mph 3min avg
    Primary useism: 0.03 μm/s
    Secondary useism: 0.15 μm/s
QUICK SUMMARY: H1 has been observing for about 1.5 hours.

• Wind speeds moderate, microseism just dropped below the 50th percentile
• All other systems nominal

Closes FAMIS 26307. Last checked in alog 80649. Service mode error, see SYSSTAT.adl is the only new difference between last week's check.

Laser Status:
    NPRO output power is 1.827W (nominal ~2W)
    AMP1 output power is 64.44W (nominal ~70W)
    AMP2 output power is 137.4W (nominal 135-140W)
    NPRO watchdog is GREEN
    AMP1 watchdog is GREEN
    AMP2 watchdog is GREEN
    PDWD watchdog is GREEN

PMC:
    It has been locked 1 days, 22 hr 40 minutes
    Reflected power = 24.82W
    Transmitted power = 100.8W
    PowerSum = 125.7W

FSS:
    It has been locked for 0 days 0 hr and 4 min
    TPD[V] = 0.8048V

ISS:
    The diffracted power is around 2.4%
    Last saturation event was 0 days 0 hours and 5 minutes ago

Possible Issues:
    AMP1 power is low
    PMC reflected power is high
    Service mode error, see SYSSTAT.adl

Lockloss due to unknown cause. Not PSL this time. Still investigating.

Sun Oct 20 10:13:53 2024 INFO: Fill completed in 13min 49secs

TITLE: 10/20 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 149Mpc
OUTGOING OPERATOR: Ryan C
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 6mph Gusts, 4mph 3min avg
    Primary useism: 0.02 μm/s
    Secondary useism: 0.15 μm/s
QUICK SUMMARY:

IFO is in NLN and OBSERVING as of 09:46 UTC (5 hr lock).

Range is a bit low so will see what that's about.

H1 called for assistance at 09:42 UTC from the NLN timer expiring, by the time I logged in 4 minutes later we were Observing 09:46 UTC. There was a high state lockloss, at LASERNOISE_SUPRESSION.

TITLE: 10/20 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Observing at 152Mpc
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY: Fairly quiet shift with one lockloss followed by an automatic relock. H1 has now been observing for over 2 hours.

• 23:30 - H1 observing for 3 hours
• 01:32 - Lockloss - alog80767
• 02:47 - Observing

Lockloss @ 01:32 UTC - link to lockloss tool

No obvious cause; looks like a sizeable ETMX glitch about a half second before the lockloss.