Use bluetoothctl:
rfkill unblock bluetooth
bluetoothctl
[bluetooth]# scan on
[bluetooth]# pair <MAC address>
[bluetooth]# connect <MAC address>
[bluetooth]# discoverable on
[bluetooth]# exit
Now try pairing from your devce
Use bluetoothctl:
rfkill unblock bluetooth
bluetoothctl
[bluetooth]# scan on
[bluetooth]# pair <MAC address>
[bluetooth]# connect <MAC address>
[bluetooth]# discoverable on
[bluetooth]# exit
Now try pairing from your devce