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Apr 4, 2019 · Below are the most common causes of smoke alarm malfunction. 1. Improper smoke detector placement. It doesn't take a lot of smoke to trigger the alarm. If your smoke detector is within 10 feet of a cooking appliance such as your stove, toaster, or toaster oven, this may cause your false alarms.
If the alarm stopped on its own before you could find that flashing light, the initiating unit will flash for 1.5 seconds every 10 seconds. If there are no obvious signs of a fire, the alarm should be cleaned before being reinstalled. False alarms are most commonly caused by something interfering with the sensor.
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- Burnt Food on Stovetop. If you don’t supervise the stove when cooking, your dinner may produce smoke, which activates the smoke alarm. In some cases, smoke isn’t even necessary — a hint of burnt food can be enough to set off the detector.
- Burnt Toast or Popcorn. Leaving bread in the toaster or popcorn in the microwave for a little too long can happen to the best of us. That sends heavy particles into the air, which your smoke alarm picks up.
- Fireplaces. Fireplaces can also cause smoke alarm randomly going off. Your fireplace can sometimes send smoke into your house, which is the reason why fire alarm keeps going off.
- High Humidity. Smoke alarms don’t always distinguish between smoke particles and moisture content. Thus, the density of the moisture particles can trigger your alarm, even if they’re water particles.
Many things can trigger smoke detectors to sound false alarms, the most apparent being dust and debris. Over time, dust and debris can accumulate within a smoke detector, affecting the sensor’s ability to detect smoke causing false alarms. Another culprit is aging sensors. As sensors age, they become unreliable and prone to false alarms.
- Smoke from burnt food or cooking. Kitchens are frequent offenders when it comes to smoke detector false alarms. Burnt popcorn or overly cooked remnants at the bottom of toasters seem to be particularly troublesome.
- Fireplace or outdoor smoke blowing indoors. If your fire alarm is installed near your fireplace or near the back patio and grill, there's a chance the smoke from these common household features could be setting off your smoke detector.
- Steam or High Humidity. Sometimes, smoke detectors are unable to distinguish between smoke particles and heavy moisture content in the air. If you live in an area with high humidity, there's a chance these heavy water particles are triggering your fire alarm.
- Low Battery Life. If you do not have a hardwired smoke detector. You may get a false alarm if the battery life is fading or if the detector isn't properly connected.
An alarm will chirp every 30 to 60 seconds for a minimum of seven days With a "low battery" announcement, disconnect the unit and replace the batteries. You can also put a unit into low battery hush for up to 12 hours on newer units by pressing the test/hush button
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Smoke alarms generally have a lifespan of about 10 years. When they reach the end of their lifespan, smoke alarms may give off false alarms. In conclusion, learning causes smoke detector false alarms can help homeowners eliminate these false triggers. And by following these tips, their smoke detectors will sound only when a real danger is ...
