Problem tylansige SNF 2008-05-29 18:45:49: H2 MFC error

[seymour at snf.stanford.edu]

H2 MFC zero had drifted. I reset the zeros and did an auto zero routine. H2 now flows at setpoint of 100 sccm. Prior to the zero adjust the H2 flowed 128 with a setpoint of 100.