If troubleshooting does not fix the problem with your alarm or if the smoke alarm does not sound when its "TEST" button is pressed for at least three seconds, it must be replaced. Return it to the manufacturer for a replacement if it's still under warranty. Sep 8, 2022 Kameleon007/iSt...
Verifies Sensor •Interc onnec t Test –Initiating alarm sounds separately from intercon- nected alarms •Ionization Smoke Detector Technology Fully Interconnectable with MOST Firex Smoke, CO and Heat Alarms for Quicker Response Time The 12000 Smoke/CO Combo SMOKE & CARBON MONOXIDE ALARM ...