Repeat methods 2 to 4 for all of your previous BRK alarms. We endorse changing all alarms inside the program together to maintain optimum procedure operation; failing to do so might compromise interlink general performance. 02 would require to generally be up-to-date by 30th September 2021 so that you can https://www.firesense.co.uk/type/addressable-fire-system/addressable-fire-alarm-control-panels/