How can I change the engineers code to my own (Citadel VR8)?
Citadel XR2 upstairs remote?
Tamper light showing on Citadel vr8 system?
citadel xr2 8zone?
How to reset the tamper function on my Citadel VR8 alarm please?
I have a Citadel XR2 alarm. Indicator light wont go off?
Citadel xr alarm?
Delay alarm going off citadel?
citadel xr2 alarm wont stop bleping every time i walk past sensorsjim?