This means they do not get the same cleaning and dusting treatment the rest of our homes get. Fully close the battery cover on the smoke detector unit. Have You Scheduled Your Annual Furnace Cleaning And Inspection Yet Call Us Today At 251 473 5788 Prof Electrical Safety Energy Saving Tips Power Restoration Turn off the power to the smoke detector at your circuit breaker. . As the battery ages the output voltage decreases. New Mesh Red Fire Alarm Red Fire Fire Alarm Mesh. Remove the battery from the smoke detector if there is a battery. Another reason behind the fire alarm beeping 3 times can be that the smoke alarm youre using is too sensitive or intelligent enough to detect even a little smoke. If the battery isnt changed and the battery voltage gets low enough to. Nurses hustled quietly along the corridor leaving and entering rooms with a. If you were cooking when your smoke detectors started beeping al...