Buffer Valve - GE akta start Maintenance Manual

5 Service and settings

5.6 Buffer valve

5.6

Buffer valve

Description
The Buffer valve can be switched to allow the inlet of either buffer A or buffer B, or a
mixture of A and B (gradient).
Parameter
Valve switches
Instructions
Follow the instructions below to check if the Buffer valve functions properly.
Step
1
2
82
Description
Indicates how many times the valve has switched be-
•
tween buffer A or buffer B.
When a valve has been replaced, the number of counts
•
has to be reset to 0.
Turn valve switches the valve between its two posi-
•
tions, for example the A and B inlet ports. This option
is used for troubleshooting the valve.
Action
Immerse the buffer inlet tubing A and B in demineralized water.
•
Place the outlet tubing from the Wash valve in the waste bottle.
•
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, and then tap Back:Back to return to the Settings and service
screen.
ÄKTA start Maintenance Manual 29-0603-08 AC