[Hallc_running] [New Logentry] RC Daily Update Oct/26/2023

[billlee at jlab.org]

Logentry Text:
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Maintenance day started at 6 a.m. as planned yesterday the hall went into the controlled access.  The lock of the accelerator and Halls happened around 4 p.m. Beam restoration lasted longer than expected, and CW was established around 3 a.m. We took data when the beam was available. 

Items addressed from our side inside of the Hall: 
1. Heidi replaced an N2 pressure sensor. Thermal hotspot Camera was checked?
2. Jerry and others worked on the pump on top of the HMS
3. Ellen went into the hall to check various cryocomponents. 
4. AC work in the CH completed

Items addressed from our side of the Hall:
1. Alex and Hanjie completed the DAQ computer transfer, the DAQ was verified with LED data taking. The 50k replay script works. Alex is confident with a 10% higher current. 
2. Bob worked on the scaler.
3. Bill Henry worked on repairing the alarm handler. (Starting the DAQ no longer generates the warning on the alarm handler.)
4. Peter verified the new changes for the hcana, message to Mark: "Please go ahead and commit the changes".

Issues: 
1. Newly failed NPS modules: https://logbooks.jlab.org/entry/4209099
2. NPS LV due to the broken PMTs in column 2: https://logbooks.jlab.org/entry/4209048
3. Lost communication with the raster IOC: https://logbooks.jlab.org/entry/4208767
4. Alarm handler no warning?  https://logbooks.jlab.org/entry/4209113

Plan for the near future:
1. Continue production
2. Half wave plane change at 11 a.m.
3. Moller measurement starting 8:30 a.m., last Friday for the day shift.


There will be an RC meeting at 11 a.m today. 

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Beam is expected to be restored mid swing shift.

There will be a RC meeting at 11 am: https://jlab-org.zoomgov.com/j/1617015555?pwd=L09IQ216dml6ZmM5ODExVjFsMX...
Meeting ID: 161 701 5555
Passcode: 288953

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This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/4209118
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