ITF found in Science mode.

At 13:32 UTC ITF in Commissioning for the planned ENV activity.

At 15:43 UTC I had to set Troubleshooting mode because the ITF could not keep the lock; below the scenario that needs to be investigated by the experts:

• at around 14:17 the ENV team went in the WE building for their commissioning activity.
• at around 14:20 UTC the DMS started to report:
  • a problem with the lover part of the WE suspension; looking at the signals there were many spikes. I contacted the susp on-call but he was not available to look at the problem.
  • a problem with the timing DSP related to the WE suspension. I contacted the on-call and he started to investigate at the problem.
• at around 15:00 UTC the DMS started to report a problem with high temperature inside the WE building. I contacted the on-call and he started to investigate at the problem.
• at around 15:10 UTC the DMS started to report a problem with high temperature for WE ALS VCO temperature.
• at around 15:25 UTC Davide fixed the problem of the high temperature in the WE building; see entry 64913
• at around 15:45 UTC the problem at the WE suspensions disapperead and the flag timing DSP returned green.
• at around 15:50 UTC the ENV team exited from WE building.

At around 16:06 UTC I started to relock the ITF; the ITF relocked at 17:37 UTC and the ENV started to work again.

Commissioning activity definitively stopped at 18:21 UTC after an unlock.

At 18:58 UTC ITF in Science mode.

DAQ

Red flag for Latency - Daq_olserver53..rds_ffl_latency; experts aware of the situation.

Guard tours (time in UTC)

17:31-17:57; 19:11-19:39