Yolink YS4909-UC Manual page 28

D-4-2. Test the Controller and Motorized Valve
Turn on a water tap first, then test the controller several mes by pressing the SET bu on to
open or close the valve and confirming that water flow at the tap stops completely (while the
valve should be closed) and flows with no loss of pressure (while the valve should be open).
Then, use the YoLink app to open and close the valve
If Not Working Properly:
- If you are unable to get the controller
and/or motorized valve to operate
correctly, double-check the installa on
as needed. Do not proceed to the next
step un l the motorized valve opens
and closes the ball valve properly
- If it is s ll not working properly, Please
refer to addi onal troubleshoo ng
informa on on page 48, and Customer
Service hours and contact informa on
on page 51. For mechanical issues with
the motorized valve, sending us photos
and/or a brief video of the issue may be
beneficial in assis ng you
SET Bu on
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