Thermo Scientific Surveyor RI Plus, Руководство по оборудованию

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Thermo Scientific Surveyor RI Plus Detector Hardware Manual 37
5
Troubleshooting
This chapter provides you with helpful information for troubleshooting possible detector and
chromatographic system problems. The information is organized in a table of symptoms,
possible causes, and remedies. Because many of the problems attributed to the detector might
actually be due to other components in the chromatographic system, references and potential
solutions to these types of problems have also been included. Some common error messages
are included to aid in troubleshooting errors.
Detector-Related Problems
Table 7 lists detector-related problems along with suggestions for corrective action.
Contents
• Detector-Related Problems
• Error Messages
Table 7. Troubleshooting detector-related problems (Sheet 1 of 5)
Symptom Cause Remedy
1. Spikes on baseline. a. Continuous gas bubbles in
the flowcell.
a. Degas the mobile phase.
Connect a backpressure
device to the flowcell
(check backpressure rating).
b. Immiscible solvent bubbles
following mobile phase
changeover.
b. Flush the flowcell with
isopropanol, then with
mobile phase.
c. Electrical interference. c. Check the electrical lines
for good connections
and/or interference from
broadcast radiation. Check
for ground loops.