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Smoke Alarm Regularly Cheeping Despite Fitting New Battery...

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sandyRoe | 17:54 Sat 04th Jan 2014 | DIY
26 Answers
My smoke alarm, mains with a battery in case of a fire during a power out, (I'd be having a really bad day if that happened) started to cheep. I replaced the battery and it's still squawking. What now?
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bhg, glad someone could follow my reasoning and also see where it was going...bloody hard work at times :-)
18:40 Sat 04th Jan 2014
is there just the one smoke alarm? I spent ages tracking down a squeep noise one night, taking down smoke alarms at 3am until I realised it was actually a carbon monoxide alarm that was going flat ...
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Multi-testers, batteries that 'give' 9v, we drifting into an area that I'm not comfortable in. It was all I could do to change a fuse.
How about this, Sandy

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I have to say I thought I was being gassed when the CO monitor went off.

I spose it is designed to make you think that

I had one fitted by fire service with 10yr guarantee.After just a year Started beeping, changed batteries did resets , still kept doing it .Not nice at 4am!
Had to swipe the bloody thing off with a broom!
Contacted supplier Fireguard in west midlands - who were totally useless
Earlier in this thread someone suggested "blowing" in the detection chamber.
Technically, at least here in the U.S., it's called the 'target'. It's a smallish (maybe 2 inches in diameter) shiny cup shaped device into which the particles of smoke collect to set off the alarm. These need a regular cleaning, but blowing doesn't help much since the household dust particles that collect over time are sticky with various and sundry by products of cooking, etc.

Since you detector is powered both by a standby battery (I don't think that's your problem) as well as house current, you'll need to find the appropriate circuit breaker (hopefully it's labeled), open it then proceed back to the device. The top should just pop off with a little pressure. The 'target' will be quite visible and recognizable, even from my less than informative description. Take a tissue and wipe it out a couple of times (do not wet it with your tongue first, however). Replace the top, reset the circuit breaker, et voila. (If this doesn't cure the problem (I'll be out of the country the next few weeks and so unavailable for any snideness).

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