Sample Valve - GE akta start Maintenance Manual

5.7

Sample valve

Description
The Sample valve can be switched to allow the inlet of either buffer or sample.
Parameter
Valve switches
Instructions
Follow the instructions below to check if the Sample valve functions properly.
Step
1
2
ÄKTA start Maintenance Manual 29-0603-08 AC
Description
Indicates how many times the valve has switched.
•
When an old valve is defective and replaced, the
•
number of counts (Valve switches) has to be reset to
0.
Turn valve switches the valve between its two posi-
•
tions, for example the Buffer and Sample inlet ports.
This option is used for troubleshooting the valve.
Action
Immerse the buffer inlet tubing A and the sample inlet tubing in deminer-
•
alized water.
Place the outlet tubing from the Wash valve in the waste bottle.
•
Check that Buffer A is selected in the Buffer valve screen.
•
Start the Pump:
In the Settings and service screen, access Pump:Diagnostics screen.
•
Enter the desired flow rate and then start the Pump by tapping Start
•
flow.
5 Service and settings

5.7 Sample valve

85