Page 1 of 1

FID broken on Agilent 7890 GC

Posted: Tue Jun 19, 2012 12:19 pm
by 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

Posted: Tue Jun 19, 2012 1:40 pm
by R13
Loose/disconnected cables.
Faulty electronic boards.

Re: FID broken on Agilent 7890 GC

Posted: Tue Jun 19, 2012 3:30 pm
by ememfour
Which of the boards could this be so that I dont just grope in the dark

Re: FID broken on Agilent 7890 GC

Posted: Tue Jun 19, 2012 10:46 pm
by chromatographer1
main mother board
FID electrometer board

best wishes,

Rod

Re: FID broken on Agilent 7890 GC

Posted: Wed Jun 20, 2012 5:55 pm
by antonk
Shortened heater.
Disconnected thermocouple.
Shortened to chassis collector electrode or dirt on collector.