GE AKTA start Maintenance Manual page 58

3 Maintenance operations
3.7 Buffer valve
Step
7
8
58
Action
If these checks indicate that the valve is faulty, replace the Buffer valve.
If the valve has been replaced, tap Reset to set the Valve switches counter
to 0.
Result: A confirmation screen opens.
Tap Yes to confirm the reset if the valve has been replaced.
Or,
If the valve has not been replaced, tap No to cancel the action.
ÄKTA start Maintenance Manual 29060308 AD