4 • Troubleshooting
Doc. 065330-05 03/2020
77
5. Water coming off
with eluent.
5a. Method is missing a step
to clear the lines.
5a. Add a
Cartridge Rinse
(or
Disk Rinse
) or
Dry with Gas
step before elution.
5b. Gas pressure is too low.
5b. Increase the gas pressure.
5c. Drying time is too short.
5c. Increase the dry time
specified for the
Dry with Gas
step.
5d. None of the above.
5d. Run eluent through a drying
cartridge or disk before analysis.
6. Cross-
contamination.
6. Sample path was not
cleaned between sample
passes.
6. Between each batch of
samples, run a method that
cleans the sample lines with
solvent and deionized water (see
7. Incorrect volume
removed from sample
container.
7a. Samples with large
amounts of suspended solids.
7a. Increase the sample volume
specified in the
Load Sample
step by 5% to 7% (for example,
specify 1050 mL instead of
1000 mL).
7b. Sample pump is out of
calibration.
7b. Perform a
Clean Sample
Path
step with deionized water,
and then run the Calibrate Pump
diagnostic method (see
8. Sample pump fails
to start.
8. Bad electronics board or
pump.
8. Contact Technical Support for
Dionex products to identify the
faulty part and have it replaced.
9. Nothing exits an
elution manifold
nozzle.
9. Clogged nozzle.
9. Clean the nozzle with a fine
piece of wire. If the problem
persists, contact Technical
Support for Dionex products to
have the manifold replaced.
10. Elution station
does not move into the
correct position.
10. Bad stepper motor or
loose connection on control
board.
10. Run the Benchmark Test
diagnostic method (see
) and contact
Technical Support for Dionex
products.
Symptom
Probable Cause
Solution
Содержание Dionex AutoTrace 280
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