We usually Arm / Disarm the system using the Keypad which is far away from the base so we can’t hear the “sensors are open” message while arming.
Is it possible to have the system not arm if sensors are open?
It seems wrong to be able to arm the system if windows (sensors) are left open.
This feature has been requested in the Wishlist. Follow the link below , vote at the top, like any posts that appeal to you, and add a new post to the bottom with your ideas.