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Posted: 12/31/2005 7:59:40 AM EDT
[#1]
pvt. rootbeer is smoking dope
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Posted: 12/31/2005 8:00:17 AM EDT
[#2]
 He's into your stash, man! |
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Posted: 12/31/2005 8:00:29 AM EDT
[#3]
Have kids? see above
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Posted: 12/31/2005 8:02:39 AM EDT
[#4]
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Posted: 12/31/2005 8:03:21 AM EDT
[#5]
Voltage spike maybe?
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Posted: 12/31/2005 8:03:37 AM EDT
[#6]
Backup Batteries may be toast. Also voltage surges can do that. ET
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Posted: 12/31/2005 8:09:13 AM EDT
[#7]
I don't think they even have backup batteries. And I can't think of why there'd be a surge every 24 hours at about the same time.
Pvt. Root Beer has been disciplined just in case he was the reason... |
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Posted: 12/31/2005 8:13:40 AM EDT
[#8]
I had the same thing... not continuous operation, but periodic beeping in the night. It was the backup batteries (yes, there almost certainly are some, even though the detectors are hard wired).
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Posted: 12/31/2005 8:24:06 AM EDT
[#9]
Backup heat causing a rapid increase in ambient temprature.
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Posted: 12/31/2005 8:30:11 AM EDT
[#10]
Try another one. They are not expensive. Sometimes older units get more sensitive.
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Posted: 12/31/2005 8:32:50 AM EDT
[#11]
It's not mine, it's the couple's down the road. I'll pass on this info and post whatever they figure out. Thanks.
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Posted: 12/31/2005 8:48:25 AM EDT
[#12]
Blow them out with some compressed air. The kind used to clean off PC boards.
If over ten years old replace. By code thay are supposed to be tested for sensitivity and if off sent to manufacturer to be calibrated. That is cost prohibitive. Replace them |
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Posted: 12/31/2005 8:48:31 AM EDT
[#13]
Mine did the same thing.All hard wired,interconnected,and no battery backup.I replaced them all.Also,have batt units,in case power lost during electrical fire,etc
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Posted: 12/31/2005 8:50:51 AM EDT
[#14]
Do they "go off" or just start beeping? If it is just beeping it probably is a low backup battery as others have said. They probably have their thermostat set so that the house is colder at night, and a low battery could be falling below the required voltage and causing the beeps only when it gets too cold.
It wouldn't hurt to have them check to make sure the smoke alarm curcuit is not wired to a light switch that is turned off at night. |
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Posted: 12/31/2005 8:57:06 AM EDT
[#15]
smoke will make smoke alarms go off h.gif
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Posted: 12/31/2005 9:07:04 AM EDT
[#16]
We have a winner!! 
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Posted: 12/31/2005 10:24:23 AM EDT
[#17]
Rate of rise detectors generally wont activate with a few degree change. Sort of depends on what kind of units they are...photoelectric eye, ionization and so on...before a "reason" could be narrowed down...other than the battery charge indication. Activating and battery alarms shouldnt be the same alert.
They go off for the same reason the ones at hospitals go off at 3am.....they just do. |
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Posted: 12/31/2005 10:33:04 AM EDT
[#18]
I lived in an apartment complex where they went off every couple nights for a week. The FD arrived every time, since it was hard-wired. Speculation was that there was a short due to rain or defective wires. One night at 3am, however, I remember being one of 20-30 angry grad students who had to evac. There was one there that smelled kinda funny, looked hungry, and really didn't care about the fuss. We suspected he'd been sparking up and setting the detectors off. |
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