putting together a new plane and i hooked up and binded my ar7000 receiver last night both lights flashed like they were supposed to and then went solid when i hit the bind button and all servos worked fine i was working on it tonight and both receivers kept flashing so i put the bind plug back in and re bound it again both lights went solid like they were supposed to but a little while later they started flashing again i dont know what this means all servos work fine while its flashing just like last night i had it on charge all night any help on what im missing or doing wrong