To delete all remote controls: Press the ""Stop"" button on the remote control for 5 seconds. The screen will move up and down slightly once to indicate that it has entered the setup state. Then, press the ""Down"" button on the remote control for 2 seconds. The screen will move up and down slightly once again to indicate that the deletion was successful.
To wake up the learning code: Within 30 seconds of powering on the limit switch, press the ""U2"" button on the back of the unlearned remote control for 7 seconds. The screen will move up and down slightly once to enter the learning code state. Then, press the ""Stop"" button on the remote control for 2 seconds. The screen will move up and down slightly once more to indicate that the learning code was successful.