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QuickPic - 2L10-8 Filament Volts High Fault
ced2Epics modified EPICS PVs
CREW CHIEF SIGN IN
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM
Date : 03-13-26
Time : 15:11:31
Day : Friday
Shift : Swing
Crew Chief : Deir
Program Deputy: Roblin
Team : A
Arm : Anthony
Designated SSO: Shenenberger
LERF Operator:
Operators : Anthony, Shenenberger, Shriner
This stamp certifies that the above Crew Chief has read/reviewed/received the following:
Survey and Alignment work summary
Crew Chief Shift Log, 2026-03-13 DAY
The following cavity histories have been updated: 2L03-4
The OPS DRVHs for the following cavities have been updated: 2L03-3
The OPS DRVHs for the following cavities have been updated:
2L03-3
Username: jkt
Date/Time: 03-13-26_15:08:18
RF Status: Good
Tuner Status: Good
Comment: DRVH=19.500 Arcing at 19.8 during turn on
Previous OPS DRVH: 19.8
Special Instructions:
Autolog save
LEM North Linac
The following cavities have been UnGSET 0: 2L04-2
The following cavities have been UnGSET 0:
2L04-2
Username: chumphry
Date/Time: 03-13-26_14:49:06
RF Status: Good
Tuner Status: Good
Comment: UnGSET 0 - stepped on -100k - Okay
Special Instructions:
Maintenance Tag: Component: Other, Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-7
The following cavity histories have been updated:
1L26-7
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-8
The following cavity histories have been updated:
1L26-8
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-6
The following cavity histories have been updated:
1L26-6
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-5
The following cavity histories have been updated:
1L26-5
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions: if dropps under KRRPw, lower the GLOSS and bring up slowly.Donot optimize POFF at higher power
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-4
The following cavity histories have been updated:
1L26-4
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-3
The following cavity histories have been updated:
1L26-3
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-2
The following cavity histories have been updated:
1L26-2
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L26-1
The following cavity histories have been updated:
1L26-1
Username: dthomas
Date/Time: 03-13-26_14:48:54
RF Status: Good
Tuner Status: Good
Comment: C100 Unbypassed - for C100 phasing
Special Instructions: If dropped out of KRRPw,reduce the GLOSS (1or lower) and bring up slowly.
Maintenance Tag: Component: Operator Entry - See SME










