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LED Light Indicators on X-Sense Alarms

By HopeCharlotte |

There is no doubt about the function of the smoke detector. Some smoke detectors also come with different LED lights. These LED lights have different meanings. If your smoke detector displays a steady or blinking light, without an alarm, this indicates that your smoke alarm is getting its required power supply. However, the color of an LED, as well as the pattern in which it blinks, may vary from one smoke detector to another. On this page, we are going to talk about the LED lights on X-sense smoke alarms and what do these lights indicate. 

Understanding the Smoke Detector's Lights

As mentioned earlier, LED lights on different smoke detectors have different meanings. The X-sense smoke alarm comes with three different LED lights, green, yellow, and red.

  • Green LED light indicates that your X-sense smoke detector is working properly.
  • Yellow LED light indicates that the battery of your smoke detector is running low or your X-sense smoke alarm is malfunctioning. 
  • Red LED light indicates that there is the presence of smoke at dangerous levels. 

This might have come to your mind that these LED lights are somehow similar to the traffic lights, such as green light indicates safety, yellow light a warning, and red light a danger. Make sure you know what your smoke alarm is trying to indicate and understand the meaning so that you can take necessary precautions. 


If you want your smoke detector to work properly and alert you whenever there is damage. , you need to take care of it. What you can do is to carry out general maintenance, test your smoke alarms, and clean your alarms. Your "how-to" guide is described below. Just follow the instructions and keep your smoke alarm in optimal condition. 

1. General Maintenance of Smoke Alarms:

To make it easy for you, below are given some general maintenance tips for different types of alarms.

2. Hardwired Smoke Alarms:

Hardwired smoke alarms are connected to the electrical supply of your home. Therefore, you don't have to worry about replacing its battery as much. Moreover, these smoke alarms also come with a back-up battery to carry on its duty even during power outages. The general maintenance of hardwired smoke alarms include:

  • Testing the smoke alarm once a week
  • Cleaning it monthly
  • Replacing the battery once per year
  • Replacing the smoke detector unit after 10 years.

By doing this, you can be sure that your smoke alarm is in its best condition.

3. AA or 9V-Battery-operated Smoke Alarms:

The general maintenance steps of battery-operated smoke alarms that contain 9V or AA batteries are similar to those of hardwired smoke alarms such as:

  • Testing the smoke alarm once a week
  • Cleaning it monthly
  • Replacing the battery once per year
  • Replacing the smoke detector unit after 10 years.

4. 10-yeard sealed battery-operated Smoke Alarm:

This is the smoke alarm that is operated by battery but you don't have to worry about replacing its battery. The reason is that you will have to replace the entire unit after 10-years. Thus, you can be stress-free for 10 years. General maintenance steps for this smoke alarm are also somewhat similar to those of other smoke alarms such as:

  • testing the alarm once 
  • Cleaning it monthly
  • As said earlier, you can't change its battery because it comes with a sealed battery, you need to replace the smoke alarm every 10 years.

5. Testing Your Smoke Alarms:

In addition to general maintenance, to make sure that your smoke detector is in its best condition and is working properly, you should test your smoke detectors as well. There is a test button on the unit that can ensure that your smoke detector is getting appropriate power supply. 

6. Instructions:

The Test/Silence button on the smoke alarm unit displays a test sequence when you press it. But make sure you are wearing ear protection. Moreover, for full instructions, you can see the user's manual of your smoke alarm. 

7. How Does the Test Button Work?

You should be well aware of a device that you are using for your protection. If you are using Ionization smoke alarms, you should first know how it works. There is radioactive material in the sensing chamber that ionizes the air which creates a current between two charged electrodes. The smoke that enters the chamber disrupts the flow of current and turns off the alarm. 

When you press the test button, the sensing chamber gets an electric load which causes the smoke alarm to sound as it has detected smoke. This is a reliable way to test the battery, circuit, and the sensing chamber.

However, if you have photoelectric smoke alarms, it has a sensor that senses light and a diode that emits light. Both of these are located in the sensing chamber. When smoke enters the chamber it scatters the light and turns off the alarm. 

Similarly, the reflective material comes in front of the LED when you press the test button. This causes light to scatter in the sensing chamber, that is what smoke does. Thus, it tests the battery and the unit as well. 

In the case of carbon monoxide detectors, the test button that is present on the top of the unit helps you to make sure that your smoke alarm, whether it is hardwired or battery-operated, is receiving the appropriate power supply. 

These were the guidelines that you can follow to test your smoke alarms. However, make sure you never use exhaust or real smoke to test your smoke detectors.

8. Cleaning Your Smoke Alarms:

Dirt can compromise the function of your smoke detector. Therefore, make sure that you clean your smoke detector at least once a month so that CO or smoke can enter the sensing chamber of your alarm. You can clean the smoke alarm by following instructions

Use a soft brush attachment of your vacuum and clean the outer area of the smoke alarm gently. You can also use compressed air can for this purpose. 

Following the above-mentioned instructions, you can keep your smoke alarm clean and at its optimal condition. This will help you make sure that you are being protected. 

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