Thermo Scientific Vanquish VH-P10-A-02, Operating Manual

Page: 213 / 238

8 • Troubleshooting
Vanquish Pumps (VH-P10-A-02) Operating Manual Page 213
8.5.3 Performing Pressure Recalibration
When
Messages regarding the pump head pressure or nonlinear pressure
sensor appear in chromatography software, for example:
• Code 4212 Nonlinear pressure sensor. Please perform pressure
recalibration.
•
Code 4213 Head pressure does not match system pressure signal.
Execute self-test or perform pressure recalibration.
Follow these steps
1.
Before
you perform pressure recalibration, check the message in the
Messages section in this manual.
Before
pressure recalibration should be performed, message-specific
remedial actions might be required. Perform these actions as
applicable and proceed with the next step.
2. On the purge unit, remove the capillary from the OUT port.
3. Close the port and the open end of the capillary with an appropriate
plug or cap.
4. In Chromeleon, on the
Service
sub-panel for the pump, click
Calibrate to start the pressure recalibration procedure. A wizard
guides you through the procedure.