Problem stsetch2 SNF 2011-08-01 10:03:22: Pumps are shutting down

mcvittie at snf.stanford.edu mcvittie at snf.stanford.edu
Mon Aug 1 10:03:22 PDT 2011


The pumps shut dw on Fri and again over the weekend. On starting them up again on Monday, the backing pump shut dw as the chamber was punping dw. There was no problem after the pumps were turned on again using pump to base command.  This is intermittent problem which seems to be getting worst. There may be a loose connection to the backing pump into one of the connectors at the back of the PLC drawer in the basment since I have seen the backing pump shut dw when this drawer is pulled out and pushed back in.    Jim 




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