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FID broken on Agilent 7890 GC

Discussions about GC and other "gas phase" separation techniques.

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FID broken on Agilent 7890 GC

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ememfour
Whenever I put on my Agilent 7890A GC it always display "FRONT DETECTOR (FID) BROKEN". What could be responsible for this

Re: FID broken on Agilent 7890 GC

avatar
R13
Loose/disconnected cables.
Faulty electronic boards.

Re: FID broken on Agilent 7890 GC

avatar
ememfour
Which of the boards could this be so that I dont just grope in the dark

Re: FID broken on Agilent 7890 GC

avatar
chromatographer1
main mother board
FID electrometer board

best wishes,

Rod

Re: FID broken on Agilent 7890 GC

avatar
antonk
Shortened heater.
Disconnected thermocouple.
Shortened to chassis collector electrode or dirt on collector.
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