Jenne, Georgia, Sheila

Lockloss while trying to AC couple ISS:1243269492

~ 2 hours to relock because of other relocking issues:

• rainy day glitch, 49556.
• added TMS to green WFS 49557 (didn't take much time at all but should help with some of the arm alignment issues)
• one lockloss where we moved through the convergence checker for the dither loops too quickly, and many ASC signals weren't converged before we increased gains 1243273097  To address this we have made a tighter threshold on the ADS error signals before we increase the gains.

1 attempt at increasing input power:  We requested 38W but the rotation stage calibration was off so we got 40W out of the PSL.  Things seemed OK, Georgia tried to increase CO2X.  We checked the REFL wfs phases with a frequency noise injection, they seemed OK.  While we were attempting to measure an ASC sensing matrix for the REFL WFS, we noticed that the ADS YAW3 (ITMY to PRM dither loop) was running away, and something started to become unstable.  We powered down to 35W out of the PSL, where we checked the phasing of ADS YAW3 which looks fine at 35W.  We turned the loop back on and it seems OK here, so this is something that we need to investigate more.  

We went back to low noise at about noon.  Georgia is now investigating why the ISS AC coupling was a problem.