So I moved into this house a few years ago we have a challenger alarm which I’ve never used, got two panels them being challenger ap28 and then I think a challenger au1000 bell box outside.
Over the past few years randomly the internal siren has went off a few times, but putting in the code...
Hey guys looking for some advice, I have a combi boiler (ideal isar)and when turning on the hot water from any hot water tap and then turning off just as it ignites or just after I get the below noise:
https://streamable.com/bodqvc
It’s like someone’s drilling in the boiler, it’s not coming...