Remove the alarm from your. Webhow to change first alert alarm batteries. Webif your smoke alarm is chirping even though it has a new battery, try these troubleshooting steps to clear out residual charge from the old battery.

Make sure you have your 9v battery in. Before you start replacing batteries in your first alert smoke detector, it's important to consult your manual for. Webfollow this guide to fix your first alert smoke alarm.