Tamper light showing on Citadel vr8 system?
citadel xr2+ tamper mode?
how can i enter new code into citadel vr8?
sensors no longer active on my citadel xr2 alarm system?
citadel xr2?
Citadel XR2 house alarm - Zone 7 keeps triggering?
How can I change the engineers code to my own (Citadel VR8)?
Citadel XR2 Battery replacement?
How to reset the tamper function on my Citadel VR8 alarm please?