1. Important Safety Information
Please read this manual thoroughly before installing and operating your Kidde Smoke Detector Alarm. Failure to follow these instructions may result in improper operation of the alarm and could lead to property damage, injury, or death.
- This smoke alarm is designed for residential use.
- Do not paint the smoke alarm. Paint can clog the sensing chambers and prevent the alarm from operating correctly.
- Test the smoke alarm weekly to ensure proper function.
- Replace batteries immediately when the low battery warning sounds.
2. Package Contents
Your Kidde Smoke Detector Alarm package includes:
- Kidde I9050 Smoke Detector Alarm unit(s)
- 9V Battery(ies) (included for each unit)
- Mounting bracket(s)
- Mounting screws

This image displays three Kidde I9050 smoke detector units. Each unit is round, white, and features a central test button, ventilation slots, and 'TWIST ON' and 'OFF' indicators for installation and removal.
3. Setup and Installation
3.1 Battery Installation
- Remove the mounting bracket from the back of the alarm by twisting it counter-clockwise.
- Locate the battery compartment.
- Insert the 9V battery, ensuring correct polarity. Note: Some units may ship with the battery intentionally inserted upside down for shipping. Ensure the positive (+) and negative (-) terminals align correctly with the markings in the compartment.
- Close the battery compartment.
3.2 Mounting Location
For optimal protection, install smoke alarms in every sleeping room and on every level of your home, including the basement. Place alarms in hallways outside of sleeping areas. Avoid installing in kitchens, bathrooms, or garages where steam, cooking fumes, or exhaust can cause false alarms.
3.3 Mounting the Alarm
- After installing the battery, attach the mounting bracket to the ceiling or wall using the provided screws. Ensure the bracket is securely fastened.
- Align the alarm unit with the mounting bracket and twist clockwise until it locks into place. The alarm should feel secure.
- Test the alarm immediately after installation (refer to Section 4.1).
4. Operation
4.1 Testing the Alarm
Test your smoke alarm weekly to ensure it is functioning correctly.
- Press and hold the test button located on the cover of the alarm.
- The alarm will sound a loud, pulsating horn. This indicates the alarm is working.
- Release the button. The alarm will stop.
- If the alarm does not sound, refer to the Troubleshooting section.
4.2 Indicator Light
The red LED indicator light on the alarm will flash approximately once every 30-40 seconds. This indicates that the alarm is receiving power and functioning correctly.
5. Maintenance
5.1 Battery Replacement
The alarm will chirp approximately once every 30-40 seconds when the battery is low. Replace the 9V battery immediately when this occurs.
- Twist the alarm unit counter-clockwise to remove it from the mounting bracket. The bracket will remain on the ceiling/wall.
- Open the battery compartment and remove the old 9V battery.
- Insert a new 9V battery, ensuring correct polarity.
- Close the battery compartment.
- Re-attach the alarm unit to the mounting bracket by twisting clockwise until it locks.
- Test the alarm after replacing the battery.
5.2 Cleaning Your Alarm
Clean your smoke alarm at least once a month. Use a soft brush or vacuum cleaner with a soft brush attachment to remove dust and debris from the alarm's cover and ventilation openings. Do not use water, cleaners, or solvents, as these can damage the unit.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Alarm does not sound during test. | Dead or improperly installed battery. | Check battery polarity, replace battery if necessary. |
| Alarm chirps every 30-40 seconds. | Low battery. | Replace the 9V battery. |
| False alarms. | Cooking fumes, steam, dust, or insects. | Relocate alarm if consistently triggered by normal activities. Clean the alarm. |
| Red LED not flashing. | No power or faulty unit. | Check battery installation. If issue persists, replace the unit. |
7. Specifications
- Model: I9050 (Internal Model Number: KC-06457)
- Power Source: 9V Battery (included)
- Alarm Type: Audible
- Color: White
- Product Dimensions: Approximately 1 x 1 x 2 inches
- Item Weight: Approximately 16 ounces (1 Pound)
- UPC: 797373432841
- Manufacturer: Kidde
8. Warranty and Support
For warranty information or technical support, please contact Kidde customer service. Refer to the packaging or the official Kidde website for the most current contact details and warranty terms.
It is recommended to keep your purchase receipt as proof of purchase for warranty claims.







