GE AKTApure, User Manual, Page: 236 / 522

Run and evaluate the test
Follow the instructions described in Section 6.1 General performance test actions, on page 226 to start,
run and automatically evaluate the performance test.
Possible causes of a failed test
The table below describes possible causes of a failed test. When possible sources of error have been
checked and corrected, repeat the test.
Action Cause
For further information, see Section 8.4 Troubleshooting: Valves, on
page 375. Faulty Column valve
Calibrate the pressure monitors, see Section 7.7.2 Calibrate the
pressure monitors, on page 305. The integrated pressure
monitors are not calibrated
Make sure that the reference tubing is connected between column
ports 1A and 1B and that the flow restrictor is in-line. Incorrect preparation of the
system
236 ÄKTA pure User Manual 29119969 AB
6 Performance tests
6.5 Column valve C tests