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| | [[Guidelines_for_Remote_Worker_Shift|Shift Worker]] | | [[Guidelines_for_Remote_Worker_Shift|Shift Worker]] |
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| − | == Special instructions ==
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| − | === Hall Delta ===
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| − | It's good practice to refer to our hall as Delta when talking to MCC, to make sure that there is no acoustic confusion between us and Hall B.
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| − | === Screenshot tool ===
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| − | "Alt L" brings up the [[Logbook_Screenshot_Tool | screenshot tool for making E-log entries]]
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| − | === FCAL Base lockup ===
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| − | If FCAL HV bases lose communication and stop providing high voltage, refer to https://halldweb.jlab.org/hdops/wiki/index.php/Forward_Calorimeter_Shift#FCAL_Base_lockup
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| − | === CDC Weather alarm ===
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| − | aka Alarm on HD:coda:cdc:p_diff.
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| − | See https://logbooks.jlab.org/entry/4117725
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| − | * Stop run - Acknowledge alarm and document it - Start new run
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| − | We are temporarily using Hall B sensor for our alarm, see [https://logbooks.jlab.org/entry/4117725 Alternative Barometric Pressure Measurement]
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| − | <!--The alarm has been disabled, see logbook entries [https://logbooks.jlab.org/entry/4114344 4114344], [https://logbooks.jlab.org/entry/4114307 4114307]-->
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| − | === DIRC Communication Error at Run Start ===
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| − | When starting a new run, one of the DIRC FPGA boards may lose communication resulting in a Magenta communication error in the Alarm Tree, refer to [https://halldweb.jlab.org/hdops/wiki/index.php/DIRC_Shift#DIRC_Communication_Error_at_run_start this page] for a fix.
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| − | === After beam restoration ===
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| − | * See [[Beam_Line_Detectors_Shift#Collimator_and_Radiators]] on how to move radiators and collimator
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| − | * check the '''radiation levels''' without radiator and then with the radiator
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| − | ** see the whiteboard (bottom RHS corner of the RH board) - there are columns of values expected without and with the radiator
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| − | * '''retract the radiator'''
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| − | * '''collimator in blocking position'''
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| − | * ask MCC to do their harp scan
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| − | * our '''harp scans''': follow the instructions in [[Beam_Line_Detectors_Shift#Radiator_Harp_Scan]]
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| − | === rootspy ===
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| − | If you have to restart rootspy, [[Online_Monitoring_Shift#Routine_Operation]], and it crashes, you might have to restart the monitoring process, find help at [[Online_Monitoring_Shift#Starting_and_stopping_the_Monitoring_System]].
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| − | === DAQ issues ===
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| − | Call the expert. In case they suggest that you restart the DAQ, find information at [[Data_Acquisition_Shift]].
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| − | In case the DAQ issue is '''low lifetime''':
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| − | * In case there is time (eg beam down), call the expert so that he can track down the problem.
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| − | * Restart the DAQ, if that does not help, call the expert.
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| − | === BTA sheet ===
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| − | * The '''BTA''' guidelines are at [[BTA_guidelines]]. <br> After loading the EPICS values, you may change the values, eg round them up or down.
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| − | ** '''BANU values''' should be reflected in the PCC (or UED) value (else the aftermath doesnt work out for RC), put a comment for > 5minutes.
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| − | ** '''UED:''' unplanned experiment down (hardware failure).
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| − | === Bottom Alcohol Bubbler ===
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| − | *We are not using the bottom alcohol bubbler. It is expected that its level is "ADD" and that it is not bubbling [https://logbooks.jlab.org/entry/4108449 log entry]
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