Difference between revisions of "Run Planning Meeting Notes, December 9 - December 15, 2021"
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#Issues | #Issues | ||
#* Hall D beam stopper cause almost four hours of down time [https://logbooks.jlab.org/entry/3959035] 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. | #* Hall D beam stopper cause almost four hours of down time [https://logbooks.jlab.org/entry/3959035] 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 | + | #* Solenoid dump due to a lost communication with both VCL flows for over 1 minute [https://logbooks.jlab.org/entry/3959132][https://logbooks.jlab.org/entry/3959165] (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) [https://logbooks.jlab.org/entry/3959367][https://logbooks.jlab.org/entry/3959372] | #* 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) [https://logbooks.jlab.org/entry/3959367][https://logbooks.jlab.org/entry/3959372] | ||
#* Current major event, Separators tripped [https://logbooks.jlab.org/entry/3959439] | #* Current major event, Separators tripped [https://logbooks.jlab.org/entry/3959439] |
Revision as of 09:51, 9 December 2021
Wednesday November 9
- Last 24h:
- Issues
- Hall D beam stopper cause almost four hours of down time [5] 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 [6][7] (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) [8][9]
- Current major event, Separators tripped [10]
- Plans
- Continue running with C
- AMO run
- Raw mode run
- Beam Studies next Tuesday (accelerator), Dec 14