TRX and TRY communication were recovered by doing a simultaneous reboot of all of the frontends.
Working with the interferometer has been extremely frustrating today. Having transmission values let us lock and ASS, but that has been less helpful than you would hope.
Saving the ASS offsets has repeatedly resulted in an overall bad change in alignment, moving the TTs and other things off randomly.
ITMX continues to be kicked. ITMY intermittently wanders away. It has not been possible to maintain IFO alignment for a reasonable length of time.
Also, the wall IOO striptool shows the MC2 Trans QPD Yaw having large step-function features. The MC is having an ok duty cycle, but this just may mean that the WFS are able to absorb what is happening to the MC suspensions.
The suspensions are really misbehaving. We need to get to the bottom of this, or else we are going to keep losing time to alignment. |