New lights are automatically in pairing mode. Factory resetting a Hue light can be accomplished in 6 ways which are described below. After resetting the light will automatically connect.
Reset
In Hue App löschen
Mit Lichtschalter
Repeat 5 times, starting with the bulb on:
Turn off for 2 seconds, turn on for 8 seconds
The light will pulse when factory reset and allow joining on Z2M