GE AKTApure User Manual

Possible cause and actionProblem
•
Air trapped in the pump heads
•
Partially blocked solvent filters
•
Leaking connections
•
Piston seal leakage
•
Check valve malfunction
•
Piston damaged
See Examples of pump pressure curves, on page390 for examples
of pump pressure curves.
Erratic pump pressure
•
The cable between the system pump and the ICU is not con-
nected.
Contact Service.
•
The cable between the sample pump and the ÄKTA pure instru-
ment is not connected.
Connect the cable.
•
A fuse in the instrument ICU is broken.
Contact Service.
The pump is not found by
the instrument
•
The air intake on the rear or on the left side of the instrument
is covered
Make sure that none of the air intakes on the instrument are
covered.
•
Hot surroundings
Decrease the room temperature. Maximum operating tempera-
ture is 35°C.
•
Hardware error
Switch off the instrument and wait until the temperature has
decreased. Restart the instrument. If this error is recurrent, gen-
erate a System error report and contact Service.
The internal temperature of
the pump is too high
•
The pressure has increased due to increased viscosity
The viscosity increases in cold room. Lower the flow when per-
forming runs in a cold room.
High pressure alarm
388 ÄKTA pure User Manual 29119969 AB
8 Troubleshooting
8.6 Troubleshooting: Pumps

GE AKTApure Specifications

General

Brand	GE
Model	AKTApure
Category	Laboratory Equipment
Language	English