ICS-2000 Ion Chromatography System
4-18
Doc. 031857-03 4/06
•
Eluent generator degas tubing assembly ruptured
Replace the EluGen cartridge holder (see
4.6
Erratic Flow/Pressure Reading
•
Pump needs priming
•
Damaged piston seal
Replace the piston seal (see
•
Dirty pump check valve
Clean or replace the check valve (see
•
Leaking liquid lines or fittings
Check the liquid lines and fittings for small leaks. Tighten or, if necessary,
replace the liquid line connection (see
). Refer to
Installation of
Dionex Liquid Line Fittings
(Document No. 031432) for tightening
requirements. The manual is on the Dionex Reference Library CD-ROM
(P/N 053891).
4.7
Excessive System Backpressure
•
Restriction in the system plumbing
Check all liquid lines for crimping or blockage. Make sure the ferrule fittings
are not overtightened onto tubing. Refer to
Installation of Dionex Liquid Line
Fittings
(Document No. 031432) for details. The manual is on the Dionex
Reference Library CD-ROM (P/N 053891). If you have trouble isolating the
restriction, refer to
.
•
Plugged or damaged fitting
Isolate the faulty fitting by loosening fittings one by one until the pressure
returns to normal. Repair or replace the fitting (see
•
Flow rate through the columns too high
Set the correct rate for your application. If an incorrect flow rate calibration is
suspected, calibrate the flow (see
Содержание Dionex ICS-2000
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