8 Diagnostic Testing and Troubleshooting
252 July 29, 2013, 715003794 Rev. B
Troubleshooting hardware problems
This section contains troubleshooting tables that address these issues:
•System problems
• Solvent management system problems
• Sample management system problems
Before you use these tables, read “General troubleshooting hints” on page 243,
and isolate the cause of the hardware symptom.
System troubleshooting
The following table provides troubleshooting information for system problems
that are not related to a particular system module.
Sample energy
decreased,
reference energy
not decreased
Contaminated mobile
phase
Use fresh mobile phase.
Dirty flow cell Clean outside of flow cell
windows.
Flush system with water. If
necessary, remove the column,
and then flush the system
with stronger solvent to
remove particulate or filmy
matter from flow cell windows.
General system troubleshooting:
Symptom Possible cause Corrective action
Unit does not
power-on
Power cord not connected Establish line voltage is
present.
No power at outlet
Power supply fuse blown
or missing
Replace power supply
fuse.
No response from
keypad.
Keypad broken Call Waters Technical
Service.
Chromatography troubleshooting: (Continued)
Symptom Possible cause Corrective action
To Next Page
Loading...
