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Smoke alarm made screeching noise
Legacy_user
Posts: 0 Newbie
My home has three smoke alarms, backed up by the mains electricity installed by the builders, 7 years ago. Each of them has had its battery replaced about 5 times each.
In the small hours of this morning. I got woken up by one of them screeching with a gap of 5 seconds. It wasn't the low battery chirp, which sounds every 40 seconds.
So I removed the alarm and battery from the alarm and it screeched twice more (a little quieter though)without the battery:eek: I thought it was going to go on forever.
What caused this? Is the battery gone? Is the smoke alarm gone?
In the small hours of this morning. I got woken up by one of them screeching with a gap of 5 seconds. It wasn't the low battery chirp, which sounds every 40 seconds.
So I removed the alarm and battery from the alarm and it screeched twice more (a little quieter though)without the battery:eek: I thought it was going to go on forever.
What caused this? Is the battery gone? Is the smoke alarm gone?
0
Comments
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What does the manual say about audible warnings?0
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Is it a combined smoke/CO alarm?Accept your past without regret, handle your present with confidence and face your future without fear0
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The manual says nothing and I don't have gas.This is a system account and does not represent a real person. To contact the Forum Team email forumteam@moneysavingexpert.com0
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How old is the smoke alarm? Some of them require changing every few years (well at least the sensor) check to see if there is a label stuck inside or the original instructions leaflet/manual.0
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Ours would loudly beep when the back - up battery came loose. Putting back in firmly solved the problem.Don't listen to me, I'm no expert!0
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How old is the smoke alarm? Some of them require changing every few years (well at least the sensor) check to see if there is a label stuck inside or the original instructions leaflet/manual.
Seven years oldThis is a system account and does not represent a real person. To contact the Forum Team email forumteam@moneysavingexpert.com0 -
Firstly they are not "backed up by the mains" - they are mains powered with battery backup (which is known as a Grade D system).ScarletMarble wrote: »My home has three smoke alarms, backed up by the mains electricity installed by the builders, 7 years ago.
Secondly, I hope they were installed by an Electrician and not a builder!0 -
I've had this before, it was caused by dust in the sensor, try giving it a good vac. For some reason it would always happen when the sun hit it in the morning which I never did understand!
I'd also test it to make sure it still functions, if in doubt replace it.0
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