First alert fire alarm red light

Improved UV Resistance: Keeps alarm from discoloring over time. Standards: UL 217, CSFM, NFPA 72, HUD, FHA. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5 x 2 x 5 in. Product Weight: .85 lbs. Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing ...

First alert fire alarm red light. Remove The Battery: First, you will be needing to take out the old batteries to reset both the smoke alarm and the red light. Take out the outer casing and find the battery tray, and then you will find a lever, pop the lever to open the battery tray. After that, remove the old battery from the smoke detector.

Install a Battery-Powered First Alert Alarm. Learn the step-by-step process for installing a battery powered alarm. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support. Hours of Operation: Mon - Fri (9am - 8pm CT) Sat - Sun (9am - 5:30pm CT) 1-833 ...

Latching Alarm Indication – Alarm Latch and Low Battery Latch. Certain Interconnect alarms have a Latching Alarm feature. The initiating unit “latches” to remember that it initiated the alarm and will continue blinking rapidly. The Latching Alarm feature will remain active until you press the test/silence button.Download this manual. Original version. USER'S MANUAL. SMOKE ALARMS. Battery Powered. Photo & Ion Smoke Alarm. Model SA320. with Silence. IMPORTANT! …Use Alexa. After you enable the Onelink Nightlight skill , you can ask an Alexa device (not included) to adjust brightness of the nightlight. Here are the prompts you can use. Alexa, turn on [room name]. Alexa, turn off [room name]. Alexa, set brightness of [room name] to [percentage]. Alexa, dim [room name] to [percentage].IF THIS SMOKE ALARM SOUNDS RESPONDING TO AN ALARM During an alarm, you will hear a loud, repeating horn pattern: 3 beeps, pause, 3 beeps, pause. The Red LED …alarms it will also provide hearing impaired individuals with a visual and audible warning of a carbon monoxide danger. Please take the time to read this manual and make this Smoke and Strobe Light Combo Alarm an integral part of your family’s safety plan. Key Features: Low Profile Design: Half the size of a standard alarm 177 Candela LED ...

What do First Alert smoke or CO alarms sound like? Number of Views 53.25K. About alarm life expectancy / expiration. Number of Views ... Proper placement for smoke alarms, CO alarms, and fire extinguishers; Remove an Alarm from the Ceiling or Wall; First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm …First Alert CO606A User Manual View and Read online. Est. reading time 21 minutes. ... POWER/ALARM Light (Red) (Behind Cover) Alarm Horn: 85 dB audible alarm for test, alarm, and unit malfunction warning. ... CO Alarms are not a substitute for a smoke alarm. Although fire is a source of carbon monoxide, this CO Alarm does not sense smoke or ...First Alert 7020BSL - Slim Line Smoke & Strobe Light Alarm Manual. PLEASE READ CAREFULLY AND SAVE. This user's manual contains important information about your Smoke Alarm's operation. If you are installing this Smoke Alarm for use by others, you must leave this manual— or a copy of it— with the end user.First Alert is a leading brand of fire safety products, including smoke alarms, carbon monoxide detectors, and combination alarms. Learn how to protect your home and family from fire and carbon monoxide hazards, and explore different models, features, and installation guides for each product category. First Alert also offers wireless and plug-in alarms, voice and location alerts, and tamper ...If this is not possible, install the smoke alarm at least 4 inches (102 mm) from the wall or corner. For wall mounting (if allowed by building codes), the top edge of smoke alarms should be placed between 4 inches (102 mm) and 12 inches (305 mm) from the wall/ceiling line, below typical "dead air" spaces.When there is a high carbon monoxide level, a CO alarm will beep four (4) times in a loud, repeating pattern and the “move to fresh air” light will blink along with the alarm. The phrase "move to fresh air" is printed on the cover of First Alert carbon monoxide alarms as a reminder to move everyone to a well-ventilated area with fresh air ...Improved UV Resistance: Keeps alarm from discoloring over time. Standards: UL 217, CSFM, NFPA 72, HUD, FHA. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5 x 2 x 5 in. Product Weight: .85 lbs. Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing ...A central station fire alarm system is an essential component of any commercial or residential building’s safety infrastructure. It provides round-the-clock monitoring and immediat...

This one’s pretty easy to decipher. Fire alarms are designed to get your attention by any means necessary. In an emergency, a flashing red light can be an added visual cue to alert you of a fire. If the red light is blinking and the smoke alarm sounds off, your detector probably senses smoke.A blinking red light on a First Alert Smoke Alarm typically signals that the device is functioning properly; nonetheless, it’s critical to adhere to specific cleaning and care practices to prevent false alarms. Dust and debris can easily interfere with the sensors, so a gentle vacuuming using a soft brush attachment or blowing compressed air ...A blinking red light on a First Alert Smoke Alarm typically signals that the device is functioning properly; nonetheless, it’s critical to adhere to specific cleaning and care practices to prevent false alarms. Dust and debris can easily interfere with the sensors, so a gentle vacuuming using a soft brush attachment or blowing compressed air ...First Alert smoke detectors are a crucial component of home safety, providing early warning in the event of a fire. However, homeowners may occasionally experience false alarms or ...Learn what to do if your smoke alarm is chirping even after you install new batteries. About our 10-Year Battery Alarms Learn about 10-year-battery alarms offered by First Alert and BRK.10-year sealed battery alarms eliminate the need for battery replacements and late-night low battery chirps for the life of the device. Hardwire Smoke Detectors. Most hardwire detectors include a hardwire adapter plug that eliminates the need to rewire, making installation easy. For protection during power outages, we offer a back-up battery ...

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The First Alert P1210E 10-Year Battery Photoelectric Smoke Alarm, Slim Profile with Escape Light helps protect your home by providing up to a decade of uninterrupted monitoring. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect smoke from slow-burning, smouldering fires.A two alarm fire is an industry term that refers to the amount of units dispatched to the scene of a fire. There is no universal determinate in what constitutes a two-alarm fire. R...Push and hold the Test/Silence button on the cover until you hear an acknowledge "chirp". The alarm horn will sound 4 beeps, a pause, then 4 beeps. The ALARM (RED) light will flash. The alarm sequence should last 5-6 seconds. If it does not alarm, make sure the battery is correctly installed, and test it again. TO MOUNT ON THE WALL. Tools you ...The First Alert PRC710 Slim Photoelectric Smoke and Carbon Monoxide Alarm with 10-Year Battery helps protect your home from two potentially deadly threats by providing up to a decade of uninterrupted monitoring. Equipped with dual sensors, this low-profile alarm detects smoke from slow-burning, smoldering fires.Dec 13, 2023 · After replacing the battery in your fire alarm, encountering a blinking red light might be perplexing. Several factors could contribute to this unexpected behavior, including: A. Improper Battery Installation: Incorrect Orientation: The battery might have been inserted incorrectly, leading to improper contact and triggering a fault signal.

Alarm is active: When smoke is detected, the alarm will sound and the light will flash rapidly to alert occupants of danger. Normal operation: On many models, the red light blinks every 30-60 seconds just to indicate the device is armed and working properly. So in most cases, a blinking red light does not necessarily mean there’s an emergency.alarms it will also provide hearing impaired individuals with a visual and audible warning of a carbon monoxide danger. Please take the time to read this manual and make this Smoke and Strobe Light Combo Alarm an integral part of your family’s safety plan. Key Features: Low Profile Design: Half the size of a standard alarm 177 Candela LED ...Fire alarms are an essential safety feature in any home or commercial building. They provide early detection of smoke and fire, allowing occupants to evacuate quickly and preventin...Having a smoke alarm in your home is crucial for keeping you and your loved ones safe from potential fire hazards. However, if your smoke alarm keeps chirping, it could be a sign t... AC and AC/DC units will have a power indicator light (red or green) that shines when they are receiving electrical power. If you have a 10-year model, the smoke alarm may not have been properly activated. If the tab broke away before the alarm was activated, you can use a toothpick to move the switch over to test the alarm. Are you an employee? Login here. LoadingFirst Alert residential fire alarm products offer a variety of features including: 10-year sealed battery-operated smoke detectors. Hardwired smoke detectors. Combination smoke and carbon monoxide alarms. According to the National Fire Protection Association (NFPA), fire alarms should be installed on every level of your home, including the ...Alarm is active: When smoke is detected, the alarm will sound and the light will flash rapidly to alert occupants of danger. Normal operation: On many models, the red light blinks every 30-60 seconds just to indicate the device is armed and working properly. So in most cases, a blinking red light does not necessarily mean there’s an emergency.This means that carbon monoxide has been detected in the area, you should move to fresh air and call 9-1-1. 1 Beep Every Minute: Low Battery. It is time to replace the batteries in your carbon monoxide detector. 5 Beeps Every Minute: End of Life. This type of chirp indicates it is time to replace your carbon monoxide alarm. Low battery silence: The Alarm can be silenced for 8 hours. Red Blinking Power Indicator every 6 minutes: Confirms that the Smoke Alarm is receiving power All First Alert® Smoke Alarms conform to regulatory requirements, including UL217 and are designed to detect particles of combustion. Smoke particles Fire alarms are an essential safety feature in any home or office. They provide early warning in case of a fire and can save lives. However, many people often overlook the importan...If your smoke alarm is chirping even though it has a new battery, try these troubleshooting steps to clear out residual charge from the old battery. Remove the alarm from your ceiling or wall. Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge ...

If your smoke alarm is chirping even though it has a new battery, try these troubleshooting steps to clear out residual charge from the old battery. Remove the alarm from your ceiling or wall. Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge ...

A. Some signs that a First Alert carbon monoxide detector may not be working include a beeping or chirping sound, a yellow or red light indicator, or if the device is not responding to the test button. These signs may indicate a low battery, end of life, or a malfunction.Red flashing light every 5–6 minutes and no sounds. Normal. Red flashing light every 10 seconds and no sounds. Normal after a test was conducted. Usual flashing behavior should resume after 5 minutes. ... Alarms & Monitoring; Wi-Fi Troubleshooting; Account & Billing; Moving Support; Orders & Warranty; App Support; Product Manuals; Shop ... 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. 1. Low battery: One of the most common causes for a blinking red light is a low battery. This can be applicable to various devices such as remote controls, smoke detectors, and wireless headphones. When the battery power drops below a certain level, the device may indicate it by blinking a red light. 2.Hearing Impaired Smart Strobe Light Features: Super-bright Xenon strobe, proven effective in waking people with hearing impairments. Smart Strobe - Separate flash patterns to distinguish smoke/heat or CO danger. Can be interconnected with First Alert and BRK smoke, CO, smoke/CO combo and heat alarms. 120vac hardwired, quick plug-in …Alarm Chirps with New Battery. Learn what to do if your smoke alarm is chirping even after you install new batteries. About our 10-Year Battery Alarms. Learn about 10-year-battery alarms offered by First Alert and BRK.First Alert uses the term “interconnect” to describe the way that certain alarms connect and communicate. When one alarm is triggered by smoke/CO/heat, ...This silence feature can temporarily quiet the Low Battery warning “chirp”. Press the Test/Silence button on the Alarm. The Red light flashes normally, once every 6 … This Smoke Alarm must have AC or battery power to operate. If the AC power fails, battery back-up will allow the alarm to sound for at least 4 minutes. If AC power fails and the battery is weak, protection should last for up to 7 days. If AC power fails and the battery is dead or missing, the alarm cannot operate.

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Before you reach for your alarm, first make sure there is not a fire or danger in the area. Whether the smoke detector went off because you burnt something in the oven or because there is an actual fire present, you need to be certain that your environment is safe. After that, you can reset your alarm, especially when it has not stopped ...Causes: Low battery. Batteries facing wrong direction. Battery drawer partially open. Battery pull-tab still in place. Solution: Alarms with 9V or AA batteries require fresh batteries at least once per year. Insert a fresh Duracell, Energizer, or Everready battery to stop the chirp. Make sure the battery is facing the right direction.The blinking green light on a smoke detector typically indicates that the device is functioning properly and is in normal operation mode. It serves as a visual confirmation that the smoke detector is powered on, has passed its self-checks, and is actively monitoring for smoke or fire hazards. In some cases, a steady green light may …SKU: 1046747. WHERE TO BUY. Illuminate your path to safety with the First Alert SM210L Sealed 10-Year Battery Smoke Alarm with Safety Path Light. The SM210L smoke alarm also features First Alert's Precision Detection advanced sensing technology and meets new industry standards. The 10-year battery means no battery replacements for a decade.Precision Detection. As a leader and the most trusted brand in fire safety, First Alert has introduced Precision Detection advanced sensing technology to meet the latest industry …Learn what to do if your smoke alarm is chirping even after you install new batteries. About our 10-Year Battery Alarms Learn about 10-year-battery alarms offered by First Alert and BRK.120-volt hardwired smoke alarm wires directly into your home's electrical system. Ionization smoke sensor reliably detects particles from fast-flaming fires. Can integrate with up to 12 other First Alert or BRK hardwired smoke detectors. Easy-to-access battery compartment; 9-volt battery included. Hassle-free installation, no need to rewire.See full list on homestuffmag.com ….

A low battery light and chirp sound will let you know when the batteries need to be replaced. A one-touch button silences false alarms and allows you to test ...A fire alarm system serves many functions and the differences between the functions can be a bit confusing, so I created a visual guide to fire alarm basics. The objective of this blog series is to discuss some of the major components and functions of a fire alarm system. Install a Battery-Powered First Alert Alarm. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. She’s iced coffee when she wakes up and a glass of red wine before bed. She’s everyone’s alarm clock and isn’t always thrilled when her goes...Install a Battery-Powered First Alert Alarm. Learn the step-by-step process for installing a battery powered alarm. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support. Hours of Operation: Mon - Fri (9am - 8pm CT) Sat - Sun (9am - 5:30pm CT) 1-833 ...A blinking power light informs you the smoke alarm is operational, while a low battery-alert lets you know when it is time to change the battery. Tamper-Resistant Battery Operation. A single 9-volt battery powers the First Alert SA303A Smoke Alarm, and there is a side-load battery drawer that slides open for easy battery replacement.Push and hold the Test/Silence button on the cover until you hear an acknowledge "chirp". The alarm horn will sound 4 beeps, a pause, then 4 beeps. The ALARM (RED) light will flash. The alarm sequence should last 5-6 seconds. If it does not alarm, make sure the battery is correctly installed, and test it again. TO MOUNT ON THE WALL. Tools you ...Improved UV Resistance: Keeps alarm from discoloring over time. Standards: UL 217 and UL 2034. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5.6 x 1.9 x 5.6 in. Product Weight: .7 lbs. Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies.Low Battery: This is the most common reason for chirping smoke alarms. It's usually a single beep at intervals of 30 to 60 seconds. Replacing the batteries with fresh ones should silence the alarm. End of Life: Smoke alarms don't last forever. If your smoke detector is chirping constantly or in a different pattern than usual, it may be nearing ... First alert fire alarm red light, Power indicator and night light. Blue: N/A : Unit is in pairing mode, and ready to connect to your mobile device. “This is only a test. The alarm will sound and for your protection is very loud. The test will start in 5 seconds. 5, 4, 3, 2, 1.” The unit’s test mode has been is activated and is about to alarm. Blue pulsing "Bluetooth mode.", Model SA511 3055574. Printed in Mexico. M08-0194-000 Q 03/07. IMPORTANT! PLEASE READ CAREFULLY AND SAVE. This user’s manual contains important information about your Smoke Alarm’s operation. If you are installing this Smoke Alarm for use by others, you must leave this manual—or a copy of it—with the end user., Noise Output: 85 dB in a T3 Pattern. Single Button: One press to silence and test alarm. Easy Installation: Quick-Connect wiring for easy installation. Standards: UL 217, UL 2034 and UL 1971 for visual signal devices. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5.5 x 3 x 5.5.in. Product Weight: .87 lbs., alarms it will also provide hearing impaired individuals with a visual and audible warning of a carbon monoxide danger. Please take the time to read this manual and make this Smoke and Strobe Light Combo Alarm an integral part of your family’s safety plan. Key Features: Low Profile Design: Half the size of a standard alarm 177 Candela LED ..., 120-volt hardwired smoke alarm wires directly into your home’s electrical system. Smoke detector can integrate with up to 18 compatible devices for extended coverage. Photoelectric sensor detects smoke from smoldering fires while minimizing false alarms. Universal mounting bracket and hardwire quick connect plug for hassle-free installation. , First Alert CO606A User Manual View and Read online. Est. reading time 21 minutes. ... POWER/ALARM Light (Red) (Behind Cover) Alarm Horn: 85 dB audible alarm for test, alarm, and unit malfunction warning. ... CO Alarms are not a substitute for a smoke alarm. Although fire is a source of carbon monoxide, this CO Alarm does not sense smoke or ..., The First Alert SA304 Smoke Alarm with escape light features ionization smoke-sensing technology with an enhanced smoke-gathering design. Ionization sensors offer optimal smoke detection from flaming fires. The 85-decibel fire alarm is designed to be easily heard. Easy-to-Use Design. This smoke detector utilizes a single button for simple ..., Thank you for choosing First Alert® for your Smoke Alarm needs. You have purchased a state of the art Smoke Alarm designed to provide you with an early warning of a fire. Please take the time to read this manual and make this Smoke Alarm an integral part of your family’s safety plan. Key Features of the 7010 and 7010B Smoke Alarm:, 1. Open any page in the Help Center. 2. Click the search icon in the top right corner. 3. Input your model number and select your product. 4. Click Download product manual., This Smoke Alarm must have AC or battery power to operate. If the AC power fails, battery back-up will allow the alarm to sound for at least 4 minutes. If AC power fails and the battery is weak, protection should last for up to 7 days. If AC power fails and the battery is dead or missing, the alarm cannot operate., If your smoke alarm is chirping even though it has a new battery, try these troubleshooting steps to clear out residual charge from the old battery. Remove the alarm from your ceiling or wall. Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge ..., A fire alarm flashing red indicates a fault or issue with the device. The red light is often a warning signal to alert occupants of a potential problem. There can be several reasons why a fire alarm is flashing red, and it is crucial to address the issue promptly to ensure the safety of the premises. Possible causes of a red flashing fire alarm ..., Model SA511 3055574. Printed in Mexico. M08-0194-000 Q 03/07. IMPORTANT! PLEASE READ CAREFULLY AND SAVE. This user’s manual contains important information about your Smoke Alarm’s operation. If you are installing this Smoke Alarm for use by others, you must leave this manual—or a copy of it—with the end user. , Low battery silence: The Alarm can be silenced for 8 hours. Red Blinking Power Indicator every 6 minutes: Confirms that the Smoke Alarm is receiving power All First Alert® Smoke Alarms conform to regulatory requirements, including UL217 and are designed to detect particles of combustion. Smoke particles , This silence feature can temporarily quiet the Low Battery warning “chirp”. Press the Test/Silence button on the Alarm. The Red light flashes normally, once every 6 minutes, during Low Battery Warning Silence. After time, the low battery “chirp” will resume. Deactivate the Smoke Alarm and replace it immediately. IF YOU SUSPECT A PROBLEM, This Smoke Alarm must have AC or battery power to operate. If the AC power fails, battery back-up will allow the alarm to sound for at least 4 minutes. If AC power fails and the battery is weak, protection should last for up to 7 days. If AC power fails and the battery is dead or missing, the alarm cannot operate. , Resetting the smoke alarm will stop the noise. Follow these easy steps to reset your First Alert smoke alarm. Remove your First Alert smoke alarm from its position on your wall or ceiling. Carefully open the cover and remove the batteries. Long press (15-30 seconds), then release the Test button., 1 How to Install this Smoke Alarm. 2 Optional Locking Features. 3 Regular Maintenance. 4 If this Smoke Alarm Sounds. 5 Understanding the Indicator Lights and Alarm Horn Patterns. 6 Weekly Testing. 7 Latching Feature. Download this manual. Original version., Smoke detectors should also be at least 10 ft. from high humidity areas such as bathrooms (with showers) and laundry rooms. Heating and AC vents are also capable of disrupting smoke alarms, so you’ll generally want to place them at least 3 ft. away from them. As for actual locations, it’s generally recommended that smoke alarms be installed ..., Fire alarms are an essential safety feature in any home or commercial building. They provide early detection of smoke and fire, allowing occupants to evacuate quickly and preventin..., The First Alert BRK SC7010BVA Hardwired Talking Photoelectric Smoke and Carbon Monoxide Alarm detects both carbon monoxide and smoke all in a single device. The 120-volt CO smoke alarm features a photoelectric smoke sensor and electrochemical carbon monoxide sensor for complete peace of mind. The voice warning alerts you to the type of …, The First Alert P1210E 10-Year Battery Photoelectric Smoke Alarm with Safety Path Light alerts you to smoke and fire emergencies and helps illuminates your path to safety. This low-profile smoke detector is half the size of a standard alarm, with a slim, contemporary design that mounts unobtrusively on a wall or ceiling. , If you keep having nuisance smoke alarms, here are a few things that can help you determine the issue, alarms it will also provide hearing impaired individuals with a visual and audible warning of a carbon monoxide danger. Please take the time to read this manual and make this Smoke and Strobe Light Combo Alarm an integral part of your family’s safety plan. Key Features: Low Profile Design: Half the size of a standard alarm 177 Candela LED ..., Smoke detectors should also be at least 10 ft. from high humidity areas such as bathrooms (with showers) and laundry rooms. Heating and AC vents are also capable of disrupting smoke alarms, so you’ll generally want to place them at least 3 ft. away from them. As for actual locations, it’s generally recommended that smoke alarms be installed ..., "I think this is a trick." Alibaba’s latest move in the battle for Chinese smartphone users appears to have backfired. As part of a Chinese New Year promotion, the company’s Alipay..., Fixing a First Alert smoke detector with a blinking red light requires careful diagnosis and appropriate action depending on the cause of the issue. Additionally, it’s always a good idea to have a fire escape plan in place in case of an emergency., For CO alarms, the National Fire Protection Association (NFPA) recommends that CO alarms be installed on every level and in the central location outside each bedroom. For added protection, install additional CO alarms in every bedroom. NOTE: For added protection, install an additional smoke/CO alarm at least 20 feet (6 meters) away from the furnace, Having a smoke alarm in your home is crucial for keeping you and your loved ones safe from potential fire hazards. However, if your smoke alarm keeps chirping, it could be a sign t..., Push and hold the Test/Silence button on the cover until you hear an acknowledge "chirp". The alarm horn will sound 4 beeps, a pause, then 4 beeps. The ALARM (RED) light will flash. The alarm sequence should last 5-6 seconds. If it does not alarm, make sure the battery is correctly installed, and test it again. TO MOUNT ON THE WALL. Tools you ..., SKU: 1046747. WHERE TO BUY. Illuminate your path to safety with the First Alert SM210L Sealed 10-Year Battery Smoke Alarm with Safety Path Light. The SM210L smoke alarm also features First Alert's Precision Detection advanced sensing technology and meets new industry standards. The 10-year battery means no battery replacements for a decade., If you suspect an actual fire – Never take chances with smoke detector alarms – call 911 or the fire department immediately if you suspect real smoke or fire. If unsure about the cause of the alarm – When in doubt about the reason for frequent false alarms, the fire department can inspect the device and diagnose issues. Safety first ... , If this is not possible, install the smoke alarm at least 4 inches (102 mm) from the wall or corner. For wall mounting (if allowed by building codes), the top edge of smoke alarms should be placed between 4 inches (102 mm) and 12 inches (305 mm) from the wall/ceiling line, below typical "dead air" spaces.