GE akta start - Sample Valve

3.8 Sample valve
Description
The Sample valve can be switched to allow the inlet of either buffer or sample.
DescriptionParameter
•
Indicates how many times the valve has switched.
•
When a valve has been replaced, the number of counts
has to be reset to 0.
•
Turn valve switches the valve between the Buffer and
Sample inlet ports. This option is used for troubleshoot-
ing the valve.
Valve switches
Instructions
Follow the instructions below to check if the Sample valve functions properly.
ActionStep
•
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.
1
Start the Pump:2
•
In the Settings and service screen, access Pump:Diagnostics screen.
•
Enter the desired flow rate and then start the Pump by tapping Start
flow.
In the Settings and service screen, tap Next to access the 2
nd
screen.3
Result: The following screen opens.
ÄKTA start Maintenance Manual 29060308 AD 59
3 Maintenance operations
3.8 Sample valve