Action
Step
In the Settings and service screen, tap Next to access the 2
nd
screen.
3
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).
4
Visually inspect the flow at the outlet.
5
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:
6
•
In the Settings and service screen, access Pump:Diagnostics screen.
•
Stop the Pump by tapping Stop flow.
ÄKTA start Maintenance Manual 29-0603-08 AC
83
5 Service and settings
5.6 Buffer valve
