Download smoke detector red10/15/2023 ![]() Most smoke detectors simply require a quarter turn counterclockwise. Remove the detector from the mounting.X Trustworthy Source National Fire Protection Association Nonprofit organization devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards. Remember that smoke detectors should be replaced every 10 years, even if replacing the batteries fixes them temporarily. Replace the batteries in the units you’ve identified as malfunctioning and re-test them. If a unit is making a chirping sound, the batteries need replacing. Some smoke detectors have batteries, which should be replaced twice a year. Any new codes generated and learnt by the alarms will override old codes.Check the batteries on malfunctioning units. This can be done by placing all the alarms into ‘LEARN’ mode and pressing down on one of the alarms – this becomes the ‘Master’. Try reprogramming the entire family of alarms.The ‘LEARN’ mode switch can be found at the back of the alarm. Check first the alarm has been placed into ‘LEARN’ mode.The alarm won’t interconnect with the other Wireless Family alarms: ![]() – Always install the smoke alarm at least 100cm from this type of equipment. These fields are often formed around fluorescent lamps, “down lights”, transformers for light, fuse boxes, fan motors etc. EMC Electromagnetic fields can interfere with the electronics of the smoke alarm.In areas where steam or high humidity gathers, this will sometimes trigger a false alarm. The alarm will need to be vacuumed as part of maintenance. Dust particles and insects can get in and live inside the chamber, they can cut out the optical light and create a false alarm.The alarm that has been activated will be the only alarm that flashes red.
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