Yolink YS4907-UC User Manual page 21

Factory Reset
Factory reset will erase all your settings and bring it back to default. After the factory reset,
your device will still in your Yolink account.
Hold the SET button for 20-25 seconds until the LED blinks red and blue alternately.
Factory reset will be done when the light stops flashing.
Gas/Water Valve
SET
Model: YS4907-UC
Power: DC12V-1.5A
SET BUTTON
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