Browse problems by system

Beam PUS VELO TT RICH1 IT
OT RICH2 SPD PRS ECAL HCAL
MUON L0 HERSCHEL DAQ HLT TRACK
Alignment Calibration Offline Internal Muon Test

Active problems Print

# Problem System Severity Started Ended
11071 Sensor with errors + lower pseudo efficiency VELO Unknown 2018-05-03 09:46
11034 Hole in M1A region R4 MUON Minor 2018-04-12 11:32

Reports

# Problem System Severity Started Ended
11192 Bins at values 42.9 42.9 42.9 43.0 are empty TT Report 2018-05-19 23:47
11191 TT Cluster: hit map. See empty bins in TTbV. (from Presenter page /Shift/TT: Clusters) TT Report 2018-05-19 14:06
11190 Track: z closest to z-axis (from Presenter page /Shift/TRACK: Track properties and PV alignment) TRACK Report 2018-05-19 12:59
11189 Error banks seen by Hlt1 during 11:30 - 11:40 (from Presenter page /Shift/HLT: 2- Error Banks seen by HLT1) HLT Report 2018-05-19 11:47
11188 SPD L0CALO: Status: error rate of Spd multiplicity reaches 100%. error rate of photon reaches ~0.01. (from Presenter page /Shift/L0CALO: Status) L0 Report 2018-05-19 10:44
11186 See alarm in "Number of clusters vs TELL1 links": Dead links compared to reference TT Report 2018-05-19 08:31
11185 L0 rate goes to zero around 07:45 (from Presenter page /Shift/HLT: 1- L0 and HLT1 Rates) HLT Report 2018-05-19 08:03
11183 TT error banks: Fraction of events containing an error bank is around 100% for bin 42. (from Presenter page /Shift/TT: Error banks) TT Report 2018-05-19 07:34
11178 L0Calo error rate too large (from Presenter page /Shift/L0CALO: Status) L0 Report 2018-05-18 10:28
11174 Velo alignment: PV left-right delta x mean value > 0.01mm (from Presenter page /Shift/TRACK: Velo Alignment) TRACK Report 2018-05-17 11:34
11155 See a lot of error message in the OT:Errors histograms from 17:25 - 17:35 (from Presenter page /Shift/OT: Errors) OT Report 2018-05-14 17:54
11154 some peaks appear in "Number of Bad Channels" histogram (from Presenter page /Shift/L0MUON: Status) L0 Report 2018-05-12 15:55

Recently reported

# Problem System Severity Started Ended
11193 VELO HV trip VELO Minor 2018-05-20 22:02 2018-05-20 22:09
11192 Bins at values 42.9 42.9 42.9 43.0 are empty TT Report 2018-05-19 23:47
11191 TT Cluster: hit map. See empty bins in TTbV. (from Presenter page /Shift/TT: Clusters) TT Report 2018-05-19 14:06
11190 Track: z closest to z-axis (from Presenter page /Shift/TRACK: Track properties and PV alignment) TRACK Report 2018-05-19 12:59
11189 Error banks seen by Hlt1 during 11:30 - 11:40 (from Presenter page /Shift/HLT: 2- Error Banks seen by HLT1) HLT Report 2018-05-19 11:47
11188 SPD L0CALO: Status: error rate of Spd multiplicity reaches 100%. error rate of photon reaches ~0.01. (from Presenter page /Shift/L0CALO: Status) L0 Report 2018-05-19 10:44
11187 Few events with error banks, Tell1Error and Tell1Sync in ALL TELL1s occur. No warning, alarm or fatal is seen. (from Presenter page /Shift/ECAL: Ecal Status Overview) ECAL Report 2018-05-19 08:35 2018-05-19 11:36
11186 See alarm in "Number of clusters vs TELL1 links": Dead links compared to reference TT Report 2018-05-19 08:31
11185 L0 rate goes to zero around 07:45 (from Presenter page /Shift/HLT: 1- L0 and HLT1 Rates) HLT Report 2018-05-19 08:03
11184 TRACK: Velo Alignment (from Presenter page /Shift/TRACK: Velo Alignment) TRACK Report 2018-05-19 07:36 2018-05-19 10:52

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