Reports until 07:56, Friday 22 March 2019
H1 General
edmond.merilh@LIGO.ORG - posted 07:56, Friday 22 March 2019 (47756)
Shift Summary - Owl

TITLE: 03/22 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: Jim
SHIFT SUMMARY:
LOG:

8:44 NLN

9:01 Intention Bit Observing

12:33 Lockloss

12:34 Wrestled the Y arm back into submission

12:45 Begin full locking sequence

13:01 no go. Arms need too much tweaking. Georgia suggested IA upon lockloss. After 1 attempt without, I'm giving in.

13:02 Begin Initial alignment

13:33 Begin full locking sequence

14:01 Lock failed at transition to ETMX - LSC Split Servo Board Voltage is High

14:15 Bubba out to EY chiller yard

14:27 Lock failed at transition to ETMX

14:30 Bubba back

14:31 Going to hold at LOWNOISE_COIL_DRIVERS until commissioners get here

14:40 WELL....THAT DIDN'T WORK

14:43 Richard out to EX - lift ground on ESD at power supply rack

14:55 Leaving IFO at CHECK_AS_SHUTTERS for commissioners