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I am using a 2 valve system for gas analysis with 3 columns, column 1 does not get any flow through it and I cannot see why.

Question asked by julesleach on Feb 5, 2018
Latest reply on Mar 15, 2018 by james_jenkins

Any suggestions on what to look at? Would there be a setting I haven't checked that I didn't notice? Or is it likely to be a blockage?