could just be a loose wire in the siren or control panel or broken wire! make sure that all wires are correctly in and check all cables and if this does not work then contact the installer or notifiy the alarm company.
ben
April 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix home alarm systems.