GE AKTA avant User Manual page 389

Problem
The loaded Cassette
tray cannot be inserted
into the Frac chamber
Quick scan or Full scan
does not work
ÄKTA avant User Manual 29035184 AE
Possible cause and action
Some of the tubes or plates are incorrectly placed
•
in the Cassettes
Check that all tubes and plates are correctly inserted
in the Cassettes. See Section 5.8.1 Prepare the built-in
fraction collector, on page 203.
Some of the tubes or plates have the wrong dimen-
•
sions
Check that the deep well plates and the tubes used
are of the right type. See Section 3.10.3 Cassettes,
cassette tray and racks, on page 89 for information
about supported tubes and plates.
Cassette tray positioning discs are missing
•
Replace the Cassette tray positioning discs. See Sec-
tion 7.6.4 Clean built-in fraction collector, on page 301.
The Cassette type codes are unclean
•
Clean the the Cassette type codes.
The QuickRelease of a Cassette is in open position
•
Close the Cassette. See Section 5.8.1 Prepare the built-
in fraction collector, on page 203.
The Cassette code reader diode window is unclean
•
Clean the Cassette code reader diode window. See
Section 7.6.4 Clean built-in fraction collector, on
page 301.
The automatic scanning is turned off in UNICORN
•
Make sure that the automatic scanning is turned on
in UNICORN software. In System Control, select Sys-
tem:Settings. Navigate to Fraction collector:Cassette
configuration and select Automatic.
Wells in deep well plates are prefilled to a volume
•
above 25% of the total well volume
Full scan will not work with prefilled wells during these
conditions.
Hardware error
•
Generate a System error report and contact Service.
8 Troubleshooting
8.5 Troubleshooting: Fraction collector
389