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- posted
10 years ago
what are the red and green lights on a smoke detector
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- posted
6 years ago
Red is for when the alarm is actively sounding and detecting smoke and/or extremely high temperatures, it should not be lit otherwise.
- Green is for everything's working fine with the detector, these can be a steady or blinking green.
- Some units have the green change to yellow or orange if a problem with the detector is registered, dusty, low battery or actual malfunction.