GE AKTA avant, User Manual

Page: 259 / 538

Action Cause
If the test is performed at cold room temperature, open
the System Settings dialog box, select Conductivity:Cond
temp compensation and set the Compensation factor
to 2.1 The value set for the
Cond temp compensa-
tion factor is not optimal
Faulty UV Noise Test
Action Cause
Flush or clean the UV cell, see Section 7.5.1 Clean the UV
flow cell, on page 283. Air or dirt in the UV flow
cell
Check buffers for impurities. Impure buffer
Faulty Pressure Check Test
Action Cause
Check the tubing. Folded, twisted or
blocked tubing
Replace the inline filter, see Section 7.3.2 Replace the inline
filter, on page 275. Dirt in inline filter
Calibrate the pressure monitor, see Section 7.7.2 Calibrate
the pressure monitors, on page 323. System pressure moni-
tor not calibrated
ÄKTA avant User Manual 29035184 AE 259
6 Performance tests
6.6 System test