GC 7820A with Openlab CDS 2,5 shutdown the FID at 2 minutes

Hi everyone

 

In my company recently we update the Openlab Ezchrom to CDS 2,5.

 

We have a GC 7820A and when we analyzed Residual dissolvents we have a trouble because between 3 to 5 minutes the detector (FID) get shutdown and this signal of shutdown appear just in the time of ethanol, acetone and isopropanol.

 

The method was imported from Ezchrom version where we didn’t have this problem

 

Any help would be appreciated.

 

this is the signal

 

and this is the configuration

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