Dionex AutoTrace 280 Operator’s Manual
72
Doc. 065330-05 03/2020
2.
ERROR
LED is on. 2. One of the errors listed in
has occurred.
2. Check the Dionex AutoTrace
280 front panel for error
messages; follow the
recommended corrective action
in
3.
RUN
LED fails to
turn on after
LOAD
is
pressed, or the method
does not run.
3. Cartridge or disk holder
not fully down; holder's
green LED is off.
3. Push down on the holder lever
until it “clicks” and the holder's
green LED comes on. Run the
method.
4. Unable to download
a method.
4. Communication error.
4a. Check that the power is on
and the system is not in an abort
state or a user intervention state.
4b. Check that the USB cable is
connected correctly between the
Dionex AutoTrace 280 and the
PC (see
5. Nitrogen
consumption is
abnormally high.
5. Switching valve is not
turning off completely.
5. Adjust the nitrogen regulator
until the pressure is 0.14 MPa
(20 psi). Verify that no method is
running. Remove the tubing
from the inlet of each cartridge
or disk. Place the free end of the
tubing in a beaker of water.
Check for gas bubbles exiting
the tubing:
•
If there are bubbles, replace
the switching valve for the
channel (see
•
If there are no bubbles,
tighten the nitrogen
manifold fittings (see
Symptom
Probable Cause
Solution