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I have electric smoke detectors with battery backup. They started beeping a few days ago so I went out and purchased all new batteries to replace the old ones. They still beep. It's not a constant beep....about every 30 seconds or so. I even used a vacum to make sure that there was no dust on the sensors. They are only a year old so it's not that they are old. I'm at a loss. Can anyone help before I go crazy!!!!!!! Thanks!

2007-08-20 04:50:39 · 4 answers · asked by Diane 2 in Consumer Electronics Other - Electronics

4 answers

Several possibilities....

Some detectors, even the home owner versions, have an extra wire that will chain all of them together and if one goes off, all goes off. If this is the case, you may have another one somewhere that is having an intermittent problem. On back of the unit, if you notice, there are at least 3 wires. White, black, and green. If you have the 4th wire (which could be any color) connected, this may be a possibility.

Another possibility is that you may just have a unit that went defective prematurely. I won't go into a long explanations on how the detector works, but one possible failure mode is, for the detectors to think there is a smoke when there isn't. In this case, you will simply have to replace it.

The third possibility is, this may be a code.... If you still have a manual for the unit, look it up to see if beeping every 30 seconds mean anything.

2007-08-20 05:03:17 · answer #1 · answered by tkquestion 7 · 2 0

It sounds like your smoke detector is NOT hooked up to the AC power lines, and the battery is going dead, as others have suggested. You can check that by turning off the main power switch. If you had the ceiling finished by someone else, maybe they will remember where the smoke detector is located. You could just put up with the beeping until it stops - after the battery has completely died - which is what I would do. Or you could buy a cheap stethoscope and go around your basement listening to the ceiling in order to locate it.

2016-03-17 03:15:43 · answer #2 · answered by Anonymous · 0 0

You have more than one detector showing the same behavior? Assuming the batteries are correctly inserted, all I can think of is that electric power to the detectors is off. Go to your circuit breaker panel or fuse box and make sure the detectors are getting power.

2007-08-20 04:56:58 · answer #3 · answered by Anonymous · 2 0

Its just running out of juice-Put new batteries in it!

2007-08-20 04:58:40 · answer #4 · answered by DJowithlove 1 · 0 3

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