Power And Communication - Thermo Scientific thermoscientific Vanquish UHPLC System Operating Manual

8 • Troubleshooting
Post-column cooler does not reach set temperature
Possible Cause
Post-column cooler not
installed correctly
Autosampler does not reach set temperature
Possible Cause
Ambient temperature
or humidity too high
8.2.9

Power and Communication

Entire system has no power (all LED status bars unlit)
Possible Cause
System power button
turned off
Single module has no power (LED status bar unlit)
Possible Cause
Module power turned
off
Module not connected
to the mains
Fuse has blown
Error in electronic
system
One or more modules cannot be turned off from the power button on the system base
Possible Cause
System power
connection
interrupted
Page 124
Remedial Action
Verify that the post-column cooler screws are tightened and the post-column
cooler is seated properly.
Remedial Action
Reduce the ambient temperature (for example, by ventilating the room), and/or
ambient humidity.
Remedial Action
Turn on the system with the power button on the front left of the system base.
Remedial Action
Turn on the module with its main power switch.
Connect the power cord.
Replace the fuses (refer to Operating Manual of the module).
Contact Technical Support.
Remedial Action
Check the system interlink connections between the system base and the system
modules, see Signal Cable Connections (} page 54).
Operating Manual
UHPLC System