8 • Troubleshooting
Doc. 065031-04 1/08 179
• Rapid changes in ambient temperature
Make sure the column is installed in a thermostatically controlled
compartment and the compartment door is closed.
• Insufficient system equilibration following changes to operating
parameters; especially apparent when operating at high sensitivities
Allow a longer system equilibration time (up to 2 hours) before starting
operation.
Noisy Baseline: CD Only
• Incorrect suppressor operating conditions
Refer to the suppressor manual for troubleshooting information. Suppressor
manuals are included on the Dionex Reference Library CD-ROM
(P/N 053891).
• Cell above or below temperature
Contact Dionex for assistance.
• Trapped gases in cell
Release any trapped gases in the cell by loosening the lines to and from the
cell and then retightening them. Also loosen and retighten the fittings to and
from the suppressor eluent ports.
• Detector electronics not functioning correctly
Run the detector dummy cell diagnostics from the Wellness panel (see
Section 9.23
).
• Inappropriate suppressor operating conditions
Refer to the suppressor manual for the correct operating conditions.
Suppressor manuals are included on the Dionex Reference Library CD-ROM
(P/N 053891).
• Temperature compensation setting not optimized
Optimize the selected setting (see Section 2.15
).
• Inadequate system backpressure
Add backpressure tubing to the cell outlet (see Section 9.23.4
).
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