What do the lights on a carbon monoxide detector mean?
On First Alert carbon monoxide detectors, check to see if the battery light is yellow or green. If the alarm is chirping and the light is yellow, it means the battery is low. The way to get a carbon monoxide alarm to stop chirping is to replace the battery.
How do I know if my carbon monoxide detector is working?
If it’s working, the alarm will sound within a few minutes to half an hour of constant exposure. They don’t always alarm immediately the way that a smoke detector does. CO detectors should be part of every home’s safety program.
What does it mean if my carbon monoxide alarm is chirping?
It probably means your CO alarm has reached its end of life and should be replaced. CO alarms have a life expectancy of around seven years. The CO alarm will beep every 30 seconds or display ERR or END. If a CO alarm is at its end-of-life, replacing the battery will not stop the beep.
How can I tell how old my carbon monoxide detector is?
Most Carbon Monoxide detectors are good for 5-7 years and should be replaced after that time frame. Typically, the units have a tag or date stamp on the back to indicate it’s age or expiration date.
What color should my carbon monoxide detector be?
Information
| Color | Voice notification | What it means |
|---|---|---|
| Red | “Highest carbon monoxide level was [Number] PPM.” | Emergency warnings |
| Yellow | “Detector error.” | Possible malfunction or low battery |
| “Alarm has reached its End of Life. Replace Alarm in [Location].” | ||
| White | N/A | Power indicator and nightlight |
Why is the green light flashing on my carbon monoxide detector?
A flashing green light can simply mean that the unit is installed and working properly.
How do I know if my carbon monoxide detector needs a new battery?
1 beep every minute: This means that the alarm has low batteries and you should replace them. 5 beeps every minute: This means your alarm has reached the end of its life and needs to be replaced with a new carbon monoxide alarm.
What does 4 beeps on a carbon monoxide detector mean?
EMERGENCY
4 Beeps and a Pause: EMERGENCY. This means that carbon monoxide has been detected in the area, you should move to fresh air and call 9-1-1. 1 Beep Every Minute: Low Battery. It is time to replace the batteries in your carbon monoxide alarm. 5 Beeps Every Minute: End of Life.
What does 5 beeps on a carbon monoxide detector mean?
End of Life
1 Beep Every Minute: Low Battery. It is time to replace the batteries in your carbon monoxide alarm. 5 Beeps Every Minute: End of Life. This chirp means it is time to replace your carbon monoxide alarm.
Do carbon monoxide alarms go out of date?
Most carbon monoxide alarms expire after 10 years. Smoke detectors and carbon monoxide alarms that are not wired into the mains will also need their batteries replaced on a periodic basis, and even mains powered alarms will need their back up batteries to be replaced.
Does carbon monoxide detectors expire?
Although you replace your batteries, carbon monoxide alarms don’t last forever. They have a lifetime of anywhere between 5 to 7 years, but it is important to check the specific product for lifetime.
