Run Planning Meeting Notes, December 9 - December 15, 2021

MCC whiteboard

Thursday December 10

1. Last 24h:
   • Took one AMO run
2. Issues
   • Downtime Incidents: RF separators tripped off and simultaneously MBD5C10V Mismatch from 7:30 - 9:30 am [1][2]
3. Plans

Wednesday December 9

1. Last 24h:
   • Start counter dark rate test, Run 90454 [3] (Beni)
   • 1 FCAL base changed [4] (Mark)
   • FADC replaced in the tagger crate[5] (Sasha)
   • PWO modules and lead scint glass installed in the PS setup [6] (Sasha)
2. Issues
   • Hall D beam stopper cause almost four hours of down time [7] We recovered the beam at 15:20 pm. The biggest suspect is an air pressure issue that caused a "beam stopper stuck" fault within PLC. The cause needs further investigation.
   • Solenoid dump due to a lost communication with both VCL flows for over 1 minute [8][9] (Tim & Nick)
   • Solenoid ramping up, from 19:50 pm (Dec 8) to 4:30 am (Dec 9) up to 1360 A (Tim & Beni). Waited for 15 minutes and ramp down to 1350 A (Phoebe, Jackson & Nathaly) [10][11]
   • Current major event, Separators tripped [12]
3. Plans
   • Continue running with C
   • AMO run
   • Raw mode run
   • Beam Studies next Tuesday (accelerator), Dec 14