Beep when i turn the throttle

[Beufkrl]

Hi, i just got a fardriver 72450, i wired the battery, throttle, Bluetooth and the motor, setup the basic paras but it won t work, when I turn the throttle the controller Beep, and the self learning is making 2 short Beep and 1 long, I disabled the brake in functions but it still won t work, I also wonder why my gear is « 3 » and Not « D ». Can you Help me ? Thanks