Тема: FID ignition failure


I am using Clarus500 PE GC. Question here is, does anyone know what are posibilities causing my problem : fail to ignite FID. I tried many times but only heard the ignition "pop" sound but still not ignite the detector..this happened many times. I checked H2,O2 gas, they are in a right flow and correctly set. But for the column (ID : 320um), in FID I couldn't insert the whole 7cm, maybe only 6cm. Please anyone help me. for methanol based sample, what is the range for "split" you people recommend?

Please help.

I did not find the right solution from the internet.

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