I do not know of any reported problems specific to the Kidde CO/smoke alarm, but I spent a significant part of my career servicing toxic gas sensors and can give you some general advice:
1- Most important: treat an alarm as a REAL alarm and DO NOT suspect that your alarm is a "false alarm". My experience has been that most "false alarms" ARE REAL and the source needs to be identified! With Carbon Monoxide detectors, it is usually a blocked vent for a gas fired appliance- a hot water heater, furnace, or oven. Call your fire department or a service professional to make sure that there is no carbon monoxide. They have portable detectors that will be able to double check your alarm.
My advice to you at this moment is to act as if you have a real alarm condition and do not place you or others in a life threatening situation. Ventilate the room/ apartment/house IMMEDIATELY!
I will post more after I send this because you may be in a life threatening situation!
OK- hopefully you did the right thing and are taking some sort of action to eliminate any risk....
Most often...I would say 90+% of the time, the sensor is right.
There are certain conditions where "interferants" will cause false alarms, but it is rare in most installations.
The most common interferant is RF, or "radio frequency" and it is usually related to improper installation of the sensor.... like plugging it in next to a microwave oven. Using cell phones, bluetooth, or wi-fi devices within 3 feet of a sensor can cause false alarms.
Other things that will cause false alarms are exposure to high levels of solvents, like nail polish remover, isopropyl alcohol, spray waxes, gasoline, etc.... if you suspect anything like this, the levels are probably toxic and you need better ventilation anyway.
This will sound like I am trying to be funny, but no joke- ******* by a sensor will set it off. I have seen where a CO sensor was plugged into a low outlet and a dog "cut one" next to it and it alarmed! The dog freaked and almost finished the job!
Cigarette smoke will trip a CO sensor if it is very thick. It will also have the effect of "poisoning" the sensor so that it will take hours to restabilize.
Hopefully this is enough information for you and I hope that you are safe. If you require more specific information or have further questions regarding CO and smoke detectors, please flag me. Thank you for using FixYa.
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