have you got the 3800 manual, and did you follow the 3800 "add device" instructions?
does it work if you open the Entry door and start the countdown before you try to disarm with the keypad?
I've done it successfully but haven't got my notes to hand.
does it work if you open the Entry door and start the countdown before you try to disarm with the keypad?
I've done it successfully but haven't got my notes to hand.