Wash Valve - GE AKTA start Maintenance Manual

3 Maintenance operations

3.9 Wash valve

3.9

Wash valve

Description
The Wash valve can be switched to divert the flow either to column or to waste.
Parameter
Valve switches
Instructions
Follow the instructions below to check if the Wash valve functions properly.
Step
1
2
62
Description
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 Waste and
•
Column outlet ports. This option is used for trou-
bleshooting the valve.
Action
Immerse the buffer inlet tubing A in demineralized water.
•
Place the outlet tubing from the Wash valve and the outlet tubing from
•
the Outlet valve in the waste bottle.
Check that:
•
Buffer A is selected in the Buffer valve screen
-
Buffer is selected in the Sample 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.
ÄKTA start Maintenance Manual 29060308 AD