Pneumatics - Agilent Technologies 7820A Service Manual

Pneumatics

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] .
This information is based on Service Mode | Diagnostics |
Electronics | Pneumatics.

PNEUMATICS

Atmospheric
pressure
24 Volt valve drive
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.
14.715
26.71