Reports until 16:24, Sunday 14 April 2019
H1 SQZ
patrick.thomas@LIGO.ORG - posted 16:24, Sunday 14 April 2019 - last comment - 17:56, Sunday 14 April 2019(48482)
Kicked out of observing by squeezer
SQZ_MANAGER diag message is 'CLF unlocked'. Screenshot of SDF changes attached. Log is:

2019-04-14_16:18:57.760097Z SQZ_MANAGER [SQUEEZING.enter]
2019-04-14_23:13:41.823656Z SQZ_MANAGER [SQUEEZING.run] Unstalling SQZ_SHG
2019-04-14_23:13:42.393504Z SQZ_MANAGER [SQUEEZING.run] Unstalling SQZ_CLF_LR
2019-04-14_23:13:44.387124Z SQZ_MANAGER [SQUEEZING.run] Unstalling SQZ_LO_LR
2019-04-14_23:13:44.461294Z SQZ_MANAGER [SQUEEZING.run] ezca: H1:SQZ-ASC_WFS_SWTCH => 0
2019-04-14_23:13:44.461976Z SQZ_MANAGER [SQUEEZING.run] ezca: H1:SYS-MOTION_C_BDIV_C_CLOSE => 1
2019-04-14_23:13:44.462489Z SQZ_MANAGER [SQUEEZING.run] USERMSG 0: LO not locked
2019-04-14_23:13:44.515228Z SQZ_MANAGER JUMP target: SQZ_READY_IFO
2019-04-14_23:13:44.516995Z SQZ_MANAGER [SQUEEZING.exit]
2019-04-14_23:13:44.517417Z SQZ_MANAGER STALLED
2019-04-14_23:13:44.579499Z SQZ_MANAGER JUMP: SQUEEZING->SQZ_READY_IFO
2019-04-14_23:13:44.580149Z SQZ_MANAGER calculating path: SQZ_READY_IFO->SQUEEZING
2019-04-14_23:13:44.580149Z SQZ_MANAGER new target: LOCK_LO
2019-04-14_23:13:44.581414Z SQZ_MANAGER executing state: SQZ_READY_IFO (37)
2019-04-14_23:13:44.584555Z SQZ_MANAGER [SQZ_READY_IFO.enter]
2019-04-14_23:13:44.706528Z SQZ_MANAGER REQUEST: SQUEEZING
2019-04-14_23:13:44.707128Z SQZ_MANAGER STALL cleared
2019-04-14_23:13:44.707128Z SQZ_MANAGER calculating path: SQZ_READY_IFO->SQUEEZING
2019-04-14_23:13:44.763523Z SQZ_MANAGER EDGE: SQZ_READY_IFO->LOCK_LO
2019-04-14_23:13:44.764206Z SQZ_MANAGER calculating path: LOCK_LO->SQUEEZING
2019-04-14_23:13:44.764206Z SQZ_MANAGER new target: SQZ_ASC
2019-04-14_23:13:44.765647Z SQZ_MANAGER executing state: LOCK_LO (40)
2019-04-14_23:13:44.773740Z SQZ_MANAGER [LOCK_LO.main] ezca: H1:GRD-SQZ_LO_LR_REQUEST => ADJUST_FREQUENCY
2019-04-14_23:13:45.398115Z SQZ_MANAGER [LOCK_LO.run] Unstalling SQZ_CLF_LR
2019-04-14_23:13:45.465807Z SQZ_MANAGER [LOCK_LO.run] USERMSG 0: CLF unlocked
2019-04-14_23:13:47.448450Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:SYS-MOTION_C_BDIV_C_OPEN => 1
2019-04-14_23:13:47.454281Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:GRD-SQZ_LO_LR_REQUEST => LOCKED_OMC
2019-04-14_23:13:48.461003Z SQZ_MANAGER [LOCK_LO.run] USERMSG 0: CLF unlocked
2019-04-14_23:13:54.520409Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:SYS-MOTION_C_BDIV_C_CLOSE => 1
2019-04-14_23:13:59.582722Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:SYS-MOTION_C_BDIV_C_CLOSE => 1
2019-04-14_23:14:04.633851Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:SYS-MOTION_C_BDIV_C_CLOSE => 1
2019-04-14_23:14:09.703746Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:SYS-MOTION_C_BDIV_C_CLOSE => 1
2019-04-14_23:14:14.770383Z SQZ_MANAGER [LOCK_LO.run] ezca: H1:SYS-MOTION_C_BDIV_C_CLOSE => 1
...
Images attached to this report
Comments related to this report
patrick.thomas@LIGO.ORG - 17:28, Sunday 14 April 2019 (48483)
Resolved after trying different things:

23:31 UTC Hit INIT on SQZ_MANAGER. Did not fix.
23:36 UTC Turning on H1:SQZ-ASC_WFS_SWTCH as this is an SDF difference
Started getting OPO saturation announcements
Turned H1:SQZ-ASC_WFS_SWTCH back off
Cleared filter histories
Saturations stopped

23:45 UTC Tried again with H1:SQZ-ASC_WFS_SWTCH. Same problem, reverted.

Set SQZ_MANAGER request to DOWN
Set SQZ_MANAGER request to INIT
Set SQZ_MANAGER request to SQUEEZING

SQZ_LO_LR is stuck on locking OMC
Tried again with H1:SQZ-ASC_WFS_SWTCH. Same problem, reverted.

Can't get SQZ_LO_LR to lock OMC.
Set SQZ_LO_LR to DOWN, INIT, LOCKED_OMC.
Still not locking OMC.
Looking at the guardian code it seems like it is waiting for the beam diverter to open.
Ran 'caput H1:SYS-MOTION_C_BDIV_C_OPEN 1', as setting this to 1 has shown up in the SQZ_MANAGER log.
This seemed to fixed the issue. SQZ_MANAGER has advanced to SQUEEZING.
There is now an SDF diff for H1:SQZ-ASC_WFS_GAIN. Ramped gain to 1.
All green.

0:12 UTC Back to observing
corey.gray@LIGO.ORG - 17:56, Sunday 14 April 2019 (48484)

Good Job, Patrick!