GE AKTA start Maintenance Manual page 57

Step
3
4
5
6
ÄKTA start Maintenance Manual 29060308 AD
Action
In the Settings and service screen, tap Next to access the 2
Result: The following screen opens.
In the Settings and service screen, tap Buffer valve.
Result: The Buffer valve screen opens.
Check that the valve position Buffer A is selected.
•
Tap Turn valve to check that the Buffer valve switches between Buffer
•
A and Buffer B on the Display. There is also a click sound when the valve
switches.
Check that the flow is delivered from the Buffer A inlet or the Buffer B
•
inlet, according to the selected valve position.
Note:
The Buffer valve is by default in the Buffer A position (the liquid is delivered
from the Buffer A inlet).
Visually inspect the flow at the outlet.
If the water is not flowing properly, check the following and fix accordingly:
Is there a blockage in the tubing?
•
Are the connectors tightly connected?
•
Stop the Pump:
In the Settings and service screen, access Pump:Diagnostics screen.
•
Stop the Pump by tapping Stop flow.
•
3 Maintenance operations
3.7 Buffer valve
nd
screen.
57