3-2 Troubleshooting, Testing, and Maintenance
Troubleshooting
You can easily correct many problems with your Prep Series system. If you
cannot correct a condition, contact Waters Technical Service.
Contacting Waters technical service
North American customers who experience problems should contact Waters
Technical Service at 800 252-4752. All others should call their local Waters
subsidiary or Waters corporate headquarters in Milford, Massachusetts
(USA).
When you call technical service
To expedite service, provide the following information when you call:
•Symptom
• Operating wavelength
• Detector sensitivity setting (0.001 to 2.00 AUFS)
• Flow rate
•Type of column
• Operating pressure
•Sample type
• Mobile phase(s)
• Waters Prep system configuration
• Data system
Troubleshooting steps
1. Regard the system from a distance to observe whether something
obvious is causing the problem.
2. Compare current system operation with the performance before the
problem started.
Tip: Troubleshooting is easier when you know the system’s operating
conditions when it works correctly. This step emphasizes the importance
of tracking system parameters and performance during normal
operation.
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