Rabu, 18 September 2013

Beeping smoke detector- won't stop?

carbon monoxide detector 3 beeps on Carbon Monoxide Detector Beeping First Alert SC9120B Hardwire ...
carbon monoxide detector 3 beeps image



curiouser


it is kidde fyrnetics -ionization smoke alarm model1275

it has battery and is hard wired....it started beeping..so I changed the battery...kept beeping..another battery....if you do the button test..works....the battery portion has stopped beeping but even when you reconnect to the hard wired part--the hard wired part won't stop.....

any suggestions?????? if not can someone tell me how to disable the hardwire, without breaking it permanently, until I can get someone in to look at it...driving me crazy....and YES I know you are not supposed to disable ...but I do have 3 othe smoke detectors and 3 carbon monoxide detectors in the house--thks



Answer
the smoke detector has gone bad. When you say it is hard wired there should be a plug in the back. Push together and pull it back out. get a new one that has the wiring and put the new plug in you may have to change the plug if you do change by wire colors they should match up.pull the new battery tab and you are good to go.

wired smoke detector keeps beeping I have turned it off at the mains but it is still beeping how do I stop it?




Sue H





Answer
I have worked in the electronic security industry for over 40 years, and have encountered many of my customers with this same complaint. Here are the most common causes of this problem.

1) You may have identified the wrong detector. In other words, the beep is coming from somewhere else, and not the smoke detectors. If you are absolutely certain that you have disconnected all power to the smoke detector then there is no way a noise can come from a detector that has no power. It is ether getting power from somewhere else, or you are hearing a beep from another device such as a carbon monoxide detector that is nearby.

2) Your smoke detector is one that is wired to an alarm system. In this case I highly recommend that you contact your alarm company for service because your smoke detector is getting power from a back up battery that is a part of your alarm system, and leaving the main power shut off will wear that battery down, and then you may have to have it replaced too.

3) Your smoke detector has a built in back up battery. You can shut off the main power to your detector, but it will still run on the internal battery until it dies, which could take several hours, or maybe even days. In this case you need to take the smoke detector down and see if there is a battery inside and disconnect it.

Most smoke detectors will come down by simply grasping the detector on the outer edges and giving it a twist either to the left or the right. If you look closely on the outer housing of the detector, there should be instructions on how to open it in raised lettering on the plastic. Be careful not to force it too much if the detector is expensive because most people end up breaking the housing or the mount of the device to the point it needs to be replaced with a new one.

The most common reason these detectors start beeping when there is no reason such as a fire, is because it has reached the end of it's useful service life. A very good quality detector should last about 10 years before it should be replaced, so if yours are older than that, you need to consider replacing them with new ones, and if they are wired in to your household power, or to your wired security system, then call in a professional service technician to have them replaced and tested for operation.




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