Why does the CO detector continue to emit short beeps every 40 seconds, even after airing?This beep is an end of life signal. CO sensors of most detectors have a lifetime of between 5 and 7 years. They become saturated over time and must be replaced. |  |
The CO detector gives short beepsIf you hear short beeps from a CO detector that is less than 5 years old, this indicates that the detector is defective. Replace the CO Alarm as soon as possible. |
This solution is suitable for Model RM337.
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