Related Products: 

Keypad E10, Entry Sensor E20, Motion Sensor E20, Glass Break Sensor E10, Smoke Sensor E10, Flood&Freeze Sensor E20, Key Fob E10, Panic Button E10, Indoor Siren E20, Outdoor Siren E20

Observing the LED status Light

Hold the SYNC button for 2 seconds to wake up the device. The LED status light should blink blue.

Check Battery
For new sensors, remember to peel off the battery barrier in the battery compartment before use.
For used sensors. Put in a new battery to ensure the power source is good.

Installation
Avoid too many walls or obstacles between HomeBase Professional and the sensor.

Firmware Upgrade

Always make sure the sensor is at the newest firmware version. If it is not, you can manually upgrade it on the app.

Contact us

If the LED light still doesn’t work. Contact eufy customer support  support.expert@eufy.com  to get help.