sensors no longer active on my citadel xr2 alarm system?
citadel xr2 8zone?
Citadel XR2 Battery replacement?
Citadel XR1 how to remove the tamper light so you can operate the alarm?
how can i enter new code into citadel vr8?
Citadel xr alarm?
How to reset the tamper function on my Citadel VR8 alarm please?
how do i fix my citadel house alarm?
does a citadel xri have two battery's?