kiwamu.izumi@LIGO.ORG - posted 06:40, Friday 21 February 2014 (10236)
BS ISI tripped by LSC feedback on BS suspension
6:32 local (14:32 UTC) -- started feeding back the signal to BS
Immediately after it, the BS ISI tripped. The actuator of stage 1 and GS13 of stage 2 tripped. They had been at level 2. I will try level 1 as Hugh and Fabrice suggested.