GE AKTA avant User Manual page 386

8 Troubleshooting
8.5 Troubleshooting: Fraction collector
Problem
The Dispenser head
failed to detect a drop
The Dispenser head
failed to detect the
flow properly and has
switched to tube
change with reduced
accumulator function-
ality
386
Possible cause and action
Air in the flow path
•
Check the flow path for air. Fill system and purge
pumps according to Section 5.4 Prime inlets and purge
pump heads, on page 165.
If this error is recurrent, generate a System error report
and contact Service.
Unclean DropSync sensor diode windows
•
Clean the DropSync sensor diode windows. See Sec-
tion 7.6.4 Clean built-in fraction collector, on page 301.
If this error is recurrent, generate a System error report
and contact Service.
Too high flow rate
•
Decrease the flow rate.
Air in the flow path
•
Check the flow path for air. Fill system and purge
pumps according to Section 5.4 Prime inlets and purge
pump heads, on page 165.
If this error is recurrent, generate a System error report
and contact Service.
Unclean DropSync sensor diode windows
•
Clean the DropSync sensor diode windows. See Sec-
tion 7.6.4 Clean built-in fraction collector, on page 301.
If this error is recurrent, generate a System error report
and contact Service.
ÄKTA avant User Manual 29035184 AE