Waters Prep Series - Hardware Troubleshooting

Troubleshooting 3-23
Hardware troubleshooting
System troubleshooting
The table below provides troubleshooting suggestions for overall system
problems unrelated to a particular system module.
Sample energy
decreased, reference
energy not decreased
Contaminated mobile
phase
Use fresh mobile phase.
Dirty flow cell Flush with water.
Remove column, and
flush system with
stronger solvent to
remove particulate or
filmy matter from flow
cell windows.
Clean outside of flow
cell windows.
General system troubleshooting
Symptom Possible cause Corrective action
Unit will not start Power cord not
connected
Check power cord.
No power at outlet Check line voltage.
Power supply fuse open
or missing
Replace power supply
fuse.
Fan(s) not running Unit not turned on Turn unit on.
Fan wiring or motor
problem
Call Waters Technical
Service.
Screen is blank Unit not turned on Turn unit on.
Startup diagnostic test
failure
Power down and up
again. If failure not
corrected, call Waters
Technical Service.
Chromatography troubleshooting (Continued)
Symptom Possible cause Corrective action