Possible cause and actionProblem
•
Cassette tray or tube rack is inserted in the wrong direction
Take it out and insert it in the correct direction.
•
Unclean Cassette type code reader
Clean the dispenser head and its four diode windows using a
cloth and a mild cleaning agent or 20% ethanol. See Section 7.6.4
Clean Fraction collector F9-C, on page 288 for more information.
•
Unclean Cassette type codes
Clean the Cassette type codes. See Section 7.6.4 Clean Fraction
collector F9-C, on page 288 for more information.
If this error is recurrent, set the Fraction collector configuration
manually in UNICORN. In System Control, select System:Settings.
Navigate to Fraction collector:Cassette configuration and select
Manual.
The fraction collector failed
to detect the code on the
Cassette
•
The Tray guides in the fractionation chamber are missing
Replace the Tray guides. See Section 7.6.4 Clean Fraction collector
F9-C, on page 288.
•
The Tray catch is broken
Contact service.
The Cassette tray is loose in
the fraction collector
•
Unclean Drop sync sensor diode windows
Clean the Drop sync sensor diode windows. See Section 7.6.4
Clean Fraction collector F9-C, on page288 for location of the Drop
sync sensor diode windows and cleaning instructions.
If this error is recurrent, generate a System error report and
contact Service.
Calibration of the Drop sync
sensor failed
•
Liquid spatter in the fraction collector
Change to another type of tubes or deepwell plates or collect
fraction volumes of maximum two thirds of the volume of the
tubes. Clean the diode windows of the drop sync sensor more
frequently than once a week, using a cloth and a mild cleaning
agent or 20% ethanol.
Drop sync does not work
378 ÄKTA pure User Manual 29119969 AB
8 Troubleshooting
8.5 Troubleshooting: Fraction collector
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