1. The Remote controllers (main box) are equipped with a studying key and studying pilot lamp LED1. This is a small black button in the main box
2. Press and hold the studying key for about 1-2 seconds in the main box and the Green LED light should flash on.
3. Press the button with the square sign on the remotes for programming.
4. Check that your remote is fully programmed by trying the other keys.
5. If you have other remotes, please repeat steps 1-4 above.
Press the studying key for about 10 seconds. The LED1 should light up and the keys will have been deleted.
Please note that while deleting, none of the keys would work; unless you program them again.