Agilent Technologies 7820A

280
Agilent 7820 GC Service
 Oven rtd reading
 Front detector rtd reading
 Back detector rtd reading
 Front inlet rtd reading
 Back inlet rtd reading
 Auxiliary 1 rtd reading
 Line Sense reading
 Temperature ref reading
 Atmospheric pressure reading
 Minus 24V power supply rdg
 Logic current reading
 24 volt poser supply reading
 Valve current reading
To view the diagnostics for a particular reading,
1 With the cursor on the Definition line, press [Mode/Type].
Scroll to the reading that you want and press [Enter].
Pneumatics
This information is based on Service Mode | Diagnostics |
Electronics | Pneumatics.
PNEUMATICS
Atmospheric
pressure
14.715
24 Volt valve drive
26.71
Zero all pressure
sensors
To zero all of the pressure sensors, do the following.
1 Set all flows and pressures to zero.
Disconnect the supply gases.
Wait 30 minutes.
Press [Enter] and confirm.