GE AKTA avant User Manual page 259

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