Solution:
After a sub-device is successfully connected, tap the devices reset button before installing it. The voice prompt, "connection normal" indicates that the current location is suitable. If you do not hear the voice prompt, move it closer to the Control Hub and try again.
After a sub-device is successfully connected, tap the devices reset button before installing it. The voice prompt, "connection normal" indicates that the current location is suitable. If you do not hear the voice prompt, move it closer to the Control Hub and try again.