Difference between revisions of "RC Meeting, Wednesday, October 27 , 2021"
From HallCWiki
(→Hall C Status) |
(→Hall C Status) |
||
| Line 10: | Line 10: | ||
# Back in production at 42 muA on late swing. | # Back in production at 42 muA on late swing. | ||
# On late swing, alarms due to dropping HB LHe levels at back. We have our good days, but they always come back. Steve L intervened. https://logbooks.jlab.org/entry/3933018 https://logbooks.jlab.org/entry/3933051 | # On late swing, alarms due to dropping HB LHe levels at back. We have our good days, but they always come back. Steve L intervened. https://logbooks.jlab.org/entry/3933018 https://logbooks.jlab.org/entry/3933051 | ||
| − | # SHMS Q2 Interlock plus some sort of communication reset required on a screen I haven't seen before. https://logbooks.jlab.org/entry/3933073 | + | # End of swing, SHMS Q2 Interlock plus some sort of communication reset required on a screen I haven't seen before. https://logbooks.jlab.org/entry/3933073 Also Steve L. |
# Number of good pions is ????. | # Number of good pions is ????. | ||
Revision as of 08:36, 27 October 2021
RC Meeting Information
RC Daily Meetings are at 10 am, remote connection link: https://bluejeans.com/861439920
Accelerator Status
- Beam delivery back to Halls B,C,D on owl shift.
Hall C Status
- Back in production at 42 muA on late swing.
- On late swing, alarms due to dropping HB LHe levels at back. We have our good days, but they always come back. Steve L intervened. https://logbooks.jlab.org/entry/3933018 https://logbooks.jlab.org/entry/3933051
- End of swing, SHMS Q2 Interlock plus some sort of communication reset required on a screen I haven't seen before. https://logbooks.jlab.org/entry/3933073 Also Steve L.
- Number of good pions is ????.
Current Run Plan
- Day shift only: Try to take 1 hour of Dummy target each day. (a 100% live hour)
- Tentatively scheduled: a BCM calibration on Wednesday mid-afternoon.
- Continue data taking until early Nov
Current Issues
- Replace flow switches for (HMS?) magnet power supplies: next opportunistic access (Joe Beaufait) ( PENDING )
- Q3 insulating vacuum spikes generating alarms. For example, https://logbooks.jlab.org/entry/3930175 .
- One HB LHe incident of note: https://logbooks.jlab.org/entry/3929152 . (possible clue to the origin?)
- Target ladder camera was identified to be bad: Joe Beaufait will order camera ( PENDING )
- Still running with no UPS on the SHMS cryo controls - Steve L. has ordered batteries and UPS. ( PENDING )
- HCCAM02 not functioning (lift required to replace).
