Summary: Operators, until Commissioners say otherwise, please do following:
- After locklosses: Transition AS_A_36 phases via Jenne's command line to help with locking
- After being in NLN for ~100min: Transition AS_A_36 again to reduce ~2min ASC Yaw oscillation
Niko tried a variety of things to help get H1 back, but he mentioned there was not a smoking gun other than zipping through the ISC_LOCK steps for this current lock. A possible source of grief could be the phase for AS_A_36. Since Thurs night, Jenne has requested operators to address the phase for AS_A_36 (as noted above & in her alog). We've only had a few locklosses since Thurs, so not had lots of practice remembering to do this, so just posting another reminder to be mindful of doing this after locklosses. I reckon we want to keep on ACCEPTING the SDF diffs we get for these channels. (Attached is one of these phase channels and H1 range for the last few days, and you can see we forgot to transition phases after today's earthquake lockloss.)
I have put up a sticky note reminder for this on the Operator computer. We will do this until commissioners let us know otherwise.
Bigger Picture Question:
Do we know how long we need to do this? If it's short term we can remember to do this, but if it's longer, can we have this in the DOWN state?
