Troubleshooting; Troubleshooting Using Observed Symptoms Or Error Messages - Thermo Scientific Accela Open Autosampler Hardware Manual

Troubleshooting

Troubleshooting Using Observed Symptoms or Error Messages

Table 29. Troubleshooting using symptoms and error messages (Sheet 1 of 5)
Symptom or error message
Detector signal not
detected or very low
Thermo Scientific
This chapter describes the troubleshooting procedures based on different error messages. It
also includes some special considerations for troubleshooting and standard chromatographic
tests.
Contents
• Troubleshooting Using Observed Symptoms or Error Messages
• Cooled Stack Power Supply Error Messages
• Troubleshooting Considerations
• Standard Chromatographic Tests
Table 29 lists the symptoms or error messages and how to troubleshoot them.
Possible cause
Clogged syringe
Bent needle
No sample liquid injected
Sample volume too low
Improperly installed valve needle
guide and/or needle seal
Valve ports not plumbed correctly
to the pump, the detection system,
or both
Wrong valve type specified
Recommended action
Remove syringe and aspirate/dispense liquid
manually. Clean syringe.
Inspect and change syringe if necessary.
Check and adjust Needle Penetration into
sample vial if necessary.
Increase sample volume.
Check valve needle guide and seal.
Check plumbing connections.
Check valve type by choosing Menu > Setup >
Objects > Injectors > LCVlv1 > Valve.
Accela Open Autosampler Hardware Manual
6
85