What does 3 beeps mean on a carbon monoxide detector?
Three beeps, at 15-minute intervals = MALFUNCTION. The unit is malfunctioning. ... Five beeps, at 15-minute intervals = END OF ...
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Tag: my carbon monoxide alarm keeps chirping
What does 4 beeps mean on a carbon monoxide detector?
4 Beeps and a Pause: EMERGENCY. This means that carbon monoxide has been detected in the area, you should move ...