How can I change the engineers code to my own (Citadel VR8)?
Citadel XR2 Battery replacement?
citadel xr2 need to turn power off?
How to reset the tamper function on my Citadel VR8 alarm please?
citadel xr2+ tamper mode?
Tamper light showing on Citadel vr8 system?
citadel xr2?
Citadel xr2 constant alarm!!?
Citadel XR1 how to remove the tamper light so you can operate the alarm?
citadel xr2 alarm fault. please help!!?
does a citadel xri have two battery's?
I have a Citadel XR2 alarm. Indicator light wont go off?