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Detector Operation (Operations Report)
berni - 15:46 Monday 07 September 2026 (69699) Print this report
Operator Report - Morning shift

ITF found in locked arms.

At around 7:00 with Piernicola we went to NE to reactivated the green laser then the commissioning team recovered the DRMI state, see 69700.

Once recovered the ISYS team started working to reduce the input power.

 

 

ISC

Etalon setpoints changed and loops enabled:

2026-09-07 09h02m42 UTC    berni 'WI:WI Set point [WI_RH_SET=19.15,rampTime=1]' sent to LSC_Etalon_Acl
2026-09-07 09h02m45 UTC    berni 'WI:Enable servo' sent to LSC_Etalon_Acl
2026-09-07 09h02m52 UTC    berni 'NI:NI Set point [NI_RH_SET=19.53,rampTime=1]' sent to LSC_Etalon_Acl
2026-09-07 09h02m53 UTC    berni 'NI:Enable servo' sent to LSC_Etalon_Acl

 

TCS

In the first part of the shift Cecilia worked at  TCS TCS AuxCooling System, see entry 69697.

 

DAQ

At around 1:20 UTC we had a general loss of data: the data from Suspensions and TCS did not recover. At 13:44 UTC I contacted the DAQ on call; investigation in progress.

 

Comments to this report:
viret, masserot - 18:42 Monday 07 September 2026 (69703) Print this report
DAQ issue was solved by Alain. There has been some high activity on the RTPC at around 13:20 UTC, causing lot of error messages. Mort of the rtpc recovered smoothly except for RTPC4 (Susp_Fb) which required an external intervention.

Everything went back to normal at 14:30 UTC
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