Service Menu 22
2210.2657 Rev 3.0 NIPPY Clearway 2 Service Manual .
3. Ensure patient outlet is open and press ‘ZERO’.
The process is automatic – The valve will move causing flow to increase
at first then move to attempt to find zero.
When this achieved the valve spool will move to between the two end
positions to set them. The whole process takes around 2 minutes.
4. When complete a message will be displayed.