Mag+ Trainer and Speed Sensor

Hi guys I have the following trainer Mag+ Trainer also I have Speed sensor 1 from Garmin and Cadence Sensor 2 from Garmin.

the cadence sensor returns data but the speed sensor not,Im using and MTB 29’’.
When I go to the road, my avatar is quite at the road, I log out all my log in and nothing works.

Both sensors are connected from Bluetooth