GE AKTApure 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. For System pumps
and Sample pump S9H, see Section 7.8.10 Replace pump piston
seals of Pump P9 or P9H, on page 335. For Sample pump S9, see
Section 7.8.11 Replace pump piston seals of Pump P9-S, on
page 344
Liquid is leaking between
the pump head and the side
panel
•
Air in pumps
Purge the pumps. See Section 5.4 Prime inlets and purge pump
heads, on page 161 or Section 5.4.2 Sample pump, on page 168.
•
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 Section 7.8.12
Replace pump pistons, on page 351.
•
Bad pump piston seal
Replace the piston seal and rinse membrane according to Sec-
tion 7.8.10 Replace pump piston seals of Pump P9 or P9H, on
page335 or Section 7.8.11 Replace pump piston seals of Pump P9-
S, on page 344 .
Low eluent flow and noise
•
Leaking connection and/or crystallized material around a
connector
Unscrew the connector and check if it is worn or incorrectly fitted.
If so, replace the connector. Gently finger tighten the connector.
Leakage around a connec-
tor
ÄKTA pure User Manual 29119969 AB 387
8 Troubleshooting
8.6 Troubleshooting: Pumps

GE AKTApure Specifications

General

Brand	GE
Model	AKTApure
Category	Laboratory Equipment
Language	English