FID fault

Hi all,

The 7890B GC shows Back detector fault. The FID is reading 5.6 E06 pA.

The GC is installed within a glove box and access is limited and maintenance cannot be performed.

Any ideas? I had recently also a failure on a trace heating controller (trace heating installed on a custom made FID chimney) and i think it might be electrical issue.

Thank you,


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