GE AKTApure User Manual page 247

Faulty UV Noise Test
Cause
Air or dirt in the UV flow cell
Impure buffers
Faulty Pressure Check Test
Cause
Folded, twisted or blocked
tubing
The inline filter is dirty
The System pressure monitor
is not calibrated
ÄKTA pure User Manual 29119969 AB
Action
Flush or clean the UV cell, see Section 7.5.1 Clean the UV flow cell,
on page 273.
Check the buffers.
Action
Check the tubing.
Replace the inline filter, see Section 7.3.2 Replace the inline filter, on
page 266.
Calibrate the pressure monitor, see Section 7.7.2 Calibrate the pres-
sure monitors, on page 305.
6 Performance tests
6.9 System Test UV U9-L (fixed)
247