Aggregator

Log Number: 4364515Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 13937Title:
Apparent Power Blip Trips MBSY1C

Summary:
Apparent power blip tripped off MBSY1C.

Log Number: 4364511Logbook(s): 

• ELOG

Tags: 

• Autolog
• MCC8am

Body:  */ ATLis Comments Posted 18:00 Wednesday April 23 through 18:00 Thursday April 24 AES DC power Systems Troubleshoot BSY1C Box Power Supply

2025-04-24 15:04 - Jason Delk

Task ap

Log Number: 4364512Logbook(s): 

• HBLOG
• ELOG

Entry Makers: yoonBody: 

Log Number: 4364507Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System UN-Masking for: BeamLossMonitor
User: yoon
Areas: All

BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8T0

Log Number: 4364505Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: System Masking for: BeamLossMonitor
User: yoon
Areas: All

BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8T09<B

Log Number: 4364503Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 13938Title:
Accelerator dropping to PP

Summary:
INJ, NL, SL, and BSY dropping to PP from BP, xA dropping from RA back to LockdownDuration:
1 hour 8 minutes

Time Down:
24-Apr-2025

Log Number: 4364501Logbook(s): 

• ELOG
• RADLOG

Entry Makers: yoon

Log Number: 4364496Logbook(s): 

• LERFLOG
• CLOG
• ELOG

Entry Makers: johnwBody: 

Cold compressor flow has reached the desired 200g/s. We plan to remain here until the FEL/LCLSII single module pumpdown is complete (expected Monday, 4/28).

Log Number: 4364495Logbook(s): 

• ELOG

Entry Makers: lrichardBody: 

Restored without problem.

Log Number: 4364494Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: restorelib 2.6 Target restore date was 2025-04-24 16:53:54 The output from the myRestore execution was as follows: iocsoftw3spce systemEnum@2025-04-24 16:53 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -i iocsoftw3spce (success) PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 Procedure return status: Success

Log Number: 4364490Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 13938Title:
Accelerator dropping to PP

Summary:
INJ, NL, SL, and BSY dropping to PP from BP, xA dropping from RA back to LockdownDuration:
16 minutes

Time Down:
24-Apr-2025 16:22

Log Number: 4364489Logbook(s): 

• CLOG
• ELOG

Body: 

FM and Cryo are continuing to investigate.
Paul is going to dig deeper into the captured data

Log Number: 4364482Logbook(s): 

• ELOG

Entry Makers: yoonBody: 

xA dropping to lockdown from RA

contacting SSG

Log Number: 4364481Logbook(s): 

• ELOG
• SLOG

Tags: 

• Autolog

Body: restorelib 2.6 Target restore date was The output from the myRestore execution was as follows: Auto timestamp unavailable [iocitfrffcc1]

Log Number: 4364479Logbook(s): 

• CLOG
• ELOG

Entry Makers: creelBody: 

A little more information to aid in troubleshooting.

The CHL1 and CHL2 main compressor motors are 4,160V and their stand alone transformers are fed via direct connections to the 33 and 40 MVA substations and are not a part of the site power loop for the 480V, 208V, and 120V equipment.

Log Number: 4364478Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Yoon
DATE:             04/24/2025
SHIFT:               Swing

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4364473Logbook(s): 

• ELOG
• LERFLOG

Body:  ACCELERATOR OPERATOR SIGN IN FORM OPERATOR:    Anthony
DATE:             04/24/2025
SHIFT:               Swing

The operator has read the following:

• ELOG
• PD Shift Plan
• Radiation Surveys for PSS Segments in Controlled Access
• PSS Log

Log Number: 4364465Logbook(s): 

• HALOG
• ELOG
• RADLOG

Entry Makers: shrinerBody: 

Log Number: 4364464Logbook(s): 

• ELOG
• SRFLOG

Body: 

No major update

Log Number: 4364462Logbook(s): 

• ELOG
• LERFLOG

Body: 
THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY
ACCELERATOR OPERATIONS CREW CHIEF SIGN IN FORM

Date : 04-24-25
Time : 15:43:18
Day : Thursday
Shift : Swing

Crew Chief : Richardson
Program Deputy: Sereno
Team : C
Arm : Anthony
Designated SSO: Yoon
LERF Operator:
Operators : Anthony, Yoon

This stamp certifies that the above Crew Chief has read/reviewed/received the following: