How can I change the engineers code to my own (Citadel VR8)?
citadel xr2?
how to stop the sensor beeping on citadel alarm?
attack alarm?
how do i fix my citadel house alarm?
Citadel XR2 house alarm - Zone 7 keeps triggering?
citadel xr2 alarm wont stop bleping every time i walk past sensorsjim?
Citadel XR2 Battery replacement?
How to reset the tamper function on my Citadel VR8 alarm please?
Tamper light showing on Citadel vr8 system?
Citadel XR2 upstairs remote?
Citadel XR1 how to remove the tamper light so you can operate the alarm?