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Reports until 15:51, Friday 08 June 2012
H1 PSL
michael.rodruck@LIGO.ORG - posted 15:51, Friday 08 June 2012 (3073)
PSL back online

The PSL was shut down today to allow for work in and behind the racks (to avoid accidental power disconnections). That work has been completed and the PSL has been brought back up.

The ILS would not lock the lasers, but once the phase of the ILS LO was set back to 42 degrees (from 242 degrees) it locked up immediately. Had similar issues with the PMC, but by adjusting the phase of the PMC LO to minimize the error signal it was able to lock. Phase was set to 247 degrees (90+157). REF value was set to 1.02V and gain is at 13dB.

PMC and ISS are locked. FSS is still refusing to lock, it has been turned off for now. LRA and watchdogs are enabled.

Additionally the PMC reflected power level channel does not seem to be connected, and the ante-room camera did not come back up. I've unplugged it for now.

Displaying report 1-1 of 1.