Page 1: Smoke Alarm SIGNALING LISTED Smoke Alarm User's Guide i4618, i4718, i5000 Series Model: i4618 • 120 Volt Smoke Alarm with 9 Volt Battery Back-up • Front Load Battery ® • Test and Hush Button ATTENTION: Please take a few minutes to thoroughly read this user's guide which should be saved for future reference and passed on to any subsequent owner.We would like to show you a description here but the site won't allow us.Locations For Smoke Alarms” and “Locations To Avoid For Smoke Alarms” for details. Know What Smoke Alarms Can and Can’t Do A Smoke Alarm can help alert you to fire, giving you precious time to escape. It can only sound an alarm once smoke reaches the sensor. See “Limitations of Smoke Alarms” for details. Check Your Local Building CodesDuring an alarm, you will hear a loud, repeating horn pattern: 3 beeps, pause, 3 beeps, pause. - Silencing the low battery warning. This user manual provides all the information (according to the table of contents) from First Alert about the 3120B AC Powered Photo and Ion Smoke Alarm with Battery Back-Up and Silence.Hardwired Strobe Light Alarms can operate independently or be interconnected with other hardwired alarms for increased protection. First Alert Hardwired Alarms plug into your home's preexisting system. Easy install smoke detectors hardwired come equipped with a battery backup and interconnected feature that enhances peace of mind.Like a flashing red light, a flashing green light can have a few different meanings. Many smoke detectors use a green light in place of a red light. For example, a blinking green light could be trying to tell you that your batteries are low. Some hard-wired detectors also use a flashing green LED light as part of an alternating current (AC ...Smoke/CO Alarms should be placed between 4 inches (102 mm) and 12 inches (305 mm) from the wall/ceiling line. On a peaked, gabled, or cathedral ceiling,install the first Smoke/CO Alarm within 3 feet (0.9 meters) of the peak of the ceiling, measured horizontally. Additional Smoke/CO Alarms may be required dependingSeeing your smoke alarm blinking red can be scary. But it can also mean that there's something wrong with your device. Contents hide. 1 Replace the Battery. 2 Clean the Sensors. 3 Run a Test. 4 Replace the Smoke Detector. The first thing to do is check the battery level. If the smoke detector is flashing red every minute, it likely needs a ...Access the test button: Locate the test button on your First Alert Carbon Monoxide Detector. It is usually labeled with the word "Test" or represented by a symbol. Press and hold the test button: Press and hold the test button for a few seconds until you hear a loud, continuous alarm.3. First Alert Smoke Alarm with LED Strobe Light. First Alert's Smoke Alarm with LED Strobe is a single-unit smoke detector implemented with an LED strobe to create a visual notification for people with hearing difficulties. This hardwired smoke detector comes with a 10-year sealed battery and can be interconnected with up to 18 First Alert ...BATTERY-OPERATED COMBINATION SMOKE AND CARBON MONOXIDE ALARM. Model: SCO2. Find a retailer. WIRELESS INTERCONNECTED PHOTOELECTRIC SMOKE AND CARBON MONOXIDE COMBO ALARM WITH VOICE AND LOCATION. Model: SCO500. More options available. Find a retailer. BATTERY OPERATED SMOKE AND CARBON MONOXIDE ALARM. Model: PC1200.SKU: SA320CN. 4.5 / 5.0. (23022 Reviews) WHERE TO BUY. The First Alert Ultimate Protection Smoke and Fire Alarm provides an early warning. The intelligent sensing technology in this fire alarm is designed to cut down on nuisance alarms from cooking smoke or other common false-alarm triggers. A single button both silences and tests the smoke ...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 ...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 connectors ...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 early warning of a fire. Please take the time to read this manual and make the Smoke Alarm an integral part of your family's safety plan. Key Features of the P1210 Smoke 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.Dust and debris accumulation is another reason your smoke detector blinks yellow light. When the smoke detector is clogged with dust or debris, it will function properly. The vents of the smoke detector will not get ventilation. Dust and debris will also clog the sensors. So, the sensors will not work correctly.This First Alert 9120LBL 10-Year Smoke Alarm is an essential product in protecting your home and family. ... Fire Alarm alerts to invisible fire particles, even during power outages. A green LED light indicates that smoke alarm is in operation, while red LEDs blink to indicate standby, smoke or fire, and hush mode. After 10 years of use, the ...The Kidde Smoke Detector’s flashing red indicator serves as a vital beacon of safety, alerting occupants to potential fire hazards with clarity and urgency. Its immediate visual alert provides a prompt response to any fire-related emergencies. The flashing red light stands as a testament to Kidde’s dedication to keeping families and homes safe.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 early warning of a fire. Please take the time to read this manual and make the Smoke Alarm an integral part of your family's safety plan. Key Features of the P1210 Smoke Alarm: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 SA320 Photo & Ion Combo Smoke Alarm: Photo & Ion Smoke Sensors: Dual photoelectric and ionization smoke. sensing technologies for optimal sensing of smoke particles produced in.Some alarms have a red or green light that blinks every few minutes, while other models blink rapidly or shine a solid light. The light isn't a cause for concern unless the alarm is also beeping or chirping. The light may change color after latch mode. To reset the light on your alarm back to default mode, press the Test/Silence button and ...Spinning green: You are on an active call. Standard colors and voice notifications. Refer to the chart to learn what common color and light patterns mean. Color ...One of the most common problems with First Alert Wireless Smoke Detectors is that they don't seem to detect smoke when there is a fire. The detector needs two minutes of exposure to smoke before it will set off an alarm. If you're not getting an alarm and you think there's a problem, try moving it around the house or checking the ...Photoelectric sensor smoke alarm with bright escape light; ideal for cooking areas. Blinking power light and 85dB alarm. Also includes side battery drawer and missing battery guard. Low-battery warning. Tamper-resistant design with optional theft-prevention lock. Test/Silence button for convenient, reliable operation. One 9-volt battery ...Below you will find the product specifications and the manual specifications of the First Alert 9120LBL. The First Alert 9120LBL is a smoke detector that is designed to provide reliable detection of smoke and fire in residential settings. It is equipped with advanced sensors that can quickly sense the presence of smoke or fire, and emit a loud ...Combined Smoke and Carbon Monoxide Alarm - Unique sensor algorithm detects real fires faster and reduces nuisance alarms. Sealed-in Lithium Battery - Unit will continue to operate for years. Alerts user to replace alarm after 10 years of operation. The Kidde P3010CU is a 10-year, sealed battery, smoke and carbon monoxide alarm with a voice ...First Alert 7010LBL User Manual View and Read online. UNDERSTANDING THE INDICATOR LIGHTS AND ALARM HORN PATTERNS. Est. reading time 23 minutes. 7010LBL Smoke Alarm manuals and instructions …After the first time, I replaced all of the units. I vacuumed all units recently. Last night a 9120B unit in the downstairs bedroom beeped occasionally. When I got up to check the unit, I found the green light flashing on and off. I got the ladder and pressed the test button. The green light became solid and the intermittent beeping stopped.Power Source: Hardwired. Battery Backup: 9V. Sensor: Ionization. Interconnect: Can be linked with up to 18 units (12 Smoke, 6 CO/Heat/Relay) Smart Technology :Helps reduce nuisance alarms. Noise Output: 85 dB in a T3 Pattern. Single Button: One press to silence and test alarm. Easy Installation: Perfect Mount System includes Gasketless Base.First Alert smoke detectors · First Alert 9120LBL manual. 7.5 · 1. give review. PDF manual · 1 page. ... you install special units which use devices like flashing strobe lights to alert . ... After smoke levels drop below alarm levels, the green LED will be .Different models of First Alert® smoke alarm use different sizes of battery. The most common are: 9v, AA, AAA or long life lithium. To find which batteries are approved for your First Alert® Smoke Alarm, check your users manual or the nameplate on the back of the alarm.Whether you want an alarm with voice alerts, a slim profile design, wireless capability, escape light feature, etc., we have several models to meet your needs. ... Combination Smoke and Carbon Monoxide Alarms. First Alert also offers combination smoke and carbon monoxide alarms, which provide 2-in-1 protection against both smoke and …A blinking red light on a smoke alarm could indicate low battery, the presence of smoke or fire, or a fault in the alarm system. In this blog post, we will guide you through the troubleshooting steps to determine the cause and resolve the issue. ... The first step in troubleshooting a Kidde alarm blinking red is to check the battery. A low ...First, try pressing the button on the front of the detector for five second. This may or may not reset the green blinking light. If it does not, try the second way. …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.The First Alert (R) battery operated ionization smoke alarm is equipped with a9 V battery that ensures its operation during a power failure. This alarm that boasts a bright escape light that illuminates a path to safety when the alarm sounds. This is extremely useful when dealing with smouldering fires that can fill the home with thick smoke.Here are the steps to reset your smoke detector: Switch the circuit breaker off from the panel. Remove the alarm from its stand and unplug the power cable or batteries. Press the test button and hold it down for approximately 15 seconds. Reconnect the power source and turn on the smoke alarm.First Alert 7010LBL User Manual View and Read online. UNDERSTANDING THE INDICATOR LIGHTS AND ALARM HORN PATTERNS. Est. reading time 23 minutes. 7010LBL Smoke Alarm manuals and instructions …Features. The First Alert Ultimate Protection Smoke and Fire Alarm provides an early warning. The intelligent sensing technology in this alarm is designed to cut down on nuisance alarms from cooking smoke or other common false-alarm triggers. A single button both silences and tests the smoke detector for simple operation.Are you an employee? Login here. LoadingFind more information about your First Alert or BRK product, including manuals, tutorials, and more. ... Learn why the NFPA recommends that smoke alarms be replaced every 10 years (at least). About alarm life expectancy / expiration. Learn how to tell if the old alarms in your home are still protecting you. Troubleshooting.First Alert smoke detectors · First Alert 9120LBL manual. 7.5 · 1. give review. PDF manual · 1 page. ... you install special units which use devices like flashing strobe lights to alert . ... After smoke levels drop below alarm levels, the green LED will be .Using the test button is the recommended way to test this smoke alarm. Press and hold the Test/Silence button on the cover of the unit until the alarm sounds (the unit may continue to alarm for a few seconds after you release the button). If it does not alarm, make sure the unit is receiving power and test it again.Half as thick as a standard alarm, the First Alert PR700 Photoelectric Smoke and Fire Alarm packs premium detection features into a sleek, compact unit. The ultra-thin design features a white finish that blends seamlessly with most home decor. ... First Alert Battery Powered Smoke Alarm with Escape Light - SA304CN3 . MPN: 1039800 (36) $16.95 ...Hardwired Photoelectric Smoke Detector w/ Battery Backup & Strobe Features: Hardwired smoke alarm with battery back-up and integrated 177 candela strobe. Meets codes where a photoelectric smoke sensor and an ADA approved strobe is required. Photoelectric smoke sensing technology. AAA Battery Backup for the Smoke Alarm …When a First Alert smoke or carbon monoxide detector is blinking green yet emitting an intermittent chirping sound, this typically signals that the battery is running low and needs replacement. Most First Alert models include a diagnostic chirp and blinking light pattern to indicate when battery power is getting dangerously low.Here are the steps to reset your smoke detector: Switch the circuit breaker off from the panel. Remove the alarm from its stand and unplug the power cable or batteries. Press the test button and hold it down for approximately 15 seconds. Reconnect the power source and turn on the smoke alarm.Learn why the NFPA recommends that smoke alarms be replaced every 10 years (at least). About alarm life expectancy / expiration. ... Install a Battery-Powered First Alert Alarm. Learn the step-by-step process for installing a battery powered alarm. Photoelectric vs Ionization Smoke Alarms.Firex Smoke Detector, Hardwired with 9-Volt Battery Backup & Front Load Battery Door, Adapters Included, Smoke Alarm (2500) Questions & Answers (227) Hover Image to ZoomAll First Alert ® Smoke Alarms conform to regulatory requirements, including UL217 and are designed to detect particles of combustion. ... Blinking Power Indicator: Confirms that the Smoke Alarm is receiving power. FIRE SAFETY TIPS. Follow safety rules and prevent hazardous situations: ... A Smoke Alarm can help alert you to fire, giving you ...USER'S MANUAL. The Mounting Bracket: AC POWERED SLIM LINE SMOKE. The mounting bracket installs onto the junction box. & STROBE LIGHT COMBO ALARM. It has a variety of screw slots to fit most boxes. WITH SEALED LITHIUM BATTERY BACKUP. The Power Connector: Input: 120V AC ~, 60Hz, 0.8A Alarm.Jan 27, 2024 · A solid green light with a blinking red light on your smoke detector may indicate various issues. The solid green light usually signals that the detector is receiving power, while the blinking red light often indicates a problem, such as a malfunction or a low battery. Refer to the user manual for your specific smoke detector model to identify ...With Fire X systems, red, yellow, and orange LEDs will flash when the device detects smoke and significant CO levels. But before you react, make sure the smoke detector is actually flashing orange. In the right lighting, red and yellow LEDs can look orange. A defective LED can also make the red light look orange.Resetting this alarm can be done in two ways –. First, try pressing the button on the front of the detector for five second. This may or may not reset the green blinking light. If it does not, try the second way. Second, twist the detector counter clock wise and remove it from its bracket. Then unplug the detector, then push the test button ...Step 2: Wait a few seconds and reconnect the smoke detector to power. Step 3: The smoke detector should start flashing red again. Step 4: Test the smoke detector by pressing and holding the test button for approximately 10 seconds. Step 5: The smoke detector should sound an alarm, indicating it is working correctly.FIRST ALERT : Style Smoke Alarm With Strobe Light : Power Source Battery Powered,Hardwired : Color white : Product Dimensions 2.3"D x 5.2"W x 5.2"H : Item Weight 0.63 Pounds : Alarm Visual : Manufacturer First Alert : Part Number 7020BSL : Item Weight 10.1 ounces : Country of Origin USA :26/03/2021 · Most smoke detectors, the green LED is used for indicating power status. With my smoke detector (Kidde brand), flashing green means low battery or no batteries installed. With constant green, it means AC power connected. It will blink green every 60 seconds if AC disconnected, powered by batteries.Reset. If the red blinking light on your first alert smoke alarm is flashing nonstop, it could be a sign of something more serious. This could be a power outage, low battery, or a weak or missing signal. If it’s a battery-powered device, changing the batteries should fix the problem. Most smoke detectors emit a low-battery chirp or beep and ...Smoke Detector – Alarm Visual and Audible Indicators. The red LED will flash when the alarm is going off. The red LED will also blink if it detects a low battery. Change the smoke detector battery to stop the red blinking light and chirping noise. Light blinks or flashes once every 10 seconds and no audible alarms.Solution 1: Replace the Batteries. If the slow blinking light on your wall control is caused by dead or low batteries, the solution is simple: replace them! Follow the steps below to replace the batteries. Locate the battery compartment on the back of your wall control. Use a small screwdriver to remove the cover of the battery compartment.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 …ATLANTA, Feb. 16, 2023 /PRNewswire/ -- Holzer & Holzer, LLC is investigating whether Bright Green Corporation ('Bright Green' or the 'Company') (N... ATLANTA, Feb. 16, 2023 /PRNews...First Alert Hardwired Smoke & CO Alarm with LED Strobe Light and 10-Year Sealed Battery - 7030BSL (1038870)https://www.firstalertstore.com/store/products/har...The First Alert Hardwired Smoke Alarm with ... fire and smoke detector ... The fire alarm features a latching indicator to identify which unit triggered the ...Here are the steps to reset your smoke detector: Switch the circuit breaker off from the panel. Remove the alarm from its stand and unplug the power cable or batteries. Press the test button and hold it down for approximately 15 seconds. Reconnect the power source and turn on the smoke alarm.In hardwired mode, standard is Green LED ON, Red LED Flashing 1/minute. If the green is blinking 2 seconds on / 2 second off but it's not making noise, it's in "latching" mode. That means the detector went off but the smoke condition cleared so it stopped beeping... but the green light continues to blink to show that it did go off at one time.If your carbon monoxide alarm keeps chirping, the battery may be low or weak. On First Alert carbon monoxide detectors, check to see if the battery light is yellow or green. If the alarm is chirping and the light is yellow, it means the battery is low. The way to get a carbon monoxide alarm to stop chirping is to replace the battery.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 when the CO alarm sounds. NOTE: DO NOT UNPLUG OR MOVE THE CO ALARM. WHEN THE CO ALARM SOUNDS, MAKE SURE THAT EVERYONE IN THE HOME/BUILDING IS EVACUATED TO AN AREA WITH FRESH AIR ...The two main reasons that smoke alarms chirp or beep is to alert the occupants of a low power condition or to alert of a contaminated detection chamber. ... If the alarm is beeping about once a minute with the red light flashing at the same time, indicates that the lithium battery is partially depleted and the alarm needs to be replaced (check ...Smoke alarms may alarm briefly when power is interrupted, then restored. Power interruptions are common in areas where utility companies switch grids in the early hours of the morning. A loose electrical connection on AC or AC/DC smoke alarms. In AC or AC/DC smoke alarms, a loose hot wire connection can intermittently disconnect power to the ...Locations For Smoke Alarms" and "Locations To Avoid For Smoke Alarms" for details. KNOW WHAT SMOKE ALARMS CAN AND CAN'T DO A Smoke Alarm can help alert you to fire, giving you precious time to escape. It can only sound an alarm once smoke reaches the sensor. See "Limitations of Smoke Alarms" for details. CHECK YOUR LOCAL BUILDING CODESWhy your carbon monoxide detector's green light stays on depends on the brand and model you're using. In some cases, it can merely mean your detector is on and working properly. In others, a steady or blinking green light on a. can mean it's detected a** low-level presence of carbon monoxide**. If the presence increased, it would cause ...If the blinking red light is coming from the sensor chamber of your firex smoke alarm, it probably means that there's dust or insects in the sensing chamber. These can be a common cause of false alarms in the home. For example, if your unit is located near a cold air return, the dusty air can be blown through the sensing chamber and trigger ...If your carbon monoxide alarm keeps chirping, the battery may be low or weak. On First Alert carbon monoxide detectors, check to see if the battery light is yellow or green. If the alarm is chirping and the light is yellow, it means the battery is low. The way to get a carbon monoxide alarm to stop chirping is to replace the battery.Learn why the NFPA recommends that smoke alarms be replaced every 10 years (at least). About alarm life expectancy / expiration. ... Install a Battery-Powered First Alert …Learn why the NFPA recommends that smoke alarms be replaced every 10 years (at least). About alarm life expectancy / expiration. ... Learn about 10-year-battery alarms offered by First Alert and BRK. General Help. Alarm Battery Drawer Won't Close. Learn how to fix an alarm battery drawer that won't close.2. Humidity and Steam. Kidde smoke alarms can also go off if they are exposed to high levels of humidity or steam. This is because the sensors can mistake moisture in the air for smoke particles. 3. Electrical Issues. Kidde smoke alarms can also go off for no reason due to electrical issues.The BRK 3120B is a state-of-the-art hardwired with battery backup smoke alarm that features dual photoelectric and ionization smoke sensing technologies. This alarm features two latching features and two silence features. Alarm Latch: Easily identifies initiating alarm even after alarm condition has subsided. Low Battery Latch: Identifies which ...The SMI105-AC Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup has superior features. The smoke detector includes a hardwire quick connect plug to help streamline the installation and replacement process. There is no need to rewire. Use the test/silence button to make sure the alarm is functioning correctly and know when it is …First Alert Hardwired Smoke & CO Alarm with LED Strobe Light and 10-Year Sealed Battery - 7030BSL (1038870)https://www.firstalertstore.com/store/products/har...First alert smoke alarm - fire smoke detector user manual (8 pages) Smoke Alarm First Alert 9120 User Manual. ... Press and hold to activate test, or to silence the alarm. 2. POWER Light (GREEN)/ SMOKE ALARM Light (RED) 3. CO ALARM Light (RED) 4. Battery Drawer 5. (Behind the Cover) Alarm Horn: 85dB audible alarm for test, alarm, …Learn why the NFPA recommends that smoke alarms be replaced every 10 years (at least). About alarm life expectancy / expiration Learn how to tell if the old alarms in your home are still protecting you.Why your carbon monoxide detector's green light stays on depends on the brand and model you're using. In some cases, it can merely mean your detector is on and working properly. In others, a steady or blinking green light on a. can mean it's detected a** low-level presence of carbon monoxide**. If the presence increased, it would cause ...SMOKE ALARMS • This unit will not alert hearing impaired residents. It is recom - mended that you install special units which use devices like flashing strobe lights to alert …Key Features. Specifications. Documents. The Kidde P12040 is a 120VAC powered photoelectric smoke alarm with 9V battery back up. This advanced smoke alarm has the ability to function as a stand-alone unit or in an interconnected system. The Kidde P12040 includes a test button, quick-connect power harness and offers a 10-year limited warranty.How to Stop False or Nuisance Smoke Alarms. Learn More > Alarm Chirps with New Battery. Learn More > Troubleshoot Smoke Alarm Chirping. Learn More > ... Learn More > Need more help? Email us. Give us a call. First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. …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.I don’t generally think to clean my oven unless I need to pass a move-out inspection or bits of burnt food lurking within it start setting off my smoke alarm. But the longer you pu...4/5 (5,577 Views . 36 Votes) Latching Alarm Indication – Alarm Latch and Low Battery Latch Every BRK photo and ion smoke, combination and CO alarm has a Latching Alarm feature. The unit “latches” or remembers which alarm initiated the event. The Latching Alarm feature will remain active until you press the test/silence button.The blinking red light on a first alert hardwired smoke detector may indicate various issues. It could signal a low battery, a malfunction in the detector, or the end of the detector's lifespan. To troubleshoot, first, replace the battery. If the issue persists, consider cleaning the detector from dust and debris.A solid green light with a blinking red light on your smoke detector may indicate various issues. The solid green light, First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm wit, On a peaked, gabled, or cathedral ceiling, install first Smoke/CO Alarm within 3 feet (0.9 meters) of the p, First Alert Hardwired Smoke and CO Alarm with LED Strobe Light and 10-Year Sealed Battery - 7030BSL (1038870) Video. A, If you have questions that cannot be answered by reading this manual, call , Red Blinking Power Indicator every 6 minutes: Confirms that the Smoke Alarm is receiving power All First Al, carbon monoxide detector's. flashing white light means depends on its brand , Protect your home with the BRK First Alert SC7010LBLV Hard, Red Flashing Light Bulb For Smoke And Fi Stock Pond, The first alert smoke detector green light blinking, Please take the time to read this manual and make this, Reinsert the battery, reconnect the power cable an, 7010BSLA. Type. Smoke Alarm, Strobe. Sensor Type. Photo, The First Alert 3120B smoke detector is a highly effici, A handy troubleshooting chart from the User Guide. Last Upda, First, turn off the AC power at the circuit breaker or , Below you will find the product specifications and the manual s, 4. Something blocking the sensor. The most common reason for a.