Reports until 15:52, Tuesday 20 February 2018
H1 PSL
edmond.merilh@LIGO.ORG - posted 15:52, Tuesday 20 February 2018 (40614)
PSL Weekly Report


Laser Status:
SysStat is good
Front End Power is -0.002755W (should be around 30 W)
HPO Output Power is -0.04998W
Front End Watch is RED
HPO Watch is RED

PMC:
It has been locked 0 days, 0 hr 0 minutes (should be days/weeks)
Reflected power = -0.0162Watts
Transmitted power = -0.02476Watts
PowerSum = -0.04096Watts.

FSS:
It has been locked for 0 days 0 hr and 0 min (should be days/weeks)
TPD[V] = 0.06647V (min 0.9V)

ISS:
The diffracted power is around 2.6% (should be 3-5%)
Last saturation event was 3 days 22 hours and 17 minutes ago (should be days/weeks)

Possible Issues:
Front End Power is Low
FSS TPD is low
Frontend flow warning, see SYSSTAT.adl
Epics alarm, see SYSSTAT.adl
Power meter flow error, see SYSSTAT.adl
LRA out of range, see SYSSTAT.adl
Check diode chiller
Check Xtal chiller