first alert smoke carbon monoxide detector manual
First Alert Smoke & Carbon Monoxide Detector Manual: A Comprehensive Plan
This manual details crucial safety information for First Alert combination alarms, emphasizing CO detection and fire preparedness, including escape planning and extinguisher use.
Regular testing and maintenance are vital, alongside understanding alarm signals and troubleshooting potential issues for optimal protection.
First Alert has been a leading innovator in home safety for decades, dedicated to protecting lives through reliable smoke and carbon monoxide detection. Their detectors are engineered with advanced technology, offering peace of mind to families nationwide.
Combination alarms represent a significant advancement, providing dual protection against both fire hazards and the silent threat of carbon monoxide. These devices are designed for ease of use and installation, ensuring comprehensive safety coverage throughout your home.

Understanding the specific features of your First Alert detector, as outlined in this manual, is paramount to maximizing its effectiveness. Proper installation, regular testing, and diligent maintenance are key components of a robust home safety strategy.
Understanding Combination Alarms
Combination smoke and carbon monoxide (CO) alarms offer a streamlined safety solution, consolidating two essential detection functions into a single device. This eliminates the need for separate units, simplifying installation and maintenance while providing comprehensive protection.
These alarms utilize distinct sensors for smoke and CO, ensuring accurate and reliable detection of each hazard. When CO is detected, the alarm emits a different sound pattern than for smoke, allowing for quick identification of the threat.
Interconnected models enhance safety further, as all alarms sound simultaneously when one detects a hazard, alerting occupants throughout the home, even if the danger originates in a remote location.
Importance of Smoke and CO Detection
Early detection of smoke and carbon monoxide (CO) is critical for saving lives. Fires spread rapidly, and smoke inhalation is a major cause of fire-related fatalities. Working smoke alarms provide vital early warning, allowing occupants time to escape.
CO is a colorless, odorless, and poisonous gas produced by incomplete combustion. It can quickly incapacitate and kill. CO alarms are essential, especially near fuel-burning appliances like furnaces, stoves, and fireplaces.
Regularly testing alarms and maintaining functional batteries are paramount. A non-working alarm offers no protection. Having fire extinguishers and a practiced escape plan further enhances safety, minimizing risk during emergencies.

Key Features of First Alert Detectors
First Alert detectors boast dual sensor technology, interconnected alarm capabilities, and options for battery or hardwired power, ensuring comprehensive safety and responsiveness.
Dual Sensor Technology
First Alert’s advanced detectors utilize dual sensor technology, combining both photoelectric and ionization sensors for comprehensive fire detection. Photoelectric sensors excel at detecting smoldering fires, common in situations like overheated bedding or electrical malfunctions, while ionization sensors are more responsive to fast-flaming fires with visible flames.
This dual approach minimizes false alarms and maximizes the ability to detect a wide range of fire types. By incorporating both technologies, these detectors offer a more robust and reliable level of protection compared to single-sensor alarms. This ensures quicker alerts, providing crucial time for safe evacuation and potentially minimizing property damage. The combination provides a broader spectrum of fire detection capabilities.
Interconnected Alarm Capabilities
First Alert detectors offer interconnected alarm capabilities, significantly enhancing home safety. When one alarm detects smoke or carbon monoxide, all interconnected alarms sound simultaneously, alerting everyone throughout the house, even if the hazard originates far from their location.
This feature is particularly crucial for larger homes or those with multiple levels. Interconnection can be achieved wirelessly or through hardwiring. Testing interconnected alarms requires specific procedures – testing one unit triggers a loud, repeating horn pattern from all connected devices, confirming system functionality. This ensures comprehensive awareness and facilitates a quicker, more coordinated evacuation in emergency situations, maximizing safety for all occupants.
Battery-Operated vs. Hardwired Options
First Alert offers both battery-operated and hardwired smoke and carbon monoxide detectors, each with distinct advantages. Battery-operated models provide flexibility in placement, requiring no existing wiring, making them ideal for renovations or locations where wiring is impractical.
However, they rely on regular battery checks and replacements. Hardwired detectors, connected to the home’s electrical system, offer continuous power and often include battery backup for power outages. They typically interconnect more reliably. Choosing between the two depends on individual needs and home infrastructure; both types are vital for comprehensive fire and CO safety.

Installation Guide
Proper placement is key for effective detection. This section details optimal locations for smoke and CO alarms, mounting procedures, and avoiding false alarm triggers.
Recommended Placement for Smoke Detectors
Strategic placement significantly enhances smoke detector effectiveness. Install on every level of your home, inside each bedroom, and outside sleeping areas. Mount them on ceilings or high on walls, as smoke rises. Avoid corners where airflow might be restricted, potentially delaying detection.
Kitchen placement requires caution; install at least 10 feet from cooking appliances to minimize false alarms caused by normal cooking fumes. Hallways should also have detectors, ensuring coverage throughout living spaces. Consider interconnected alarms for whole-house notification. Regularly inspect placement to ensure nothing obstructs the detector’s sensors, maintaining optimal responsiveness for life safety.
Optimal Placement for Carbon Monoxide Detectors
Carbon monoxide (CO) detectors require careful placement for maximum protection. Install one on each level of your home, and crucially, outside sleeping areas. CO is slightly lighter than air and can disperse throughout a space, making central locations ideal.
Avoid placing detectors immediately near fuel-burning appliances (furnaces, water heaters) as brief CO spikes during startup can cause false alarms. Do not install in garages or excessively humid areas. Follow manufacturer guidelines for specific model recommendations. Ensure detectors aren’t obstructed by furniture or curtains. Prioritize locations where you and your family spend significant time, enhancing safety.
Mounting Instructions
Before mounting, ensure the chosen location meets placement guidelines. Use the provided mounting bracket as a template, marking screw holes on the ceiling or wall. Drill pilot holes if necessary, utilizing appropriate anchors for your wall type. Securely attach the bracket with the supplied screws.
Align the detector with the bracket and twist clockwise to lock it into place. Verify a snug fit to prevent accidental dislodgement; For hardwired models, disconnect power before installation and follow electrical safety protocols. Always consult a qualified electrician if unsure. Confirm the detector is firmly mounted and will not fall.
Avoiding False Alarm Locations
To minimize false alarms, avoid installing detectors near kitchens, bathrooms, or garages where combustion fumes or steam are common. Keep detectors at least 10 feet away from cooking appliances and humidity sources. Do not place them near air vents, windows, or doors that could introduce drafts.
Avoid areas with dust, insects, or corrosive fumes. Ensure detectors aren’t directly exposed to sunlight or extreme temperatures. Regular cleaning helps prevent false triggers. Improper placement significantly increases the likelihood of nuisance alarms, diminishing the system’s reliability.

Testing Your Detector
Regular testing—monthly is recommended—ensures proper functionality. Press the test button to simulate smoke or CO, verifying the alarm’s sound and indicator lights are working.
Frequency of Testing
Consistent testing is paramount for reliable protection. First Alert recommends testing your smoke and carbon monoxide detector at least once a month. This routine check confirms the alarm’s electronic circuitry, horn, and indicator lights are operating correctly. Don’t assume your detector is functioning simply because the lights are on; a full test is essential.
Establish a testing schedule – perhaps the first of every month – to build a habit. If interconnected alarms are installed, testing one will trigger all connected units, verifying the entire system’s responsiveness. Remember, regular testing doesn’t prevent the need for battery replacement or overall maintenance, but it significantly increases your peace of mind and safety.
How to Perform a Test
Testing is simple and quick. Locate the “Test” button on your First Alert detector. Press and hold this button for several seconds – typically 5-10 seconds – until the alarm sounds. You should hear a loud, piercing beep, indicating the electronic circuitry is functioning. Observe the indicator lights; they should also illuminate during the test.
If the alarm doesn’t sound, or the lights don’t activate, immediately address the issue. Check the battery compartment, ensuring the batteries are fresh and correctly installed. If problems persist, consult the troubleshooting section of this manual or contact First Alert customer support. A failed test signifies a compromised safety system requiring immediate attention.
Interconnected Alarm Testing Procedures
When testing interconnected alarms, initiate the test from the primary detector. This will trigger all connected units to sound simultaneously, verifying the entire system’s functionality. Expect a loud, repeating horn pattern – four rapid beeps, a pause, then four more rapid beeps – accompanied by flashing strobe lights if equipped.
Confirm each detector responds to the test signal. If any unit fails to activate, investigate the connection and battery status of that specific alarm. Interconnectivity ensures comprehensive protection; a single failure compromises the whole network. Document test dates and results for a reliable safety record.

Alarm Signals and What They Mean
Distinct sound patterns differentiate smoke and CO alarms, with specific beeps and pauses indicating the hazard. A silence/test button offers control and verification.
Immediate action is crucial upon hearing any alarm signal, prioritizing safety and evacuation procedures.
Smoke Alarm Sound Pattern
The smoke alarm emits a loud, distinct, and continuous beeping sound when smoke is detected, designed to immediately alert occupants to a potential fire emergency. This is not a chirping sound, which indicates a low battery or alarm malfunction.
The pattern is unwavering and persistent, differing significantly from the CO alarm’s signal. It’s crucial to recognize this sound as a critical warning requiring immediate investigation and, if confirmed, evacuation of the premises.
If interconnected with other First Alert smoke alarms, all units will sound simultaneously, ensuring comprehensive notification throughout the home. Familiarize yourself with this sound during testing to ensure quick recognition in a real fire situation.
Prompt response to the smoke alarm sound is paramount for minimizing damage and ensuring the safety of all occupants.
Carbon Monoxide Alarm Sound Pattern
The carbon monoxide (CO) alarm utilizes a distinct pattern: four rapid beeps, followed by a pause, then repeated. This sequence differentiates it from the continuous tone of the smoke alarm, enabling quick identification of the hazard.
This pattern signifies the presence of dangerous, odorless, and colorless CO gas, a potentially lethal threat. Immediate action is required upon hearing this alarm – evacuate the premises and call emergency services.
If interconnected with other BRK or First Alert CO alarms, all units will activate simultaneously, providing widespread notification. The strobe light will flash approximately one flash per second for four flashes, then pause for three seconds, repeating the cycle.
Recognizing this specific sound pattern is vital for a swift and life-saving response to a CO emergency.
Low Battery Warning Signal
A distinct chirping sound, occurring intermittently, signals a low battery condition. This isn’t a fire or CO alarm, but a critical warning indicating the detector’s functionality is compromised. Immediate battery replacement is essential to maintain continuous protection.
The chirp will typically sound once every 30 seconds, escalating in frequency as the battery depletes further. Ignoring this signal leaves your home vulnerable to undetected hazards.
Use only the recommended battery type as specified in the detector’s specifications. Do not attempt to recharge disposable batteries. Replacing the battery promptly ensures the alarm remains operational and provides reliable early warning in case of emergency.
Regular battery checks are a crucial part of detector maintenance;
Alarm Silence/Test Button Functionality
The combined Alarm Silence/Test button serves two vital purposes. Pressing it briefly initiates a self-test, verifying the detector’s electronic circuitry, horn, and visual alarm (if equipped) are functioning correctly. Regular testing – monthly is recommended – ensures reliability.
During a nuisance alarm (e.g., from cooking smoke), pressing and holding the button temporarily silences the alarm. This silence is typically for a limited duration, around 7-10 minutes, allowing the air to clear.
The alarm will automatically reset and reactivate if the hazard persists. Never disable the alarm permanently; address the source of the alarm instead. Understanding this dual functionality is key to proper operation.
Always refer to the full manual for specific model instructions.

Maintenance and Troubleshooting
Consistent upkeep ensures reliable performance. This includes regular battery checks, cleaning to remove dust and debris, and addressing false alarm triggers promptly.
Effective troubleshooting can resolve common issues and maintain optimal safety.
Battery Replacement Procedures
Maintaining fresh batteries is paramount for continuous protection. First Alert detectors utilize standard batteries, typically AA or 9V, depending on the model. Always replace batteries immediately when the low-battery warning chirps – this isn’t a signal to ignore!
To replace, gently twist the detector counterclockwise to remove it from its mounting bracket. Locate the battery compartment, usually on the back or side. Remove the old battery and install a new one, ensuring correct polarity (+ and -).
Test the alarm immediately after battery replacement using the test button. If interconnected, testing one alarm should activate all connected units. Important: Dispose of used batteries responsibly, following local regulations.
Cleaning Your Detector
Regular cleaning ensures optimal performance and prevents false alarms. Dust, dirt, and insects can accumulate inside the detector, interfering with its sensors. To clean, gently vacuum the exterior of the detector using a soft brush attachment.
Do not use water, cleaning solutions, or detergents – these can damage the electronic components. Avoid disassembling the detector beyond removing the cover for vacuuming. A slightly damp cloth can be used to wipe the exterior casing, but ensure it’s completely dry before reattaching the cover.
Clean at least every six months, or more frequently in dusty environments. Important: Always test the alarm after cleaning to verify functionality.
Caution: Never spray anything into the sensor openings.
Troubleshooting Common Issues
If your detector chirps intermittently, it likely indicates a low battery – replace it immediately. For nuisance alarms, ensure proper placement, avoiding areas with steam or cooking fumes. If the alarm doesn’t respond during testing, first replace the battery.
If the problem persists, check the interconnection wiring (if applicable) and ensure all alarms are properly linked. A constantly sounding alarm requires immediate attention; evacuate and call emergency services if CO is suspected.
Remember: False alarms can occur due to dust or insects. Clean the detector as described in the maintenance section. If issues continue, consult the full manual or contact First Alert support.
Never disable the alarm to stop an annoyance.
Addressing False Alarms
False alarms are often caused by environmental factors like cooking steam, dust, or even high humidity. Ensure adequate ventilation when cooking and regularly clean the detector with a vacuum’s brush attachment. Avoid placing detectors near bathrooms or kitchens without considering potential steam or fumes.
If an alarm sounds without a clear source, ventilate the area and identify potential triggers. Pressing the silence/test button temporarily silences the alarm, but doesn’t resolve the underlying issue. Persistent false alarms indicate a need to relocate the detector or investigate the cause.
Remember: Ignoring alarms, even false ones, can create complacency. Always investigate and ensure your home is safe.
Never disconnect the detector to avoid false alarms.

Carbon Monoxide Safety
Carbon monoxide is a deadly, odorless gas produced by fuel-burning appliances. Immediate action is crucial if the CO alarm sounds – evacuate and call emergency services promptly.
Sources of Carbon Monoxide
Carbon monoxide (CO) is a byproduct of incomplete combustion, meaning it’s produced when fuels aren’t burned fully. Common household sources include malfunctioning furnaces, gas water heaters, and space heaters. Vehicles running in attached garages are a significant risk, as exhaust fumes contain high levels of CO.
Other potential sources include wood-burning stoves, fireplaces, and gas stoves – especially if not properly ventilated. Portable generators, when used indoors or near windows, can also release dangerous amounts of CO. Blocked chimneys or flues can cause a buildup, leading to CO poisoning. Regularly inspect and maintain all fuel-burning appliances to ensure safe operation and prevent CO leaks.
It’s crucial to never use a gas oven or range to heat your home, as this is a dangerous and inefficient practice. Ensure proper ventilation when using any fuel-burning appliance.
Symptoms of CO Poisoning
Carbon monoxide (CO) poisoning can be subtle and dangerous, often mimicking flu-like symptoms. Early symptoms include headache, fatigue, dizziness, nausea, and shortness of breath. These can easily be mistaken for other illnesses, delaying crucial action. As CO levels increase, symptoms worsen to include confusion, blurred vision, and loss of coordination.
Severe CO poisoning can lead to loss of consciousness, seizures, and ultimately, death; Infants, pregnant women, and people with pre-existing heart or respiratory conditions are particularly vulnerable. If anyone in your household experiences these symptoms, especially simultaneously, suspect CO poisoning immediately.
Do not ignore even mild symptoms; fresh air is vital. Seek medical attention promptly if CO poisoning is suspected.
What to Do If the CO Alarm Sounds
If your First Alert CO alarm sounds, treat it as a serious emergency. Immediately evacuate everyone – including pets – to fresh air. Do not attempt to identify the source of the CO while inside the building. Once safely outside, call 911 or your local emergency number from a neighbor’s house or a safe location.
Do not re-enter the premises until authorized by the fire department or qualified professionals. They will investigate the source of the CO and ensure it’s safe to return. Never ignore an alarm, even if symptoms are not immediately apparent.
Remember, CO is odorless and colorless, making detection reliant on working alarms.

Smoke Safety
Home fires often stem from cooking, heating, or electrical malfunctions. Having working smoke alarms, fire extinguishers, and a practiced escape plan is crucial for safety.
Causes of Home Fires
Understanding the origins of home fires is paramount for prevention. Cooking mishaps, particularly unattended stovetops, are a leading cause, often involving grease fires. Electrical malfunctions, stemming from faulty wiring, overloaded circuits, or damaged appliances, pose significant risks.
Heating equipment, like space heaters and fireplaces, can ignite nearby combustibles if not properly maintained or used cautiously. Smoking materials, especially carelessly discarded cigarettes, remain a persistent hazard. Additionally, intentional acts, such as arson, and accidental events like lightning strikes contribute to fire incidents.
Candles, if left unattended, can easily tip over and ignite surrounding materials. Children playing with fire, without adult supervision, also represent a potential source of ignition. Regular inspection and maintenance of electrical systems and heating appliances are vital preventative measures.
Fire Escape Planning
A well-rehearsed fire escape plan is crucial for survival. Begin by identifying two escape routes from every room, ensuring they are clear of obstructions. Designate a meeting point outside the home, a safe distance away, where everyone will gather.
Practice the plan at least twice a year, including nighttime drills to simulate actual fire conditions. Teach family members to feel doors for heat before opening them; if hot, use an alternate route.
Emphasize the importance of staying low to the ground to avoid smoke inhalation. If clothing catches fire, instruct everyone to “stop, drop, and roll.” Ensure everyone knows how to call emergency services from a safe location. Consider fire escape ladders for upper-level windows.
Importance of Fire Extinguishers
Having readily accessible fire extinguishers is a vital component of home fire safety. Keep at least one on every level of your home, with an additional one specifically in the kitchen – the most common location for cooking fires.
Ensure all household members know the location of extinguishers and how to operate them correctly using the PASS method: Pull the pin, Aim at the base of the fire, Squeeze the handle, and Sweep from side to side.
Regularly inspect extinguishers to ensure they are fully charged and in good working order. Remember, extinguishers are for small, contained fires; if a fire is large or spreading rapidly, evacuate immediately and call emergency services.

Detector Specifications
First Alert detectors feature model number identification for easy reference, alongside detailed warranty information and confirmation of regulatory compliance standards for safety assurance.
Model Number Identification
Locating your First Alert detector’s model number is essential for accessing specific documentation, warranty details, and support resources. The model number is typically found on the back or side of the alarm unit itself, often printed on a sticker or directly molded into the plastic casing.
Carefully examine the device, looking for a combination of letters and numbers – for example, CO400 or BRKSC710CV. This unique identifier distinguishes your specific model and its features.
Having this information readily available streamlines troubleshooting, ensures compatibility with replacement parts, and facilitates communication with First Alert customer service should you require assistance. Refer to the product packaging or the detector’s housing for the precise location of the model number.
Warranty Information
First Alert offers a limited warranty on its smoke and carbon monoxide detectors, protecting against defects in materials and workmanship. The warranty period typically begins from the date of purchase, and varies depending on the specific model.
To make a warranty claim, retain your proof of purchase (receipt or invoice) and contact First Alert customer support. The warranty generally covers repair or replacement of the defective unit, at First Alert’s discretion.
This warranty does not cover damage resulting from misuse, improper installation, battery leakage, or failure to follow the provided instructions. Refer to the warranty card included with your detector or visit the First Alert website for complete details and claim procedures.
Regulatory Compliance
First Alert smoke and carbon monoxide detectors are designed to meet stringent safety standards and comply with regulations set by recognized organizations. These include Underwriters Laboratories (UL) for smoke detection and performance, and certifications for carbon monoxide sensing accuracy.
Compliance ensures the detectors function reliably and provide accurate warnings in emergency situations. First Alert adheres to relevant building codes and industry standards regarding alarm placement and operation.
The detectors also meet FCC requirements for electromagnetic interference, minimizing potential disruptions. Detailed compliance information, including specific standard numbers, can be found on the product packaging and in the accompanying documentation.