Hi,
my burglar alarm has developed a fault. The set up is fairly standard I believe - an internal alarm unit and a box on the outside of the house.
If I trigger the alarm then both the internal alarm (inside the unit) and the blue flashing light on the outside of the house go off but there is no external alarm.
I've tried changing the battery inside the alarm unit but this hasn't fixed the problem. I got inside the external box today and notice that there's another battery in there - is it likely that this needs changing or is it something else?
Thanks in advance.
my burglar alarm has developed a fault. The set up is fairly standard I believe - an internal alarm unit and a box on the outside of the house.
If I trigger the alarm then both the internal alarm (inside the unit) and the blue flashing light on the outside of the house go off but there is no external alarm.
I've tried changing the battery inside the alarm unit but this hasn't fixed the problem. I got inside the external box today and notice that there's another battery in there - is it likely that this needs changing or is it something else?
Thanks in advance.