GE AKTA avant - Page 390

Possible cause and actionProblem
•
The light has been turned off in UNICORN
Turn on the light in UNICORN. In System Control, select
System:Settings. Navigate to Fraction collector:Frac-
tion collector lamp and select Lamps On.
•
The lamp is broken
Contact Service.
The Frac chamber is
dark
•
The Frac waste tubing is positioned so that the flow
is obstructed
Untwist the waste tubing.
•
The waste container is placed in a position higher
than the waste outlet
Place the waste container in a position lower than the
waste outlet.
•
Waste tubing is blocked.
Clean or replace the waste tubing.
The Frac waste is
flooded
•
Check the position of the waste funnel
Refit the waste funnel.
The liquid leaving the
nozzle does not strike
the waste funnel
•
Salt residuals in the capillary
Perform an Accumulator wash.
If persistent, contact Service.
The Frac capillary is
blocked
•
Leakage on the wet side of the instrument
Localize the leakage and take care of the leakage, for
example by tightening connectors.
•
Air in pumps
Purge pumps. See Section 5.4.1 Prime buffer inlets and
purge system pumps, on page 166.
•
Bad pump function
See troubleshooting of pumps in Section 8.6 Trou-
bleshooting: Pumps, on page 397.
•
Leakage inside the Frac chamber
Contact Service.
The fraction volume
found in the tubes or
wells are smaller than
expected
390 ÄKTA avant User Manual 29035184 AE
8 Troubleshooting
8.5 Troubleshooting: Fraction collector