Usually the reason is that there is a sensor that is either open or in trouble. If all doors are not shut, the system will not arm and will sound the alarm. Check the status and correct the issue and try again.
If you experience further difficulties, please contact our service department at 800-250-8927.
Under most circumstances you will be required to check the status of the system. The keypad/panel will tell you what the problem is. On a Concord system, the user should press * to check status and disarm, and repeat the action again if needed and ...
Yes, if you are unable to correct the issue of why the sensor is in the alarm. On a Concord system, you should follow the user guide by clicking here. On a Honeywell Lnyx system, you should follow the user guide by clicking here.