At 6.30 am this morning our house alarm went off,but only in the box inside
the kitchen where it is. The outside box didn't come on,thankfully,I thought
it was someone else's alarm till I got up and heard it coming from the
kitchen,what could have happened to set it off,I don't have it set for
through the night,then I couldn't remember the number to switch it off so
husband pulled out fuse had to eventually disconnect wires to stop the
infuriating noise.Would someone have been trying to get in?if not what set
it off and why didn't the outside box not go off,can anyone tell me.
There may have been a small power cut in your area. Any interruption to a
sensitive alarm control panel can cause the sounder to activate.
Did any zone show activation?
Did the panel reset without problems?
Has it ever done that before?
Do you have a maintenance contract with a reputable company? If not, then I
would advise you get one. For your own peace of mind.
Perhaps there was a glitch in the electricity, and the backup battery
Usually, there will be a fair-sized rechargeable battery in the panel,
the purpose of which is to maintain the supply during mains power
outages. They need to be replaced periodically. If the panel starts
to sound when disconnected from the mains, then that is your problem.
You can get replacements from Maplin, unless it's a really obscure
one. Be sure to reconnect the new the right way round.
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