Possible cause and actionProblem
•
Too many commands are pending in the Fraction
collector
The reason could be that too many Fraction collector
instructions have been sent. Wait for a while and try
again.
Fraction collection
tube or well is over-
filled and fractionation
movements are lost.
•
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 built-in fraction collec-
tor, on page 301 for more information.
•
Unclean Cassette type codes
Clean the Cassette type codes. See Section 7.6.4 Clean
built-in fraction collector, on page301 for more informa-
tion.
If this error is recurrent, set the Fraction collector
configuration manually in UNICORN. In System Con-
trol, select System:Settings. Navigate to Fraction
collector:Cassette configuration and select Manual.
The Fraction collector
failed to detect the
code on the Cassette
•
The Cassette tray positioning discs in the Frac
chamber are missing
Replace the Cassette tray positioning discs in the Frac
chamber. See Section 7.6.4 Clean built-in fraction col-
lector, on page 301.
The Cassette tray is
loose in the Fraction
collector
•
Unclean Drop sync sensor diode windows
Clean the Drop sync sensor diode windows. See Sec-
tion 7.6.4 Clean built-in fraction collector, on page 301
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
DropSync sensor failed
ÄKTA avant User Manual 29035184 AE 385
8 Troubleshooting
8.5 Troubleshooting: Fraction collector
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