Can anyone help please. I have a Gardtec 350 home alarm installed (approx 15 years). I need to re-route the cable from the outside bell to the control unit. Currently, it runs round the wall of an upstairs room but I want to put it under the floorboards. When I turn the mains power supply off or remove the in-line fuse that feeds the control unit, the outside bell goes off. How can I unpower the system so that the alarm stays quiet for about ½hr to route the cable under the boards.
You will need to disconnect the battery inside the bell box or let it time out, the timer can be set for about 5 - 20 mins the latter being the norm