Dionex AutoTrace 280 Operator’s Manual
74
Doc. 065330-05 03/2020
5b. Solvent inlet tubing is
restricted or leaking.
5b. Inspect tubing for kinks or
cracks. If necessary, replace the
tubing (see
5c. Solvent outgassing.
5c. Degas or sparge reagents
with helium before use.
5d. Valve fitting is loose.
5d. Make sure valve fittings are
securely finger-tight. If
tightening a fitting does not stop
a leak, replace the fitting (see
5e. Syringe is leaking.
5e. Run the Adjust Liq Syringe
diagnostic method (see
). If necessary,
replace the syringe (see
5f. 12-port valve is partially
blocked, or is out of
alignment.
5f. Run the 12-Port Valve Test
diagnostic method (see
continues, contact Technical
Support for Dionex products.
NOTE:
Prime all solvent lines
before running the 12-Port Valve
Test.
5g. Steps using immiscible
solvents.
5g. Perform a
Wash Syringe
step with an intermediate
solvent between these steps.
6. Liquid buildup in air
push syringe.
6a. Excessive pressure
buildup in system due to a
blocked line or excessive
solids in cartridge or disk.
6a. Inspect and correct the
problem.
6b. Syringe speed too fast.
6b. Reduce the flow rates.
6c. Air push valve leaking.
6c. Replace the valve (see
Symptom
Probable Cause
Solution
Содержание Dionex AutoTrace 280
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