TITLE: 10/23 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Corrective Maintenance
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY: We made it to NLN but the ETMY roll mode took us down, it appears to have rung up each time we get into OMC_WHITENING since maintenance.

I found new settings for ITMX mode13, FM1+FM2+FM10 G= -0.5. 

The first 2 aquisitions we saw the Roll mode ringup but this 3rd time we did not, we slowly brought the IFO up, pausing to look at the mode in CHECK_VIOLINS, 10Ws, 25Ws, MAX_POWER,  TRANSITION_FROM_ETMX, and LOWNOISE_ESD_ETMX.
LOG: No log.

• 00:43 UTC We reached OMC_WHITENING
  • ETMY roll mode starts to ringup
  • 01:35 UTC lockloss from ETM glitch?
• 02:21 UTC OMC_WHITENING again, we're close to the limit so it shouldn't take very long
  • The ETMY roll mode looks to slowly increasing again, I'm going to try to damp it
  • 02:39 UTC NLN
    • SQZ looked bad, so I ran SCAN_OPO_TEMP then SCAN_SQZ_ANG, still looked bad after
    • I had some SDFs to accept, mostly offsets (ALSEY & LSC, ISCEY & ASC & ASCIMC, ALSEX & ISCEX & OMC)
    • I never made into Observing as I was fighting the ever ringing up ETMY roll mode until it made us lose lock
      • The 1Hz oscillation also showed up, as soon as I turned FM4 back on the Oscillation returned
• 03:13 UTC lockloss from ETMY roll mode
  • Rahul logged on to take a look with me, we paused at various states
  • 04:40 UTC NLN
    • 1Hz showed up, I turned off FM8 waited until it was fully off then FM4, as soon as FM4 is turned off and on the 1Hz seems to appear on DHARD
    • To turn them back on go in reverse, slowly
    • Something is growing, as seen in ASC-INP1 and LSC-PR_GAIN, Its at 1Hz even though I turned off the DHARD_P filters?
    • 04:52 UTC lockloss from the oscillation I'm assuming