Dionex IONPAC NG1, Product Manual

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IonPac NS1 Manual Document No. 034024-06 Page 25 of 35
SECTION 5 - TROUBLESHOOTING
The purpose of the Troubleshooting Guide is to help you solve operating problems that may arise while using IonPac NS1
columns. For more information on problems that originate with the Ion Chromatograph (IC) or the suppressor, refer to the
Troubleshooting Guide in the appropriate operator’s manual. If you cannot solve the problem on your own, contact the Dionex
North America Technical Call Center at 1-800-DIONEX-0 (1-800-346-6390).
Table 4
NS1/NG1 Troubleshooting Summary
Observation Cause Action Reference Section
High Back Pressure
Unknown Isolate Blocked
Component
5.1.1
Plugged Column Bed Supports Replace Bed Supports 5.1.2
Other System Modules Disconnect, Replace System Module Manual
High Background
Conductivity
Bad Eluents Remake Eluents 5.2, 5.2.1
Contaminated Columns Clean Column 5.2.2, 5.2.3
Contaminated ASRS or AMMS Clean Suppressor 5.2.5
Contaminated Hardware Clean Component
Poor Resolution
Poor Efficiency Due to Large
System Void Volumes Replumb System 5.3.1.A, 5.3.3.D
Column Headspace Replace Column 5.3.1.B
Short Retention Times
Unequilibrated System Lengthen First Eluent
Time before Inject 5.3.3.C
Flow Rate Too fast Recalibrate Pump 5.3.2.A
Bad Eluents Remake Eluents 5.3.2.B
Column Contamination Clean Column 5.3.2.C, 5.3.2.D
Poor Front End Resolution
Bad Eluents Remake Eluents 5.3.3.A
Column Overloading Reduce Sample Size 5.3.3.B, 2.2
Sluggish Injection Valve Service Valve 5.3.3.C
Large System Void Volumes Replumb System 5.3.3.D
Spurious Peaks
Sample Contamination Pretreat Samples 5.4.A, 5.4.B
Sluggish Injection Valve Service Valve 5.4.C