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ATLis Comments Daily Digest
MOLLER Install Update 01/15/2026
Continued installation work of LCW MOLLER system, an continued installation work, of Pion donut assembly. Hall A techs trained on driving new rental yard truck and trailer, that will be used to move MOLLER shielding blocks into hall for MOLLER power supply bunker build.
COMMENT ON Powering Up and Performing HCO on 10 AMP & 20 Amp Trim System after SAM 2025
Vacuum Group Summary 2026-01-15
ODH head OMB02 at Hall B - Structure - North Girder has been bypassed.
COMMENT ON Box Power Supply Troubleshooting for PSS Certification
COMMENT ON Box Power Supply Troubleshooting for PSS Certification
Follow-up Re: DC Power PSS Certification
COMMENT ON Box Power Supply Troubleshooting for PSS Certification
The following cavity histories have been updated: 1L25-2
The following cavity histories have been updated:
1L25-2
Username: alexs
Date/Time: 01-15-26_16:20:56
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - Sorenson power supply overheating
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L24-5
The following cavity histories have been updated:
1L24-5
Username: alexs
Date/Time: 01-15-26_16:20:27
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - Sorenson power supply not regulating
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
APPROVED RF HCO & Gradient Ramp 2026
The following cavity histories have been updated: 1L24-3
The following cavity histories have been updated:
1L24-3
Username: alexs
Date/Time: 01-15-26_16:16:38
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - Sorenson power supply not regulating
Special Instructions: Set Kly solenoid current lower limit (PV R1O3KSOLIL ) to 15 (readback issue)
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L24-2
The following cavity histories have been updated:
1L24-2
Username: alexs
Date/Time: 01-15-26_16:16:38
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - Sorenson power supply not regulating
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L24-1
The following cavity histories have been updated:
1L24-1
Username: alexs
Date/Time: 01-15-26_16:16:38
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - Sorenson power supply not regulating
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L23-8
The following cavity histories have been updated:
1L23-8
Username: alexs
Date/Time: 01-15-26_16:02:56
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - KFVM and KCCU faulty readbacks. No KFVM with real current and fake KCCU with HV off
Special Instructions:
Maintenance Tag: Component: Operator Entry - See SME
The following cavity histories have been updated: 1L23-3
The following cavity histories have been updated:
1L23-3
Username: alexs
Date/Time: 01-15-26_15:57:08
RF Status: Bad
Tuner Status: Good
Comment: C100 Bypassed - Solenoid low. Sorenson power supply needs checking
Special Instructions: ODVH from SRF commissioning are suggested. optimize LLRF, then push RF
Maintenance Tag: Component: Operator Entry - See SME










