Yolink YS4909-UC Manual page 43

G-2. Factory Reset the Gas/Water Valve Controller
Factory reset will erase all of your se ngs and restore it to factory defaults. A er the factory reset,
your device will remain in your Yolink account
Hold the SET bu on for 20-25 seconds un l the status light blinks red and green alternately,
then, release the bu on (Hold the SET bu on longer than 25 seconds will ABORT the factory
reset opera on
)
Factory reset will be complete when the status light stops blinking
SET Bu on
(20-25 seconds)
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