Yolink YS4909-UC Manual page 7

The LED light indicates the current status of the Gas/Water Valve Controller:
Blinking Red Once, Then Green Once
Device turned on
Blinking Red And Green Alternately
Restoring to Factory Defaults
Blinking Green Once
Turn on the manipulator/valve
Blinking Green
Connec ng to Cloud
Slow Blinking Green
Upda ng
Fast Blinking Green
Establishing Connec on with YoLink System (YoLink Control)
Blinking Red Once
Turn off the manipulator/valve or device is connected to the
cloud and is func oning normally
Fast Blinking Red
Removing Connec on to YoLink System (YoLink Control)
Fast Blinking Red Every 30 Seconds
Ba eries are low; please replace the ba eries (see page 41)
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