Hoping someone can help me out I've just got a gardtec 500 panel from one of my mates who has removed it from an empty property he is refurbing,as I didn't need anything special it is only for my garage, but after powering it up the code PC is in the display don't know what it means hope someone can help I also noticed that in this mode if I tamper it will trigger the speaker and the code #REMOVED# doesn't work can anyone shed any light please