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Varian GC EFC type 4 pressure problem

http://www.chromforum.org/viewtopic.php?t=25407

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Varian GC EFC type 4 pressure problem

Posted: Mon Aug 18, 2014 6:54 am
by abdidhere
Please help Varian GC with EFC type 4,Helium with packed column,The column pressure set point is 21.7 psi and flow of 60 ml/min,please can some one help me troubleshooting this issue of GC showing not ready due to EFC pressure of 21.9 psi (Set point 21.7 psi) how can i over come this and is there a way to adjust.
For your information room tempearture increased slightly due to AC problem on this particular date.
Thanks.

Re: Varian GC EFC type 4 pressure problem

Posted: Mon Aug 18, 2014 11:14 am
by Gerhard Kratz
Maybe the inlet of your packed column is blocked. Disconnect the column and check flow and pressure.
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