How Do You Change The Battery In A First Alert Smoke Alarm 9120b

How to Change the Battery in a First Alert Smoke Alarm 9120B

Ensuring that your smoke alarm is in good working condition is crucial for the safety of your home and family. Replacing the battery in your First Alert Smoke Alarm 9120B is an essential part of maintaining its functionality. Here's a detailed guide to help you through the process:

Gather Your Materials

First Alert Smoke Alarm 9120B
New 9-volt battery

Locate the Battery Compartment

Remove the smoke alarm from the ceiling or wall by rotating it counterclockwise.
Flip the smoke alarm over to expose the battery compartment.

Open the Battery Compartment

Locate the small latch on the side of the battery compartment.
Gently push the latch inwards while pulling the compartment cover upwards.

Disconnect the Old Battery

Disconnect the old battery from the terminals by gently pulling it upwards.
Dispose of the old battery properly.

Install the New Battery

Align the positive (+) terminal of the new battery with the positive terminal in the compartment.
Connect the battery securely to the terminals by pressing it down firmly.
Make sure the battery is facing in the correct direction.

Close the Battery Compartment

Place the battery compartment cover back onto the smoke alarm.
Push the compartment cover down securely until it clicks into place.

Reinstall the Smoke Alarm

Rotate the smoke alarm clockwise to reinstall it onto the ceiling or wall.
Ensure that it is securely fastened.

Test the Smoke Alarm

Press the "Test" button located on the front of the smoke alarm.
Listen for a loud, continuous alarm sound.
If the alarm does not sound, repeat the steps mentioned above and ensure that the battery is properly connected and the smoke alarm is installed correctly.

Additional Tips

Replace the battery every 6 months to ensure optimal performance.
Use alkaline batteries for longer battery life.
If the smoke alarm chirps every minute, it indicates a low battery. Replace the battery immediately.
Vacuum the smoke alarm regularly to remove any dust or debris that may accumulate.

By following these steps, you can safely and effectively change the battery in your First Alert Smoke Alarm 9120B, ensuring that it continues to protect your home and family from potential fire hazards.