Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener "clicker remote opens garage doors" Questions

...remote control (Clicker) model KLIK1U. So I bought it and follow their 7 step instruction but did not work. My question is: Are Lowe's right about the remote just die and if they are right then what ...

...clicker remote for this system and programed it. It make the LED ligth on the back of the unit blink, tell me I have sucessfully program the unit. when I press the buttom to actived garage door it ...