GE AKTA avant User Manual

8.6 Troubleshooting: Pumps
In this section
•
Troubleshooting for System pumps and Sample pumps
•
Example of pump pressure curves
•
Remove persistent air bubbles
Pumps
Possible cause and actionProblem
•
Piston seal or rinsing membrane incorrectly fitted
or worn
Replace or reinstall the seal or the membrane. See
ÄKTA avant Operating Instructions.
Liquid is leaking be-
tween the pump head
and the side panel
•
Air in pumps
Purge the pumps. See Section 5.4.1 Prime buffer inlets
and purge system pumps, on page 166.
•
Bad piston spring
Disassemble the pump head and examine the piston
spring. If the spring is corroded, check piston seal and
rinse membrane. Make sure that the pump piston
rinsing system is always used when working with
aqueous buffers containing salt.
•
Bad pump piston
If the piston is damaged, replace it according to ÄKTA
avant Operating Instructions.
•
Bad pump piston seal
Replace the piston seal and rinse membrane accord-
ing to ÄKTA avant Operating Instructions.
•
Blocked pump flow restrictors
See Section 7.6.10 Clean pump flow restrictors, on
page 315.
Low eluent flow and
noise
ÄKTA avant User Manual 29035184 AE 397
8 Troubleshooting
8.6 Troubleshooting: Pumps

GE AKTA avant Specifications

General

Brand	GE
Model	AKTA avant
Category	Laboratory Equipment
Language	English