Possible cause and actionProblem
•
Leakage in the Frac arm
Contact service.
Liquid on the floor to
the right of the Cas-
sette tray
•
Unclean DropSync sensor diode windows or unclean
nozzle
Clean the DropSync diode windows and the nozzle.
See Section 7.6.4 Clean built-in fraction collector, on
page301. Use the Fraction collector cleaning position.
•
Too high flow rate during usage of DropSync
Use a flow rate below 2 ml/min.
•
One or more Cassettes have empty positions
Make sure that all Cassette positions contain tubes or
plates.
•
The tubes are flooded
Make sure that the fraction volume is adapted to the
tube volume.
Fraction tubes have not been replaced by empty tubes
when the Fraction collector was opened.
Spillage by the Fraction
collector during frac-
tionation
•
The Frac drawer is not properly closed
Close the Frac drawer.
It is not possible to
fractionate
•
The arm flat cable is stuck under the Cassette tray
Carefully try to remove the Cassette tray.
If persistent, contact Service.
Hard to pull out the
Frac drawer and Cas-
sette tray
•
The arm flat cable has locked the Frac arm
Contact Service.
The Frac arm is
blocked
ÄKTA avant User Manual 29035184 AE 391
8 Troubleshooting
8.5 Troubleshooting: Fraction collector
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