sounding

hi Our Accenta g4 system has been flawless for years. Last night our external bell started to sound. System was unset. No idea what triggered it. Only way to stop it was remove red cable from the circuit board to the bell. Figured battery needed changed. Did that today, connected everything...

Hi all, I have recently fitted a honeywell G4 system and it keeps tripping reporting zone 4 and sometimes zone 4 and 5. BUT both these zones are terminated with no sensors. The alarm sets fine but then sounds an hour later for no apparent reason. Could the panel be faulty fresh out of the...