Citadel XR1 how to remove the tamper light so you can operate the alarm?
citadel xri?
sensors no longer active on my citadel xr2 alarm system?
Tamper light showing on Citadel vr8 system?
Citadel XR2 house alarm - Zone 7 keeps triggering?
I have a Citadel XR2 alarm. Indicator light wont go off?
does a citadel xri have two battery's?
Citadel XR2 Battery replacement?
How to reset the tamper function on my Citadel VR8 alarm please?