Thermo Scientific Dionex ICS-1100, Operator'S Manual

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4 • Troubleshooting
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•
Flow rate is set to 0
Set the flow rate from the Dionex ICS-1100 Control panel in Chromeleon.
•
Eluent valve is closed
Open the eluent valve from the Dionex ICS-1100 Control panel in
Chromeleon.
•
Pump not primed
Prime the pump (see Section 5.17 ).
•
Broken pump piston
Replace the piston (see Section 5.8 ).
4.7 Erratic Flow/Pressure Reading
•
Pump needs priming
Prime the pump (see Section 5.17 ).
•
Damaged piston seal
Replace the piston seal (see Section 5.7 ).
•
Dirty pump check valve
Clean or replace the check valve (see Section 5.6 ).
•
Leaking liquid lines or fittings
Check the liquid lines and fittings for small leaks. Tighten or, if necessary,
replace the liquid line connection (see
Section 5.3 ). Refer to Installation of
Dionex Liquid Line Fittings (Document No. 031432) for tightening
requirements. The manual is included on the Thermo Scientific Reference
Library DVD (P/N 053891).
4.8 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 included on the
Thermo Scientific Reference Library DVD (P/N 053891).