Thermo Scientific Dionex ICS-1100, Operator'S Manual

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4 • Troubleshooting
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Incorrect or contaminated eluent
Remake the eluent. If the system is not operating in the RFIC-ER mode, refer
to the instructions in the column manual. The manual is included on the
Thermo Scientific Reference Library DVD (P/N 053891).
If this is an RFIC-ER system, refer to the instructions in the manual provided
in your RFIC-ER Installation Kit.
Install or replace the end-line filter on the end of the deionized water line (see
Section 3.4.3 ).
•
Malfunctioning injection valve or auxiliary valve
1. Rebuild the valve (see Section 5.4 ).
2. If the valve leak persists, contact Thermo Fisher Scientific for assistance.
4.10 Nonreproducible Peak Height or Retention Time
•
Column overloading
Dilute the sample (see Section 3.9.3 ).
•
Liquid leaks
Locate and eliminate the leaks (see Section 4.3 ).
•
Incomplete or imprecise filling of the sample loop
1. Fill the sample loop until excess sample exits the waste line.
2. Inspect the 1-cc syringe (P/N 016388) and replace if damaged.
•
Pump not primed properly
Prime the pump (see Section 5.17 ).
4.11 Abnormal Retention Time or Selectivity
•
Incorrect or contaminated eluent
Remake the eluent, using concentrated eluent and ASTM filtered, Type I (18-
megohm) deionized water.