Why does my Firex Smoke Alarm keep beeping?
- Vvanessa31Aug 16, 2025
If your Firex Smoke Alarm beeps about once a minute, turn off the power and replace the battery. After replacing the battery, ensure the Red LED is extinguished.
Why does my Firex Smoke Alarm keep beeping?
If your Firex Smoke Alarm beeps about once a minute, turn off the power and replace the battery. After replacing the battery, ensure the Red LED is extinguished.
What to do if interconnected Firex Smoke Alarms don't sound during a test?
If interconnected Firex Smoke Alarms do not sound when the system is tested, make sure to press and hold the test button for at least three seconds after the first unit sounds.
Why does my Firex Smoke Alarm sound different?
The Firex Smoke Alarm is operating correctly. This alarm features the internationally recognized horn signal for evacuation.
Why does my Firex AD Smoke Alarm beep every 60 seconds?
If your Firex Smoke Alarm beeps every 60 seconds and the LED blinks, it means the battery is low. You should replace it immediately.
What to do if Firex Smoke Alarm beeps once a minute?
If your Firex Smoke Alarm beeps about once a minute, turn off the power and replace the battery. Consult the “Battery Replacement” section in the MAINTENANCE AND CLEANING section.
What does it mean when my Firex Smoke Alarm LED blinks and then beeps?
If the LED on your Firex Smoke Alarm blinks and the alarm beeps 30 seconds later, repeating at 60-second intervals, it means the unit is inoperable. You should replace it or return it for repair immediately.
How to troubleshoot a Firex AD Smoke Alarm that won't sound?
If your Firex Smoke Alarm does not sound when tested, ensure you press the test button for at least five seconds. If it still doesn't sound, check that the AC power is on. Then, turn off the power and remove the smoke alarm from the mounting plate to check if the connector plug is securely attached. Also, verify that the battery is properly connected. As a final step, try cleaning the smoke alarm.
How to fix Firex AD Smoke Alarm that doesn't sound when tested?
If your Firex Smoke Alarm doesn't sound when tested (and you've held the test button for at least five seconds), follow these steps: First, ensure that the AC power is turned on. If it is, turn off the power, remove the smoke alarm from its mounting plate, and check that both the connector plug and the battery are securely attached. Finally, clean the smoke alarm.
Why don't my interconnected Firex Smoke Alarms sound when tested?
If your interconnected Firex Smoke Alarms don't sound when tested, make sure to press and hold the test button for at least three seconds after the first unit sounds.
How to fix Firex AD Smoke Alarm that does not sound when tested?
If your Firex Smoke Alarm does not sound when tested, check that the AC power is turned on. Then, turn off the power and remove the smoke alarm from the mounting plate. Check that the connector plug is securely attached and that the battery is properly attached to the connector. It may also help to clean the smoke alarm.
Power Source | 9V Battery |
---|---|
Sensor Type | Ionization |
Alarm Sound | 85 dB at 3m |
Operating Temperature | 40°F to 100°F (4°C to 38°C) |
Weight | 0.3 lbs (136g) |
Compliance | UL 217 |
Smoke alarm powered by 120V AC with 9V battery backup for added protection.
Unique power connector, interconnection limits, and battery missing lockout.
Description of LED status lights and the loud 85-decibel alarm horn.
Functionality of the test button and False Alarm Control™ feature.
Covers power requirements, battery use, installation by electricians, and household limitations.
Discusses limitations in detecting fires and ensuring all household members are alerted.
Details standard placement requirements for sleeping areas and additional protection areas.
Specific installation advice for efficiency apartments and mobile homes.
Installation advice for single-story and two-story/split-level homes, including basements.
Guidance on ceiling vs. wall mounting and placement relative to corners.
Lists locations such as kitchens, bathrooms, and near vents where alarms should not be placed.
Dangers of electrical shock and requirements for qualified electricians during installation.
Detailed instructions for mounting the alarm, connecting wires, and installing the battery.
Instructions on using #18 AWG wire and limitations on the number of interconnected alarms.
Explanation of what different LED light patterns signify on the smoke alarm.
How to quiet unwanted alarms for up to 15 minutes using the test button.
Weekly testing procedure, including checking AC power and testing alarm functions.
Instructions for replacing the 9-volt battery and recommended battery types.
How to clean the alarm using a vacuum or damp cloth, and warranty voiding warnings.
Information on attempting repairs (voids warranty) and returning units for service.
Advice on creating and practicing escape plans, and what to do in case of a fire.
Solutions for alarms that do not sound when tested or beep intermittently.
Addresses nuisance alarms and the new alarm sound pattern for evacuation.
Details the 5-year smoke alarm and 10-year battery warranty terms and limitations.
Provides addresses for returning smoke alarms or lithium batteries for warranty service.