Welcome to the First Alert Smoke and Carbon Monoxide Alarm manual. This guide provides essential information to ensure proper installation, operation, and maintenance of your device for optimal safety and performance.

Features of the First Alert Smoke and CO Alarm
The First Alert Smoke and CO Alarm offers a combination of smoke and carbon monoxide detection, voice and location alerts, and remote test/silence functionality for enhanced safety.
2.1 Combination Smoke & Carbon Monoxide Detection
The First Alert Smoke and CO Alarm features dual sensors to detect both smoke and carbon monoxide in one unit. This combination provides comprehensive protection by monitoring for two deadly threats in the home. The smoke detection utilizes advanced technology to identify particles from fires, while the CO sensor alerts you to dangerous levels of carbon monoxide. This dual functionality ensures early warning for both types of hazards, offering peace of mind and enhanced safety for your family. The alarm is designed to meet regulatory standards, ensuring reliable performance in detecting both smoke and CO dangers.
2.2 Voice and Location Features
The First Alert Smoke and CO Alarm includes innovative voice and location features to enhance safety. The voice alert clearly identifies the type of hazard, whether it’s smoke or carbon monoxide, and specifies the room where the threat was detected. This feature helps you respond quickly and effectively in an emergency. Additionally, the programmable location feature allows you to customize the alarm’s voice messages to indicate specific areas of your home, such as “Kitchen” or “Basement.” These advanced features provide clear communication, reducing confusion and ensuring prompt action to protect your family and property.
2.3 Remote Control Test/Silence Functionality
The First Alert Smoke and CO Alarm offers a convenient remote control feature for testing and silencing the device. This functionality allows you to test the alarm’s operation from a distance, ensuring it is working correctly without needing to physically access the unit. Additionally, the remote control can silence the alarm during non-emergency situations, such as cooking fumes triggering a false alarm. This feature enhances user convenience while maintaining the device’s reliability and effectiveness in providing critical safety alerts. Regular testing is recommended to ensure the alarm remains fully functional and ready to respond to potential threats.
Understanding Your Alarm
Your First Alert Smoke and Carbon Monoxide Alarm is designed to detect both smoke and CO, providing early warnings for your safety. It features voice alerts, remote control functionality, and LED indicators to signal alerts or errors, ensuring you stay informed and protected in emergencies.
3.1 Components Overview
Your First Alert Smoke and Carbon Monoxide Alarm includes a test/silence button, LED indicators, and a mounting bracket. The alarm features a voice alert system to identify the type of hazard and its location. It also includes a remote control for testing and silencing functionality. The LED indicators provide visual feedback, such as flashing red for smoke detection and steady green for normal operation. The mounting bracket allows easy installation on walls or ceilings. These components work together to ensure reliable detection and clear communication of potential dangers in your home.
3.2 LED Indicators and Their Meanings
The First Alert Smoke and Carbon Monoxide Alarm features LED indicators to provide clear status updates. A steady green LED indicates normal operation, while a flashing green signals the alarm is functioning correctly during its weekly test. A flashing red LED accompanied by an alarm sound indicates smoke detection, while a steady red with a beeping tone signals a carbon monoxide alert. These visual cues ensure you can quickly identify the type of hazard and take appropriate action, enhancing your home’s safety and your peace of mind.
Installation Guide
Install the First Alert Smoke and Carbon Monoxide Alarm on every floor and in sleeping areas. Mount on ceiling or wall, ensuring level placement for accurate detection.
4.1 Where to Install the Alarm
Install the First Alert Smoke and Carbon Monoxide Alarm on every floor of your home, including basements and attics. Place one in each sleeping area and hallway outside bedrooms. Ensure the alarm is at least 10 feet away from cooking appliances to avoid false alarms. Avoid installing near bathrooms, garages, or drafty areas. Mount the alarm on a ceiling or wall, 4-12 inches from the ceiling, and ensure level placement for accurate detection. Follow local regulations and the National Fire Protection Association (NFPA) recommendations for optimal coverage.
4.2 Where Not to Install the Alarm
Install the First Alert Smoke and Carbon Monoxide Alarm on every floor of your home, including basements and attics. Place one in each sleeping area and hallway outside bedrooms. Ensure the alarm is at least 10 feet away from cooking appliances to avoid false alarms. Avoid installing near bathrooms, garages, or drafty areas. Mount the alarm on a ceiling or wall, 4-12 inches from the ceiling, and ensure level placement for accurate detection. Follow local regulations and the National Fire Protection Association (NFPA) recommendations for optimal coverage.
4.3 Step-by-Step Installation Instructions
Choose a location on a ceiling or wall, 4-12 inches from the ceiling, avoiding drafty areas. 2. Align the mounting bracket with the screws or nails provided. 3. Secure the bracket firmly to the wall or ceiling. 4. Snap the alarm onto the bracket until it clicks. 5. Insert the batteries (if applicable) and ensure they are properly seated. 6. Test the alarm by pressing and holding the test button until it sounds. 7. If using a remote control, program the alarm according to the manual. 8. Ensure the alarm is level and securely fastened. Refer to the manual for specific model instructions.

Maintenance and Testing
Regularly test the alarm weekly, clean the sensor monthly, and replace batteries annually or when the low-battery signal sounds. Ensure proper function and replace the unit every 10 years.
5.1 Weekly Testing Procedures
To ensure your First Alert Smoke and Carbon Monoxide Alarm is functioning properly, perform weekly tests. Press and hold the test button until the alarm sounds. This verifies the sensor, horn, and power are working. If the alarm does not sound, it may indicate a malfunction, and the unit should be replaced immediately. Additionally, use the remote control test feature if available to activate the alarm from a distance. Regular testing ensures early detection of potential issues, providing reliable protection for your home and family. Clean the alarm monthly to maintain accuracy and sensitivity.
5.2 Regular Maintenance Tips
Regular maintenance is crucial for ensuring your First Alert Smoke and Carbon Monoxide Alarm operates effectively. Clean the alarm monthly by gently vacuuming the exterior to remove dust and debris. Check the expiration date on the unit and replace it as recommended (typically every 10 years). Ensure the alarm is securely installed and free from obstructions. Replace batteries annually or as indicated by low-battery warnings. Avoid painting or modifying the alarm, as this can impair its performance. Keep the area around the alarm clean to prevent false alarms and maintain sensitivity. Proper upkeep ensures reliable protection for your home and family.
5.3 Battery Replacement Guidelines
Replace the batteries in your First Alert Smoke and Carbon Monoxide Alarm annually or when a low-battery warning sounds. Use two fresh AA batteries for optimal performance. Open the battery compartment located on the back of the unit, remove the old batteries, and insert the new ones, ensuring correct polarity. After replacing, test the alarm by pressing the test button to confirm it’s functioning properly. Never ignore low-battery warnings, as this could leave your home unprotected. If the alarm is hardwired, ensure the backup battery is also replaced. Proper battery maintenance ensures continuous monitoring and safety for your household.

What to Do When the Alarm Sounds
If the Smoke Alarm sounds, evacuate immediately and call the fire department. For a CO Alarm, open windows, leave the premises, and seek medical help if symptoms occur.
6.1 Identifying the Type of Alarm
Your First Alert Smoke and Carbon Monoxide Alarm provides distinct alerts for smoke and CO detection. The alarm will sound differently and may announce “Smoke” or “Carbon Monoxide” to indicate the type of threat. For smoke detection, the alarm will emit a loud, continuous beep. For CO detection, it will emit a series of high-pitched beeps. Refer to the LED indicators: a red light flashes for smoke, while a yellow light flashes for CO. Always check the alarm’s voice announcements and LED patterns to quickly identify the type of emergency and respond accordingly.
6.2 Responding to a CO Alarm
If the Carbon Monoxide (CO) Alarm sounds, do not ignore it. Open windows for ventilation and immediately evacuate all occupants from the premises. Do not re-enter the building until authorities or a qualified technician confirm it is safe. CO is odorless, colorless, and deadly, so prompt action is crucial. If anyone experiences symptoms like headache, dizziness, or nausea, seek medical attention immediately. Contact emergency services or a gas technician to identify and resolve the source of CO. Your safety depends on swift and appropriate action when the CO alarm sounds.
6.3 Responding to a Smoke Alarm
If the Smoke Alarm sounds, act immediately to ensure safety. Evacuate all household members and stay low to avoid inhaling smoke. Do not re-enter the building for any reason until authorities confirm it is safe. Call 911 or your local emergency number from a safe location. If the alarm is caused by cooking or an accidental trigger, do not disable the alarm—instead, ventilate the area and press the silence button if available. Never ignore a smoke alarm, as it indicates a potential fire hazard. Your prompt response can save lives and prevent further damage.
Using Silence Features
The silence feature temporarily quiets the alarm during non-emergency situations, such as cooking fumes. Press and hold the test/silence button to activate. Note: This does not address the underlying issue; investigate and clear the area after silencing. Always test the alarm weekly to ensure proper function.
7.1 When to Use the Silence Feature
The silence feature is designed for temporary use during non-emergency situations, such as false alarms caused by cooking fumes or steam. It should not be used in response to actual fires or dangerous carbon monoxide levels. Activate the silence feature by pressing and holding the test/silence button. Note that this function does not address the underlying cause of the alarm. Always investigate and resolve the issue after silencing. Never ignore repeated alarms, as they indicate a potential threat. The silence feature is intended for convenience, not as a solution to legitimate hazards.
7.2 How to Silence the Alarm
To silence the First Alert Smoke and Carbon Monoxide Alarm, press and hold the Test/Silence button until the alarm stops. For models with remote control functionality, you can also use the remote to silence the alarm. The alarm will flash and chirp once to confirm it has been silenced. Note that silencing does not address the cause of the alarm; investigate and resolve the issue promptly. The silence feature is temporary and will not prevent future alerts for the same or recurring conditions. Always ensure the alarm resumes monitoring after silencing.

Troubleshooting Guide
Identify common issues like chirping (low battery) or false alarms (dust/steam). Check for obstructions, test functionality weekly, and reset if necessary. Refer to the manual for detailed solutions.
8.1 Common Issues and Solutions
Common issues with your First Alert Smoke and Carbon Monoxide Alarm may include chirping (low battery), false alarms (caused by dust or steam), or unresponsive remote controls. To resolve these, replace batteries, clean the alarm with a vacuum, or check for obstructions. If the alarm fails to test correctly, replace it immediately. For persistent issues, reset the alarm by pressing and holding the test button. Always ensure proper installation and avoid placing alarms near cooking areas or bathrooms to minimize false triggers. Refer to the manual for detailed troubleshooting steps.
8.2 Resetting the Alarm
To reset your First Alert Smoke and Carbon Monoxide Alarm, press and hold the test button until the alarm stops. This action clears any error conditions or previous alarms. If the alarm is hardwired, you may need to disconnect and reconnect it from power. After resetting, ensure the alarm is functioning correctly by performing a test. Resetting should only be done after addressing the cause of the alarm, such as investigating for smoke or CO sources. Regular testing ensures the alarm remains operational and provides reliable protection for your home.

Regulatory Information
The First Alert Smoke and Carbon Monoxide Alarm complies with UL 217 and UL 2034 standards, ensuring reliable detection and meeting regulatory requirements for residential use.
9.1 Regulatory Requirements for CO Alarms
The First Alert Smoke and Carbon Monoxide Alarm meets UL 2034 standards for carbon monoxide detectors. CO alarms must be installed on every level of your home and outside sleeping areas. They should not be placed near fuel-burning appliances or in areas with high humidity. The alarm must be certified to detect CO levels as low as 30 ppm. It is not a substitute for smoke alarms. Always follow local regulations and manufacturer guidelines for installation and maintenance to ensure compliance and safety. Proper placement and testing are critical for reliable performance.
9.2 Regulatory Requirements for Smoke Alarms
The First Alert Smoke Alarm complies with UL 217 standards, ensuring reliable detection of smoke particles. Smoke alarms must be installed on every level of your home, inside each bedroom, and outside sleeping areas. They should be interconnected for maximum safety. Avoid installing near cooking areas or bathrooms to reduce false alarms. Replace alarms every 10 years or as specified. Follow local fire codes and NFPA recommendations for placement and maintenance. Regular testing and maintenance are crucial to ensure proper function and compliance with safety regulations. Always adhere to manufacturer guidelines for optimal protection.

Fire Safety Tips
- Prevent fires by storing flammable materials safely.
- Keep matches and lighters away from children.
- Avoid overloading electrical circuits.
- Ensure heaters and open flames are away from flammable items.
10.1 Preventing Fires in the Home
To prevent fires, ensure proper storage of flammable materials, keep matches and lighters out of children’s reach, and avoid overloading electrical circuits. Regularly inspect heating appliances and chimneys to ensure they are free from debris. Never leave cooking unattended, especially on stovetops, and keep portable heaters away from flammable items like curtains or bedding. Additionally, maintain electrical appliances in good condition and avoid using damaged cords or plugs. Keep emergency exits clear and ensure all family members know the escape plan. Preventing fires is a collective effort that starts with awareness and responsible habits.
10.2 Creating an Escape Plan
Developing a fire escape plan is crucial for ensuring safety. Identify at least two escape routes from each room and designate a meeting spot outside the home. Practice the plan with all household members, including children and the elderly, to ensure everyone understands the routes. Stay low while escaping to avoid smoke inhalation, and never re-enter a burning building. Consider purchasing fire escape ladders for upper-floor windows. Test your smoke and CO alarms weekly to ensure they are functioning properly. A well-prepared escape plan can save lives in the event of an emergency.

Basic Safety Information
Understand fire hazards and recognize CO poisoning symptoms. Ensure all household members know the risks and proper responses. Test alarms weekly for reliability and safety.
11.1 Understanding Fire Hazards
Fires produce smoke particles of varying sizes, which your First Alert Smoke Alarm detects. Ionization alarms are more sensitive to small particles from flaming fires, like paper or grease fires, while photoelectric alarms detect larger particles from smoldering fires, such as burning cigarettes. Understanding these differences helps you choose the right alarm for your home. Always test your alarms weekly to ensure they function properly. Properly functioning alarms are crucial for early detection and response to fires, helping to protect you and your family from potential danger.
11.2 Recognizing CO Poisoning Symptoms
Carbon monoxide poisoning can cause flu-like symptoms, including headache, dizziness, nausea, and fatigue. Severe exposure may lead to confusion, rapid heartbeat, or loss of consciousness. Symptoms can appear suddenly or develop over time, especially in high concentrations. If you or others experience these symptoms, evacuate the area immediately, open windows for fresh air, and call emergency services. Prolonged exposure can be fatal. Individuals with pre-existing medical conditions may be more sensitive to CO effects. Always monitor your health and respond promptly to alarm signals to prevent serious harm.
Limitations of Smoke/CO Alarms
Smoke/CO alarms have detection limitations. They cannot detect all fire types or CO sources. Proper installation and maintenance are crucial for reliable performance.
12.1 Understanding Detection Limitations
Smoke/CO alarms detect particles of combustion and carbon monoxide gas but may not identify all fire types or CO sources. Ionization alarms are more sensitive to small particles from flaming fires, while photoelectric alarms detect larger particles from smoldering fires. CO alarms only detect carbon monoxide gas at the sensor location. Proper installation, maintenance, and understanding of these limitations ensure reliable performance. Regular testing and adherence to safety guidelines are essential for optimal protection. These alarms are not substitutes for proper safety practices and should be part of a comprehensive safety plan.
12.2 Conditions Affecting Performance
Certain conditions can impact the effectiveness of your Smoke/CO alarm. Dust, humidity, and temperature extremes may reduce sensitivity. Electrical interference or improper installation can also affect performance. Additionally, the alarm may not detect fires or CO in remote areas of the home. It is not designed for marine or RV use. Regular maintenance, such as cleaning and testing, ensures optimal functionality. Understanding these factors helps maximize the alarm’s ability to detect threats and provide early warnings. Always follow the manufacturer’s guidelines for installation and care to maintain reliability and safety.
Warranty Information
Your First Alert Smoke and Carbon Monoxide Alarm is covered by a limited warranty from BRK Brands, Inc. The warranty covers manufacturing defects for a specified period, ensuring reliable protection for your home. For details, visit www.firstalert.com or contact Consumer Affairs at (800) 323-9005.
13.1 Warranty Coverage Details
Your First Alert Smoke and Carbon Monoxide Alarm is backed by a limited warranty from BRK Brands, Inc. This warranty covers manufacturing defects in material and workmanship for a specified period. For detailed warranty terms, visit the First Alert website or contact Consumer Affairs at (800) 323-9005. Proper registration and adherence to maintenance guidelines are essential to ensure warranty validity. Refer to the manual for full warranty conditions and exclusions.
13.2 Registering Your Product
Registering your First Alert Smoke and Carbon Monoxide Alarm is a simple process that ensures you receive important updates, warranty notifications, and customer support. To register, visit the First Alert website and complete the online registration form with your product details. You can also register by contacting Consumer Affairs at (800) 323-9005. Registration helps verify your product’s authenticity and ensures you benefit from the full warranty coverage. Keep your proof of purchase and registration confirmation for future reference;
Additional Resources
For further assistance, visit www.firstalert.com or contact Customer Support at (800) 323-9005. Online manuals and guides are also available for download.
14.1 Customer Support Contact Information
For any questions or concerns regarding your First Alert Smoke and Carbon Monoxide Alarm, contact our dedicated customer support team. You can reach us toll-free at (800) 323-9005. Additionally, visit our official website at www.firstalert.com for comprehensive support resources, including FAQs, troubleshooting guides, and downloadable manuals. Our team is committed to assisting you with installation, maintenance, or any other inquiries to ensure your safety and satisfaction.
14.2 Online Manuals and Guides
Access comprehensive online resources for your First Alert Smoke and Carbon Monoxide Alarm by visiting our official website at www.firstalert.com. Downloadable PDF manuals, such as the SCO7 and CO606 models, are available for detailed instructions. Additionally, platforms like ManualsLib offer free access to user manuals, ensuring you have all the information needed for installation, maintenance, and troubleshooting. These guides provide step-by-step instructions and safety tips to help you maximize your alarm’s performance and ensure your home’s protection.