sampleLight is not searched by Coordinator at 3 meters.
sampleLight is controlled by Coordinator at 3 meters after the sampleLight is commissioned at 2 meters.
How to fix it ?
sampleLight is not commissioned by a Coordinator over 3 meters.
sampleLight is controlled by the Coordinator over 3 meters after the sampleLight is commissioned by the Coordinator under 2 meters.
Thus
I think that communication distance is different between "Commissioning" and "after Commissioning".
Can I expand communication distance while commissioning ?