[Hallc_running] [New Logentry] RC Update July 12

berdnik at jlab.org berdnik at jlab.org
Tue Jul 12 09:10:02 EDT 2022

Logentry Text:
1)We run 60uA CW with SHMS right setting till 1000 when requested beam off for Controlled access in the hall.
2)Steve L., RC and hall techs entered the hall after RadCon performed full survey. We rotated SHMS to 5.65 and finished at noon. https://logbooks.jlab.org/entry/4013973
3)Beam restored around 1900 due to beam steering issues. 
4)Trigger rates limited us to 40uA current  https://logbooks.jlab.org/entry/4014121   
5)OWL shift tried to push current up to 48uA, rates seems to be high, we will need to discuss this topic today.
6)0335 we lost HMS Q1 due to power supply interlock. Around 0545 we entered the hall to troubleshoot, 15V power supply died and triggered interlock.     
7)We back online at 0745, 48uA CW on LH2  
8)Thursday Day shift will be maintenance day for the machine, please schedule hall access with next RC (Arun) in advance
9)BCM calibrations need to be done before Thursday, I will coordinate it with Dave Mack.

We will have RC meeting at 11am, link below: 
Meeting ID: 160 710 0885 - Passcode: 595071 


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/4014332
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