First Alert 9120B Smoke Detector & Alarm, AC Powered With Battery

First Alert 9120b Flashing Green. BRK First Alert, SC9120B Battery Operated Smoke Detectors Wholesale Home You may also need to replace the batteries if the battery is low First Alert smoke detectors · First Alert 9120B manual

Ac powered smoke alarms with battery back-up and silence 120v ac ~, 60 hz, 0.04a (2 pages) LED (Red or Green Lights) Normal Operation Green LED ON; flash- (AC Power) ing Red LED once/ minute Normal Operation Green LED OFF; (DC Power - 9120B Red LED flashes only) once/minute DURING TESTING Red LED.

9120b First Alert Manual

Frequently asked questions to help with your First Alert smoke alarm, carbon monoxide alarms, fire extinguisher, safes and more. View the First Alert 9120B manual for free or ask your question to other First Alert 9120B owners the power first may result in serious electrical shock, injury or death

First Alert Smoke Alarm 9120B eBay. If it is a First Alert detector, that means at some point the detector went off and sounded LED (Red or Green Lights) Normal Operation Green LED ON; flash- (AC Power) ing Red LED once/ minute Normal Operation Green LED OFF; (DC Power - 9120B Red LED flashes only) once/minute DURING TESTING Red LED.

First Alert Smoke Alarm 9120b Green Light Blinking. First Alert smoke detectors · First Alert 9120B manual A flashing green light is a normal part of the power up cycle