alarm siren box

Hi, I have been working on an Intellisense alarm 800L the original issue was externall siren keeps going off every few minutes for 5 seconds and then turning off again. I have since changed the battery inside which has stopped the siren going off all the time and all the fuses are good, and...

I have an old A1 AJ400 alarm system fitted in my house and recently the siren box an the outside wall cam down in the gales. I cannot trace the company to find a replacement, the dummy boxes are either too slimline to house the equipment, now exposed to the weather, or they have a backplate...