To change the battery in your Honeywell Galaxy alarm (models G2 and G3), you first need to remove the cover of your main alarm panel by unscrewing t
To change the battery in your Honeywell Galaxy alarm (models G2 and G3), you first need to remove the cover of your main alarm panel by unscrewing the two screws either side of the panel. The alarm will then sound. To silence the alarm enter your 4 digit user code.
With the panel now open, locate the battery and remove the two terminals (red and black) making sure these don’t touch, and removing and replacing the battery. Please note, there is live 240V power in the transformer – so please be careful and make sure you don’t touch this. Also please make sure you don’t knock any of the other wires in the panel – as these may cause your alarm to stop working.
Now replace the alarm panel lid making sure you replace screws firmly. Reset the system by Entering ‘Use Code’ and ‘Ent’, followed by pressing ‘A’ – to view events. Then finally PRESS ‘Ent’ and ‘Esc’.
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