The LED light indicates the current status of the sensor:
3
Status LED
Blinking Red Once, then Green Once
Device turned on
Blinking Green
Connecng to Cloud
Slow Blinking Green
Updang
Blinking Red And Green Alternately
Restoring to Factory Defaults
Fast Blinking Green
Establishing Connecon with YoLink System (YoLink Control)
Fast Blinking Red
Removing Connecon to YoLink System (YoLink Control)
Blinking Red Once
Device is connected to the cloud and is funconing normally
Fast Red Every 30 Seconds Blinking
Baeries are low; please replace the baeries (see page 19 & 20)
Alert LED
Blinking Red Every 5 Seconds
Leak or Flooding Warning