Agilent Technologies 6890 Series Service Manual page 386

2. Press [Aux #][3], [Aux #][4], or [Aux #][5] to access the desired channel.
If your manifold is correctly installed, you will see the following display:
PNEUMATIC AUX 3
Pressure
Init time
Rate 1 (off)
†
An actual flow value is displayed when the gases are off or not
connected. This is not an error. After the gases are connected and the
detector is operational, the actual flow values will be equal to the setpoint
values.
3. If the display reads Aux not installed, recheck your cable
connections.
4. Zero the pressure sensors:
a.
b.
c.
d.
e.
Jun 2001
†
x
0. Off
0.00
Make certain that no gases are connected to your manifold.
Press [Options] and scroll to Calibration → Aux pressure.
Scroll to Aux 3 zero and press [On].
Scroll to Aux 4 zero and press [On].
Scroll to Aux 5 zero and press [On].
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Auxiliary EPC
Replacement procedures
360
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