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4 • Troubleshooting
Doc. 065291-01 3/09 95
• No flow from pump
This condition has several possible causes; see Section 4.5
and Section 4.6 for
details.
• Cell electronics malfunctioning
Use the Chromeleon Wellness Panel diagnostics to test the electronics (see
Section 5.1
and the Chromeleon Help for instructions). If the variance reading
is outside the tolerance range (less than 1 μS), the electronics are
malfunctioning. Contact Dionex for assistance. The ICS-2100 electronics
cannot be serviced by the user.
4.13 High Cell Output
• Background not suppressed by suppressor
Verify that the suppressor is turned on and the current is set to the correct
value. Refer to the suppressor manual for additional troubleshooting
guidance. Suppressor manuals are included on the Dionex Reference Library
CD-ROM (P/N 053891).
• Sample concentration too high
Dilute the sample (see Section 3.9.3
).
• Wrong eluent
Check that you are using the correct eluent for your application.
• Background conductivity not offset from conductivity reading
Before making an injection, allow the background conductivity to equilibrate,
and then click
Autozero on the ICS-2100Control panel in Chromeleon or the
ICS-2100 touch screen
HOME page.
• Cell out of calibration
Recalibrate the cell (see Section 5.1.3
).