Ok guys.. Putting a volt meter on a battery proves nothing, as you all rightly poited out. A load test proved the battery shot. New one now installed. Thanks for the advice/replies.
Thanks for replying handymanjo. I have removed and metered the battery at 13.7 volts.
I did not see any mains failure message, in fact the screen went blank and unlit. When the mains was restored the alarm silenced, the keypad awoke and I could reset it.
Then I removed the panel cover and the...
I have just bought a house with a Pyronix Sterling 10 alarm. It has a dedicated mains supply and in internal battery that is in good order. When the power is cut the alarm sounds.
Shouldn't the battery maintain the system until power is restored? or is this a feature because the mains...