Important Information: Smoke detector manufacturers recommend replacing smoke detectors at least every 10 years. Research shows detectors fail after 10 years, 50% after 15 years! Why is the green light flashing on my carbon monoxide detector?In others, a steady or blinking green light on a carbon monoxide detector can mean it's detected a** low-level presence of carbon monoxide**. If the presence increased, it would cause the alarm to sound. It could also mean it's time to replace the battery, especially if it's also chirping. Should green light be on in a Kidde carbon monoxide detector?Hardwired units will have a steady green LED light to show that it's receiving AC power. Battery-operated units will have a quick flash every 30-45 seconds. This does not necessarily mean the alarm is working. What do the lights mean on a Kidde smoke detector?The unit shall incorporate red and green LED indicators. The green LED (when illuminated) indicates the presence of AC power. The red LED (located under the TEST/Hush button) has four modes of operation: Standby Condition: The red LED will flash every 40 seconds to indicate that the smoke alarm is operating properly. Why is the blue light flashing on my carbon monoxide detector?BLUE/CO: Blue light flashes rapidly when sensor detects elevated CO levels. Why is the green light flashing on my carbon monoxide detector?In others, a steady or blinking green light on a carbon monoxide detector can mean it's detected a** low-level presence of carbon monoxide**. If the presence increased, it would cause the alarm to sound. It could also mean it's time to replace the battery, especially if it's also chirping.
Should green light be on in a Kidde carbon monoxide detector?Hardwired units will have a steady green LED light to show that it's receiving AC power. Battery-operated units will have a quick flash every 30-45 seconds. This does not necessarily mean the alarm is working.
Is a carbon monoxide detector supposed to flash?When the CO Alarm detects abnormal levels of CO (above 50ppm CO) the red light starts to flash immediately and the horn will sound within 90 minutes. At higher levels of CO the alarm will turn on sooner (see table B - page 8).
How do you know if your Kidde carbon monoxide alarm is working?Test the carbon monoxide alarm once a week by pressing the test/reset button. Every month, unplug the unit and vacuum with a soft-brush attachment or wipe with a clean, dry cloth to remove accumulated dust.
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