First Alert Smoke Alarm 9120B Battery Replacement

Geschrieben von: Miggy Reyes
  • Kommentare: 2
First Alert Smoke Alarm 9120B Battery Replacement

Schwierigkeitsgrad

Easy

Schritte

7

Zeitaufwand

1 - 3 Minuten

Einleitung

Follow this guide to fix your First Alert Smoke alarm. This fix will stop the First Alert Smoke alarm from beeping when your battery is low.

Make sure you have your 9V battery in hand and a helper to make sure that you do not fall from your stool. These alarms are usually found mounted into your ceiling so please take precautions when unmounting the alarm.

As you will be working with wires, please make sure that you are gentle with the alarm since it is easy to break the covered wires if you are too aggressive with it. All of these steps should require very little strength. If you find yourself needing to force things into place, please review the steps to make sure you are properly uninstalling/installing the smoke alarm.

Werkzeuge

Ersatzteile

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    • Remove the alarm by rotating it counter clockwise in the mount.

    • The alarm should fall off once rotated enough. The cable should be the only thing holding it in place if done correctly.

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    • Unplug the cable from the alarm.

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    • Press down on the catch on the top left of the alarm to open the battery compartment.

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    • Remove the battery and dispose of it properly.

    • Replace the old battery with a new 9V battery and close the compartment.

    • You should hear a click to know that the compartment is secured.

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    • Line up the holes of the cable on the mount with the pins on the alarm.

    • Reconnect the cable on the mount to that on the alarm.

    • It should insert itself with minimal force.

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    • Press the alarm into the mount.

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    • Rotate the alarm clockwise until it does not turn anymore. This makes sure the alarm is secured.

Tinte & Feder

Miggy Reyes

Mitglied seit: 15/02/21

219 Reputation

2 Kommentare

How do I disconnect the cable? Seems very tight and cannot disconnect.

Jeanne O -

This is related to first alert smoke alarm 9120B. Can not remove connecting cable from alarm. Is very tight. So unable to change battery. Any suggestions?

Jeanne O -