Receiver in Arducopter

Hello! I am a new drones enthusiast, and i got a built one already, buut, i have a little problem that i cant bind the controller with the drone, ill try to explain the steps i am taking to do it, first i connect this plug to the receiver .


in the far end after i connected the input to the board. After this i use the bind key while i turn on the controller and a message appear saying searching binding… then i connect the power supply to the board and a message appears saying binding ok, but after this the red light on the receiver is still blinking, did i miss any step? thanks!