How to Reset an FC code on ADT Security System - ADT Home Security Facts

ADT Home Security Facts. Your source for ADT home alarm system info. How to Reset an FC code on ADT Security System. If your ADT security system is showing ‘FC’ then it is not communicating as it should. ‘FC’ stands for ‘Failed Communication,’ and is a common issue with ADT security systems. Luckily, minor issues like this do not require that you contact ADT to resolve. With a few basic steps (outlined below), it is something you can troubleshoot and resolve all by yourself. In this particular case, it is necessary that you reset the FC code. This can typically be done by punching in your code, followed by ‘5.’ When all else fails, remember that you can contact your local ADT customer service representative for help. They are the experts, and can help you resolve anything. In most cases, however, you can reset the FC code by doing the following three steps: Step 1 : Locate the reset button on your ADT alarm keypad. Press down the reset button and hold it down for about two seconds. Step 2 : Sometimes the reset button does not work. If that doesn’t work, then you’ll have to go with plan B. If you’re at plan B press the ‘*’ button, followed by ‘7’, and finally by ‘2.’ Step 3 : If you followed steps 1 and 2 correctly, your alarm system will reset, and then turn off. Step 4 : That’s it! You’re a genius!