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    User name aniol

    Log entry time 21:22:54 on June15,2004

    Entry number 125892

    keyword=if plc fails septa may warm up

    In the recent PLC lock ups of the septa we note that the helium levels decreased. If the PLC fails the valves close. The helium level interlocks on the septa control screens will remain red until the liquid levels reach the set values.