Kidde smoke alarm beeping 3 times

1. Smoke Alarm: What To Do When the Alarm Sounds The smoke alarm pattern is three long beeps with voice “Fire!,” a 1.5 second pause, and three long beeps repeating. The red LED blinks in time with the alarm pattern. The smoke alarm takes precedence when both smoke and carbon monoxide are present.

Kidde smoke alarm beeping 3 times. Kidde Support. Home / Troubleshooting - Smoke + CO Alarm with smart features A handy troubleshooting chart from the User Guide. Last Updated: 595d. Consult the User Guide for more troubleshooting info. Related articles. Kidde ...

Model # P1275CA Store SKU # 1000144259. The KiddeP1275CA is a 120 V AC, wire-in smoke alarm with 9 V battery backup that can function as a stand alone unit or interconnect with up to 24 Kidde devices (of which 18 can be initiating). The Kidde P1275CA provides continuous protection against smoke and fire hazards, even during power outages.

Just FYI, a CO detector detects a deadly invisible odorless gas. If it starts blaring the full alarm (whatever it sounds like when you push the test button), leave the building immediately and call 911 or your country-specific emergency number. Do not check for fire, cooking, or other causes. If a new battery doesn't fix it, call the manufacturer.Thank You for Purchasing this Kidde Alarm Hardwired for 120V AC, this model includes two replaceable AA backup batteries. ... The smoke alarm pattern is three long beeps with voice "Fire!," a 1.5 second pause, and three long beeps repeating. ... co Fault Amber LED blinks 2 times every 60 sec. 3 chirps every 60 sec. * Push button once to ...SMOKE ALARM ACTIVATION Smoke alarm pattern is 3 long beeps with voice "Fire! Feu!", 1.5 second pause, 3 long beeps, repeating. ... P4010ACLEDSCOCA AC wire-in photoelectric smoke / CO alarm and LED strobe light can be directly interconnected with Kidde 3-wire smoke, heat and CO alarms. This alarm is acceptable for use in all residential ...Warranties differ depending on product models. Most of our alarms have a 5 year limited warranty, and some of our carbon monoxide alarms have a 7 year limited warranty. Note that the limited warranty period varies by model for all our products. IMPORTANT: Do not remove an alarm's back cover. Back cover removal will void the warranty.If you want to stop hitting the snooze button every morning, you need to get to bed earlier. Setting an alarm at night will remind you that it’s time to hit the hay, no matter how ...

Retail Price*. $45.99. Detail. Key Features. Specifications. Documents. The Kidde C3010 is a 10-year, sealed battery, carbon monoxide alarm that uses electro-chemical sensing technology to protect you and your family from the dangers of carbon monoxide. The C3010 alarm will automatically activate when it is attached to the mounting bracket.10 Apr 2020 ... Replacing a Kidde 3-in-1 LED Smoke and CO1 detector. Unboxing, testing, installation and review. The Kidde P4010ACLEDSCOCA is an integrated ...2SFWR. Unique fast-fit system. Fast, push-fit connection. Sealed-in rechargeable Lithium cell for 6 months. Interconnectable. Deep Base - allows easier wiring. Tamper-proof batteries. For large order quantities, please call our Customer Service team on 0800 917 0722. Power Source.Kidde AC Hardwired Wireless Interconnect Smoke Alarm. RF-SM-ACDC. Retail Price. $57.54. Add to Compare. Kidde AC Hardwired Interconnect Photoelectric Smoke Alarm with Hush™. P12040. Retail Price. $20.40.Carbon monoxide detectors are time-weighted alarms. The way a time-weighted alarm works is by measuring the buildup of carbon monoxide in a house as time passes. For a person to begin feeling the effects of carbon monoxide poisoning, they would need to be exposed to a carbon monoxide level of 50 parts per million (PPM) for eight hours.The smoke alarm pattern is three long beeps with voice "Fire!," a 1.5-second pause, and three long beeps repeating. The red LED blinks in time with the alarm pattern. The carbon monoxide (CO) alarm pattern is four quick beeps with voice "Warning!The smoke alarm pattern is three long beeps with voice "Fire!," a 1.5-second pause, and three long beeps repeating. ... Carbon Monoxide Alarm Response Times: At 70 ppm, alarm within 60-240 min.At 150 ppm, alarm within 10-50 min.At 400 ppm, alarm within 4-15 mi... What does ppm stand for? ... Multiple Kidde alarms with smart features can be ...

3.Open the battery compartment Consumers assert that if your smoke alarm is left open, it will continue to beep unless the battery drawer is properly closed. 4.A blocked section of the terminal The alarm will immediately sound if a battery is fitted incorrectly, warning of a significant charging issue. 5.† Interconnectable to other Kidde/Nighthawk brand smoke and CO alarms (see page 15 for details). SMOKE ALARM: The alarm pattern is three long alarm beeps, which will repeat until the smoke is eliminated. The red LED light will flash with the alarm beeps.. LOW BATTERY: If the battery is low, the red LED light will flashTo do so, press the button on the face of the alarm for about 8 seconds. and you will hear 3 consecutive beeps. Upon rele... I notice that the temperature on my thermostat and the temperature displayed in the Kidde app is different. Why is that?What to do when your smoke alarm sounds. How do I determine if my combination alarm has reached its End of Life? How to reset an alarm. How to tell your smoke alarm is working. How to test a smoke alarm. General Questions & Instructions. Kidde alarms cross-reference table of upgraded models. Why do smoke alarms always chirp in the …

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Even those models that do both jobs (smoke and CO2) should have green, yellow and red lights. When the green light is blinking on your carbon monoxide detector, it means all is well, and the device is working. Your CO2 monitor light should always be …Toggle the room's circuit breaker. Remove the batteries from the smoke alarms ' battery compartment. Hold down the test and shush buttons on your smoke alarm for 15 seconds. Put the batteries back in. You might consider changing the Kidde alarm's internal batteries if that didn't work.This pattern is repeated until the smoke is eliminated. The strobe will flash once per second. When interconnected with a carbon monoxide alarm or combination smoke/CO alarm, in the event of a CO incident detected by the CO or combo smoke/CO alarm, the strobe horn will sound four (4) short beeps in time with red LED flashes, followed by “Warning!Regularly checking and replacing batteries in your fire alarms is crucial for maintaining their effectiveness. Faulty Sensor. Another possible cause of incessant beeping from your Kidde fire alarm could be a faulty sensor. Smoke detectors are equipped with sensors that detect smoke particles in the air, triggering an alarm when necessary.Short beeps every 48 seconds means your battery is reaching end of life. You may also have some dust particles in the smoke chamber which can be removed by vacuuming the mesh. You may also have some dust particles in the smoke chamber which can be removed by vacuuming the mesh.

1. Smoke Alarm: What To Do When the Alarm Sounds The smoke alarm pattern is three long beeps with voice “Fire!,” a 1.5 second pause, and three long beeps repeating. The red LED blinks in time with the alarm pattern. The smoke alarm takes precedence when both smoke and carbon monoxide are present.Why is my Kidde smoke alarm beeping 3 times? If the alarm does sound the smoke alarm pattern of 3 long beeps, check for fires first. If the smoke is not too dense, the alarm will silence immediately and the red LED blinks every 10 seconds. This indicates that the alarm is in a temporarily desensitized condition.SMOKE & CARBON MONOXIDE DETECTORS. As North America's #1 home fire safety brand (based on total household installations as of December 2022), Kidde provides you with the confidence to protect what matters most in your life. Kidde's latest smoke and combination smoke + carbon monoxide (CO) detectors are bringing you the next level of fire and ...Hard-Wired Smoke and CO Detector: https://amzn.to/2UT4z5qThis video will provide 3 different fixes which will help to stop the annoying chirping coming from...At this time the biometric support is limited to providing access to the app while the user is logged into the app (i.e., did not logout by ... I have a technical question. How Can I Contact Kidde? To reach Kidde's customer service, please email [email protected] or call 1 (877) 542-5471 Monday through Friday from 8:00a....The Battery Powered Smoke & Carbon Monoxide Detector (2-AA batteries included), model 900-CUDR, is equipped with self-testing components that are always checking to make sure the alarm is on and working.*. This smoke and carbon monoxide detector combo helps protect you and your family from 2 dangerous threats - fire and carbon monoxide (CO ...The Smoke Alarm Is Chirping. Usually, when a smoke alarm or carbon monoxide alarm is chirping (one quick little beep every one to two minutes or so), it means the battery is dying. Even if your smoke alarm is attached to your electrical system, it should have a battery backup. When that battery is getting low, the alarm chirps to let you know.The following conditions could cause your smoke alarm to chirp consistently: Low Battery – The alarm will chirp every 30-40 seconds (every 60 seconds for some alarms) for a …

Hello I have a kidde smoke and carbon monoxide detector (replace 2026 date) started beeping at 5:30 am changed batteries new three times but not appearing to stop beeping 3 timex every 30 seconds time … read more

Reference video for:https://homesecurityplanet.com/why-does-my-smoke-alarm-keep-beeping-3-times/3. Take out its battery, then press the “Test” button, holding it down for 15 seconds. An alarm will sound briefly; then, the alarm will silence. 4. Install the battery in the smoke detector, reconnect the power cable, and mount the smoke detector back on its mounting bracket. Turn the breaker on.The Kidde KN-COSM-BA Combination Carbon Monoxide & Smoke Alarm provides two important safety devices in a single unit. This alarm includes a voice warning system that announces "Fire, Carbon Monoxide, Low Battery and Smart HushTM Activation.". The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or ...However, smoke detectors follow the same beeping sequence if there is dust, dirt, or steam that gets into the device. What does 3 beeps mean on a Kidde smoke detector? fires If the alarm does sound the smoke alarm pattern of 3 long beeps, check for fires first. If a fire is discovered, get out and call the fire department. The unit shall have audible methods for warning of smoke or fire danger: a piezoelectric horn, rated at 85 decibels at 10 feet, and a voice warning. In alarm, the horn will sound in the repetitive manner – three long beeps, a 1.5 second pause, three long beeps, repeating. In between, the unit will announce a voice warning, “Fire!” Open the battery compartment door by pressing down on the battery compartment door, then release to allow the door to pop open. Pull the battery straight out of the compartment. Insert the battery into the compartment. Make sure the battery's connectors ( + -) are facing out. Line up the plus ( +) and minus ( -) connectors with the yellow label ...KF20. Interlink with up to 23 Firex hard-wired alarms. Alarm memory. Dust compensation and bug screen. Mains operation - 9V Alkaline back-up battery supplied. For large order quantities, please call our Customer Service team on 0800 917 0722. Power Source. 230V AC Mains. Sensor.

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Part #: 0918. The Kidde i9080 is a battery operated, ionization smoke alarm with a safety light that helps guide your way to safety. This unit is designed to alert you and your family to the dangers of smoke and fire. The i9080 includes a 9V battery that powers the smoke alarm, along with an additional 9V battery to power the safety light.Kidde CO alarms have a proven life of seven to ten years, depending on the model type. As of 2013, ALL Kidde CO Alarms manufactured after 2013 have a 10 Year life and warranty, with the following exceptions. Model KN-COEG-3 (900-0113) and KN-COPP-3-RC (900-0099) Important Note! CO alarms do NOT detect the presence of CO when in end-of-life mode.At this time the biometric support is limited to providing access to the app while the user is logged into the app (i.e., did not logout by ... I have a technical question. How Can I Contact Kidde? To reach Kidde's customer service, please email [email protected] or call 1 (877) 542-5471 Monday through Friday from 8:00a....1. Low Battery. The most common reason for a smoke alarm to emit three quick beeps is a low battery. When the battery power drops below a certain level, the alarm will produce a distinctive sound to alert you that it requires a battery replacement. To resolve this issue, simply replace the old battery with a new one, ensuring it is the correct ...Smoke & Heat Alarms Carbon Monoxide Alarms Combination Alarms Fire Extinguishers ... When the CO alarm emits a quick beep every 30 seconds and the red LED flashes, you may need to change the batteries. ... Kidde carbon monoxide and combination alarms should be replaced every 7/10 years ( depending on the model ) and they all have an end of life ...When the smoke alarm beeps 3 times and stops. It indicates that either your home caught fire or the alarm's battery is almost dead. You should quickly leave your home and gather at the planned meeting spot following your family's emergency evacuation plan. Dial 9-1-1 upon reaching safety outside and remain outside until the situation is ...10-Year Sealed Battery Operated Alarms. P4010DCS-W: Smoke Alarm with Wire-Free Interconnect. P4010LDCS-W: Smoke Alarm with Wire-Free Interconnect and Emergency Safety Light. P4010DCSCO-W: Combination Smoke and CO Alarm with Wire-Free InterconnectJan 24, 2024 · Regularly checking and replacing batteries in your fire alarms is crucial for maintaining their effectiveness. Faulty Sensor. Another possible cause of incessant beeping from your Kidde fire alarm could be a faulty sensor. Smoke detectors are equipped with sensors that detect smoke particles in the air, triggering an alarm when necessary. The Kidde KN-COSM-XTR-BA uses breakthrough technology to offer a fast response to real fires, including smoldering and fast-flaming, as well as protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms. In addition, the Intelligent Alarm contains a voice warning that clearly states the present danger - smoke or ...If hot, or if you see smoke seeping through cracks, do not open that door! Instead, use your alternate exit. If the inside of the door is cool, place your shoulder against it, open it slightly, and be ready to slam it shut if heat and smoke rush in. Stay close to the floor if the air is smoky. Breathe shallowly through a cloth, wet if possible.Every year, thousands of lives are lost to house fires. In many cases, these tragedies could have been prevented with the simple installation of a smoke alarm. However, not everyon... ….

Kidde 900-0119 uses breakthrough technology to offer a fast response to real fires, as well as protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms. ... this alarm will beep two times every 30 seconds to indicate it is time to replace the alarm. Alarm Memory: The green LED will flash every second during alarm ...Here are the most common reasons your hard-wired smoke detector keeps beeping. 1. Dead battery. It beeps for a few reasons. These hard-wired detectors have a battery as backup power in case of energy interruptions. The alarm will send short beeps if the battery is almost dead. The only solution to it is replacing the battery.Anytime the alarm sounds, whether it is an alarm with a digital display or not, it should be treated as a potentially serious situation. The concentration of CO is a determining factor in the symptoms for an average, healthy adult.* 50 ppm: No adverse effects with 8 hours of exposure. 200 ppm: Mild headache after 2-3 hours of exposure.We have a kidde ionization smoke alarm i12010S that is beeping every 60 seconds. It is hard wired and we pressed the side elements to separate the unit but it keeps beeping. A friend said use wire cutters and cut one wire at a time making sure none of the wires are near each other. So which of the wires do I cut first.Press the button on your Smoke + Carbon Monoxide Alarm with smart features for about 8 seconds and you will hear 3 consecutive beeps. Upon release of the button, you should hear, "Resetting wireless settings. Ready to connect, follow quick start instructions." Your alarm is now factory reset.Regularly checking and replacing batteries in your fire alarms is crucial for maintaining their effectiveness. Faulty Sensor. Another possible cause of incessant beeping from your Kidde fire alarm could be a faulty sensor. Smoke detectors are equipped with sensors that detect smoke particles in the air, triggering an alarm when necessary.This smoke alarm is available in a 6-piece cut case with tray for easy display as well as a 6-piece bulk pack for contractors and property owners. This unit is a UL Listed product with a 10-year limited warranty. Part Number (Ordering Number): 21006378. The Kidde i12040A is an AC/DC powered, ionization smoke alarm that operates on a 120V power ...Protect your family with the Kidde Firex Combination Smoke & Carbon Monoxide Detector. The ionization Kidde Firex Combination Smoke & Carbon Monoxide Detector operates on 2-AA alkaline batteries & front-load ... I tested this unit, and in few seconds after exposing to smoke it started beeping 3 times each several times and then I heard the ...Removing an AC hard-wired or interconnected alarm. Remove the alarm from the trim ring by rotating the alarm counter-clockwise, in the direction of the OFF arrow on the cover. Disconnect the AC power harness by squeezing the locking arms on the sides of the quick connector while pulling the connector away from the bottom of the alarm. Kidde smoke alarm beeping 3 times, Kidde 900-0119 uses breakthrough technology to offer a fast response to real fires, as well as protect you from carbon monoxide and dramatically reduce the chance of nuisance alarms. ... this alarm will beep two times every 30 seconds to indicate it is time to replace the alarm. Alarm Memory: The green LED will flash every second during alarm ..., The unit shall have audible methods for warning of smoke or fire danger: a piezoelectric horn, rated at 85 decibels at 10 feet, and a voice warning. In alarm, the horn will sound in the repetitive manner – three long beeps, a 1.5 second pause, three long beeps, repeating. In between, the unit will announce a voice warning, “Fire!” , Even those models that do both jobs (smoke and CO2) should have green, yellow and red lights. When the green light is blinking on your carbon monoxide detector, it means all is well, and the device is working. Your CO2 monitor light should always be …, Specifications. Documents. The Kidde i12010S is an AC/DC powered, ionization smoke alarm that operates on a 120V power source with sealed-in lithium battery backup. This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms., More. Are you looking for help with Kidde? Learn more about Getting Started - Smoke + CO Alarm with smart features, General - Smoke + CO Alarm with smart features, Quick Tips - Smoke + CO Alarm with smart features, Troubleshooting - Smoke + CO Alarm with smart features, Legal, Getting Started - Smoke + Carbon Monoxide Alarm with Indoor Air ..., In the App: During a CO event, open the Kidde app. On the screen press the button "Locate active alarms." This will silence other alarms and only the initiating alarm will continue beeping. "Locate" will silence all the non-initiating alarms for 2 mins. Locate function works only for your Kidde Smoke + Carbon Monoxide Alarms with smart features ..., 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., Getting Started - Water Leak + Freeze Detector. Is this device battery operated and are batteries included? How do I set up, connect to Wi-Fi, and enroll my Water Leak + Freeze Detector? How can I ensure my Wi-Fi network is on a compatible 2.4 GHz band?, The smoke alarm pattern is three long beeps with voice "Fire!," a 1.5-second pause, and three long beeps repeating. The red LED blinks in time with the alarm pattern. The carbon monoxide (CO) alarm pattern is four quick beeps with voice "Warning!, Troubleshooting Your Kidde Carbon Monoxide Alarm Beeping • Silence that annoying beeping from your Kidde Carbon Monoxide alarm with our troubleshooting guide..., The Kidde P4010ACLEDSCOCA is an integrated 120 V AC wire-in smoke and carbon monoxide alarm with 10-year sealed battery backup and LED strobe light that provides temporal patterns, visual and voice warnings. The model P4010ACLEDSCOCA is equipped with a 177 candela strobe light (powered by Cree® LEDs), designed to notify the deaf and hard of ..., The carbon monoxide (CO) alarm pattern is four quick beeps with voice "Warning! Carbon Monoxide." repeating every 5 seconds. The red LED blinks in time with the alarm pattern., Step 1: Turn off the Power: The first step in resetting a smoke detector is to turn off the power to the device. This ensures your safety during the process and prevents any potential electrical hazards. To turn off the power, locate the circuit breaker panel in your home. This panel is usually found in the basement, garage, or utility room., This Kidde Alarm Chirps For A Low Battery, & For End Of Life Also Flashing The Red Light.In this video I look into resetting the sensor, and also how to fit ..., The CO alarm will beep every 30 seconds or display ERR or END. If a CO alarm is at its end-of-life, replacing the battery will not stop the beep. Some CO alarms have a feature that will silence the signal for 30 days, but this will not solve the issue as the CO alarm will continue to beep after the 30 day period ends. What people should know, 1. Smoke Alarm: What To Do When the Alarm Sounds The smoke alarm pattern is three long beeps with voice "Fire!," a 1.5 second pause, and three long beeps repeating. The red LED blinks in time with the alarm pattern. • Alert small children in the home as well as anyone else that might have difficulty recognizing the importance of the, Toggle the room’s circuit breaker. Remove the batteries from the smoke alarms ‘ battery compartment. Hold down the test and shush buttons on your smoke alarm for 15 seconds. Put the batteries back in. You might consider changing the Kidde alarm’s internal batteries if that didn’t work., Documents. The Kidde P4010ACLEDSCA is an integrated 120 V AC wire-in smoke alarm with 10-year sealed battery backup and LED strobe light that provides temporal patterns, visual and voice warnings. The model P4010ACLEDSCA is equipped with a 177 candela strobe light (powered by Cree® LEDs), designed to notify the deaf and hard of hearing., Kidde designs and develops smoke alarms, carbon monoxide alarms, fire extinguishers and more. It’s a wide range of solutions, but they all share a common purpose – protecting people and property from the effects of fire and its related hazards., Reset your device. To do so, press the Test/Hush button on its face for about 8 seconds. You will hear 2 consecutive beeps. Upon release of ... I notice that the temperature on my thermostat and the temperature displayed in the Kidde app is different., Why does my carbon monoxide alarm beep or chirp? The battery may be loose or improperly installed. Verify that battery of the recommended type is securely installed. the battery may be low and require renewing. The alarm may be malfunctioning. The alarm may have reached the end of its life., Based on recommendations from EN50292, follow these steps if alarm sounds: 1. Keep calm and open all doors and windows. Turn off all fuel-burning appliances if possible. Note: it is possible that outdoor conditions could influence domestic CO alarms (bad traffic pollution in cold weather, for example)., Use 1.5mm 2 minimum solid or stranded wire with a rating of 230V. When interconnecting, maximum wire length between any two is 450 m for 1.5mm 2 or 1200 m for 2.5mm 2 (20 OHMS loop resistance). This smoke alarm may be interconnected with as many as 24 other Models. Connect smoke alarms to a single AC branch circuit., Carbon Monoxide Detector Replacement FAQs. To determine if your carbon monoxide non-digital alarm has reached its end of life, refer to the following: When the CO alarm emits a quick beep every 30 seconds and the red LED flashes, the unit has reached the end of its 7 or 10 year life. Replacing the batteries will not stop the chirp if the unit ..., Toggle the room’s circuit breaker. Remove the batteries from the smoke alarms ‘ battery compartment. Hold down the test and shush buttons on your smoke alarm for 15 seconds. Put the batteries back in. You might consider changing the Kidde alarm’s internal batteries if that didn’t work., Alarm Sound. April 20, 2021. All of our alarms produce a sound with a frequency of approximately 3000 hZ, which is considered low midrange on the audio spectrum frequency range. At 10 feet, the sound is 85 decibels. Back to Support Center., Carbon monoxide detectors are time-weighted alarms. The way a time-weighted alarm works is by measuring the buildup of carbon monoxide in a house as time passes. For a person to begin feeling the effects of carbon monoxide poisoning, they would need to be exposed to a carbon monoxide level of 50 parts per million (PPM) for eight hours., Why is my Kidde smoke alarm beeping 3 times? If the alarm does sound the smoke alarm pattern of 3 long beeps, check for fires first. If the smoke is not too dense, the alarm will silence immediately and the red LED blinks every 10 seconds. This indicates that the alarm is in a temporarily desensitized condition., If a carbon monoxide detector went off and then stopped, this is due to the battery starting to age or die. To fix the issue, disconnect the carbon monoxide detector, remove the battery, reset or replace it, and then restart the unit. This will take care of the problem and make sure the detector is working the way it should., The alarm didn't pass a self test or it has expired. Replace it. Twist off the alarm from the base, check to see if it has wires or if it is wireless. Go to your local HD or Lowes and pick up a new one. If all of the smoke detectors in your house look the same, repeat the first step and all of them and replace them all., Firex 120V AC Wire-in Smoke Alarm. i5000. The Kidde i5000 is an AC/DC powered, ionization smoke alarm that operates on a 120V power source with 9V alkaline battery backup. This alarm uses ionization sensing technology. Ionization sensing alarms may detect invisible fire particles (associated with flaming fires) sooner than photoelectric alarms., Provides protection from two hazards – fire and CO – in one unit with 10-year sealed lithium battery backup. Part Number - 21010408-N. The Kidde i12010SCO is a hardwired combination smoke and carbon monoxide alarm that contains a 10-year, sealed battery backup. This alarm uses breakthrough technology to offer a fast response to real fires ..., † Interconnectable to other Kidde/Nighthawk brand smoke and CO alarms (see page 15 for details). SMOKE ALARM: The alarm pattern is three long alarm beeps, which will repeat until the smoke is eliminated. The red LED light will flash with the alarm beeps.. LOW BATTERY: If the battery is low, the red LED light will flash