Thermo Scientific Dionex ICS-5000 Operator's Manual page 232

Dionex ICS-5000 Operator's Manual
Noisy Baseline: CD Only
•
Incorrect suppressor operating conditions
Refer to the suppressor manual for troubleshooting information.
Suppressor manuals are included on the Thermo Scientific Reference
Library DVD (P/N 053891).
•
Cell above or below temperature
Contact Technical Support for Dionex products for assistance.
•
Detector electronics not functioning correctly
Run the detector dummy cell diagnostics from the Wellness panel (see
Section
•
Inappropriate suppressor operating conditions
Refer to the suppressor manual for the correct operating conditions.
Suppressor manuals are included on the Thermo Scientific Reference
Library DVD (P/N 053891).
•
Temperature compensation setting not optimized
Optimize the selected setting (see
•
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.
•
Inadequate system backpressure
In an analytical IC system, add backpressure tubing to the cell outlet (see
Section
Noisy Baseline: ED Only
•
(DC Amperometry and Integrated Amperometry modes) Air bubbles
trapped inside cell
While wearing gloves and eye protection and with the pump running and
all plumbing connected, generate a slight temporary backpressure by
putting your finger over the end of the cell outlet tubing for 2 to
216
9.27).
9.27.4).
Section 2.14).
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