What does 5 beeps mean on a First Alert carbon monoxide detector?

Asked by: Alberto Kohler  |  Last update: October 10, 2022
Score: 4.8/5 (16 votes)

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.

What does 5 chirps mean on First Alert?

5 chirps (about 1x per minute): End-of-life (EOL) chirp

Use the Test/Silence button to hush the warning. After about 2 days, the warning will resume. After ~2-3 weeks, the warning cannot be silenced. Replace with a new alarm as soon as possible.

What does it mean when First Alert carbon monoxide detector beeps?

1 beep every minute: This means that the detector 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 3 beeps mean on a First Alert carbon monoxide detector?

2. Three beeps, at 15-minute intervals = MALFUNCTION. The unit is malfunctioning. Contact the manufacturer or the retailer where you purchased the alarm.

How do I know if my First Alert carbon monoxide alarm is working?

You can test this CO Alarm by pressing the Test button on the Alarm cover until alarm chirps. The alarm horn will sound: 4 beeps, a pause, then 4 beeps. The alarm sequence should last 5-6 seconds. If the unit does not alarm, make sure it has been activated correctly, and test again.

Five Beeps On FIRST ALERT Smoke, Fire, Carbon Monoxide Detectors

42 related questions found

What does a carbon monoxide detector sound like when it detects carbon monoxide?

Smoke alarms alert you with three beeps in a row. Carbon monoxide alarms alert you with four beeps. A single chirp means the battery is low or the detector should be replaced.

What level of carbon monoxide sets off an alarm?

The CO alarm sounds if your sensor detects a buildup of carbon monoxide in your home—usually before you start sensing symptoms. With a low CO level (50 ppm), it may take up to eight hours for the alarm to go off. Higher carbon monoxide levels (over 150 ppm) can trigger an alarm within minutes.

What color should the light be on First Alert carbon monoxide detector?

On First Alert® carbon monoxide alarms, the red light flashes to show the Carbon Monoxide Alarm is properly receiving battery power. If you do not see the red light flashing, change the batteries in the alarm immediately.

How long does it take to get carbon monoxide poisoning?

If the carbon monoxide concentration in the air is much higher, signs of poisoning may occur within 1-2 hours. A very high carbon monoxide concentration can even kill an exposed individual within 5 minutes.

Why is my carbon monoxide alarm beeping 4 times?

If your detector is low on battery, you will likely hear a short chirp every minute. To warn of dangerous CO levels, most detectors will beep 4 or 5 times in a row about every 4 seconds.

How can you tell if there is carbon monoxide in your house?

A carbon monoxide detector is a must for any home and just as important as a smoke detector. CO detectors should be placed near all bedrooms; they're the only way you will know if carbon monoxide is affecting the air quality in your home, and can help prevent serious illness and even death.

Will a carbon monoxide detector detect a gas leak?

Will a carbon monoxide detector detect a gas leak? Technically speaking, a carbon monoxide detector is not designed to detect the presence of gas. Instead, these devices alert for elevated levels of carbon monoxide in the air that could be the result of toxic gases or air quality issues.

What causes carbon monoxide detector to go off?

Any fuel-burning appliance that is malfunctioning or improperly installed. Furnaces, gas range/stove, gas clothes dryer, water heater, portable fuel-burning space heaters, fireplaces, generators and wood burning stoves. Vehicles, generators and other combustion engines running in an attached garage.

How do I reset my First Alert carbon monoxide alarm?

How to Reset a First Alert Carbon Monoxide Detector
  1. Look at your detector. ...
  2. Press "peak level" and "test" at the same time if your detector is the LCD display type, and keep these buttons held down until it beeps and the LCD shows "000." It is now reset.

How do I stop my carbon monoxide alarm from beeping in the end of life?

Your detector may be reaching its end-of-life cycle, and may need to be replaced. Many carbon monoxide and smoke detectors come with a “Hush” feature, which will stop the beeping for 72 hours. To silence the beeping, press and hold the “Hush” or “Test” button.

What are two warning signs of carbon monoxide poisoning?

Symptoms of carbon monoxide poisoning include:
  • headache.
  • dizziness.
  • feeling sick or being sick.
  • feeling weak.
  • confusion.
  • chest and muscle pain.
  • shortness of breath.

Can you be slowly poisoned by carbon monoxide?

Carbon monoxide (CO) poisoning can become deadly in a matter of minutes. If you suspect CO poisoning, leave your home or building immediately and call 911 or go to the emergency room. If treated quickly, the effects of CO poisoning can be reversed.

Can opening a window stop carbon monoxide poisoning?

Opening a window will slow carbon monoxide poisoning, but it likely won't stop it. There simply isn't enough airflow through most windows to get rid of the poisonous gas, and it could take between four and eight hours for the CO to dissipate entirely.

What does the green light on my carbon monoxide detector mean?

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.

Why did my fire alarm randomly go off in the middle of the night?

This battery characteristic can cause a smoke alarm to enter the low battery chirp mode when air temperatures drop. Most homes are the coolest between 2 a.m. and 6 a.m. That's why the alarm may sound a low-battery chirp in the middle of the night, and then stop when the home warms up a few degrees.

What number should your carbon monoxide detector read?

Low level: 50 PPM and less. Mid level: Between 51 PPM and 100 PPM. High level: Greater than 101 PPM if no one is experiencing symptoms. Dangerous level: Greater than 101 PPM if someone is experiencing symptoms.

What leaks carbon monoxide in a house?

Clothes dryers. Water heaters. Furnaces or boilers. Fireplaces, both gas and wood burning.

How much carbon monoxide is fatal?

At sustained CO concentrations above 150 to 200 ppm, disorientation, unconsciousness, and death are possible.

What is the most common cause of carbon monoxide poisoning?

The most common source of CO poisoning is unvented space heaters in the home. An unvented space heater uses combustible fuel and indoor air for the heating process. It vents the gases it makes into the room, instead of outdoors.

What smells like a gas leak but isn t?

Sulfur is often the cause of a gas smell in homes without gas leaks. It smells identical to the foul rotten odor of gas leaks, but it's not nearly as harmful in this case. Bacteria found in sewage systems or your kitchen sink release sulfur over time, causing the smell to permeate your home.