TITLE: 08/10 Eve Shift 23:00 – 07:00 (16:00-00:00), all times posted in UTC

STATE of H1: Locking

INCOMING OPERATOR: Patrick

SHIFT SUMMARY: Quiet shift until power glitch knocked us out of lock. Been having troubles around ENGAGE_ASC_FOR_FULL_IFO.

LOG:

03:30 (20:30) Lockloss, possibly from power glitch

03:39 (20:39) Starting an initial alignment

04:12 (21:12) Initial alignment complete, attempting to lock

05:15 (22:15) Lost lock from ENGAGE_ASC_FOR_FULL_IFO. Diag main log says OMC DCPD whitening not equal to anti-whitening and ESD X Driver OFF

05:36 (22:36) Lost lock from ENGAGE_ASC_FOR_FULL_IFO again, same issues. Starting initial alignment.

06:21 (23:21) Patrick to CER mezzanine -- check HV power supplies are on

06:26 (23:26) Initial alignment complete, attempting relock