Revision as of 20:51, 8 December 2021

Wednesday November 9

Last 24h:
- Start counter dark rate test, Run 90454 [1] (Beni)
- 1 FCAL base changed [2] (Mark)
- FADC replaced in the tagger crate[3] (Sasha)
- PWO modules and lead scint glass installed in the PS setup [4] (Sasha)
Issues
- Hall D beam stopper cause almost four hours of down time [5] We recovered the beam at 15:20 pm. The biggest suspect is an air pressure issue that caused a "beam stopper stuck" fault within PLC. The cause needs further investigation.
- Solenoid dumb due to a lost communication with both VCL flows for over 1 minute [6][7] (Tim & Nick)
Plans
- Beam Studies next Tuesday, Dec 14

@@ Line 10: / Line 10: @@
 #Issues
 #* Hall D beam stopper cause almost four hours of down time [https://logbooks.jlab.org/entry/3959035] We recovered the  beam at 15:20 pm. The biggest suspect is an air  pressure issue that caused a "beam stopper stuck" fault within PLC.  The cause needs further investigation.
-#* Solenoid dumb due to a lost communication with both VCL flows for over 1 minute [https://logbooks.jlab.org/entry/3959132] (Tim)
+#* Solenoid dumb due to a lost communication with both VCL flows for over 1 minute [https://logbooks.jlab.org/entry/3959132][https://logbooks.jlab.org/entry/3959165] (Tim & Nick)
 #Plans
 #* Beam Studies next Tuesday, Dec 14