Troubleshoot
July 29, 2013, 715003794 Rev. B 245
When to call Waters Technical Service
You can correct many problems with a Alliance e2695 Separations Module
relatively easy. However, if you cannot correct a condition, contact Waters
Technical Service. When you do, have the following information available:
• Completed normal operation checklist for the method you are using
• Nature of the symptom
• Separations module serial number (located behind the syringe access
door)
• Detector model number and serial number
• Flow rate
• Operating pressure
• Mobile phase(s)
• Detector settings (sensitivity and wavelength)
• Type and serial number of column
•Sample type
• Control mode (Empower Chromatography Data Software, System
Controller, No interaction, other)
• Software version and serial number
Troubleshoot chromatography problems
The following table lists chromatographic symptoms, possible causes, and
suggested corrective actions for the separations module.
Recommendation: Before you use this table, read “General troubleshooting
hints” on page 243, and follow the basic troubleshooting steps to isolate the
cause of the chromatographic symptom.
Warning: Always observe good laboratory practices when you handle
solvents, change tubing, or operate the separations module. Know the
physical and chemical properties of the solvents you use. Refer to the
Material Safety Data Sheets for the solvents in use.
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