TITLE: 03/07 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 149Mpc
INCOMING OPERATOR: Tony
SHIFT SUMMARY:
edit: h1 had a lockloss minutes before the end of the shift, so Tony and I started addressing SQZ To-Dos (see below in the log)
Ops To Do At Next Opportunity (next H1 lockloss, or L1 goes down. See sheila alog 83227):
- Load SQZ_SHG (this can be done with H1 in any state)
- Restore opo_grTrans_setpoint_uW back to 80 (was set to 75 this morning), and re-tune the OPO TEC setpoint . This can be done with H1 in any state.
LOG:
- At the beginning of the shift, H1 was at NLN, but not Observing due to issues with the SQZ_SHG (alog83224)
- 1758 Dave TeamSpeak-ed in saying we have a red FMCS Stat for the EX VEA temperature---he mentioned this is normal when we get warmer days and the sun on the building. No changes were made, so will leave this FMCS Stat red as a heads up for a temperature increase in the EX VEA.
- 1831-2035 ISS Array work in optics lab (myank, siva)
- 2209 hardware work (myank)
- 2319 siva joining
- 1855-1914 Optics Lab clean (kim)
- 1921-2005 y-arm walk (ibrahim)
- 2155-2213 Packing sensor in PCal lab (tony)
- 2222-2226 changing shutter status (tony)
- 0014 Lockloss toward end of shift. Took this opportunity to do the (2) SQZ items listed above.
- (1) SQZ_SHG node was LOADed, but came up with this error:
- 2025-03-08_00:15:52.522971Z File "/opt/rtcds/userapps/release/sqz/h1/guardian/SQZ_SHG.py", line 39
- 2025-03-08_00:15:52.522971Z elif ezca['SQZ-SHG_TRANS_RF24_PHASE_ERROR_FLAG'] != 0:
- 2025-03-08_00:15:52.522971Z ^ 2025-03-08_00:15:52.522971Z SyntaxError: invalid syntax
- In SQZ_SHG.py, here is the fix Tony made to fix the error above:
def in_hardfault():
#if ezca['SQZ-LASER_IR_DC_ERROR_FLAG'] != 0:
# notify('Squeezer laser PD error')
# return True
#elif ezca['SQZ-PMC_TRANS_DC_ERROR_FLAG'] != 0:
# notify('Squeezer PMC not locked')
# return True
if ezca['SQZ-SHG_TRANS_RF24_PHASE_ERROR_FLAG'] != 0:
notify('SHG Trans phase shifter error')
return True
#elif ezca['SQZ-SHG_TRANS_RF24_DEMOD_ERROR_FLAG'] != 0:
# notify('SHG Trans Demod error')
# see comment to alog 83224 for why this was commented out
# return True
- (2) Restored opo_grTrans_setpoint_uW back to 80 (from 75).
- Then Tony tried adjusting OPO TEC TEMP to maximize CLF_REFL_RF6_ABS_OUTPUT, but it was not totally clear it was working. Granted H1 is not at NLN (does H1 need to be at NLN to do this?)
- At any rate, Tony got a hold of Sheila and they are chatting on the phone now.