8 Installation, Operation, and Maintenance
Part 3: Maintenance and Troubleshooting
8 Maintenance
Periodic Maintenance 138
Adapting For Cool On-Column Injection 139
Installing a Syringe 141
Removing a Syringe 144
Replacing Syringe Needles 145
Changing the Turret 147
Align Mode 150
Replacing the Needle Support Assembly on the G2913A
Injector 153
Replacing the Needle Guide in the Needle Support Foot 157
Replacing Power Fuses in the G2912A ALS Controller 158
9 Faults and Errors
Faults 160
Error Messages 162
10 Troubleshooting
Symptom: Variability 168
Symptom: Contamination or Ghost Peaks 170
Symptom: Smaller or Larger Peaks Than Expected 171
Symptom: Sample Carryover 173
Symptom: No Signal/No Peaks 174
Correcting Syringe Problems 175
Correcting Sample Vial Delivery Problems 176
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