How to Remove Alarm Sensor from Door Frame

Do you have an operational alarm system in your home but need to remove a sensor from the door frame? It can be confusing and intimidating to take apart your alarm system — especially if it is already installed — but with the right steps conducted in order, the removal of an alarm sensor can be quickly and easily accomplished.

How to Remove Alarm Sensor from Door Frame

In this blog post, we will discuss how to remove alarm sensor from door frame mount so that you can move it or replace it as necessary. Read on to learn more about how to complete this task!

How Do You Trick a Door Sensor?

If you’re looking for a way to bypass an alarm sensor without actually removing it, there are a few options. One is to use a wireless jamming device. These devices typically operate on the same frequency as the door sensor and interfere with its signal, making it seem like nothing is blocking the doorway.

Another option is to use a device that sends a false signal to the sensor, which tricks it into thinking there’s no obstacle. Finally, you can wrap an insulated material around the sensor itself, preventing any signals from getting through. Of course, these methods should only be used in non-life-threatening situations and with permission from the owner of the alarm system.

Some Alarm Systems May Have Backup Sensors

Additionally, it’s important to note that some alarm systems may have backup sensors or other methods in place to alert you if something is blocking the doorway. Finally, using any of these methods to bypass an alarm system can be considered illegal and should only be done with permission from the owner.

Overall, while there are ways you can trick a door sensor, it’s generally much less complicated and safer to just remove it from the frame using the instructions listed above. This will keep you from potentially getting into legal trouble and ensure that your alarm system is still operational. However, if necessary, you can use any of these methods mentioned above to bypass an alarm sensor without actually removing it.

9 Methods How to Remove Alarm Sensor from Door Frame

1. Shut off the Electricity:

Before attempting to remove an alarm sensor from a door frame, it is essential to shut off all the electrical connections with the device. This can be achieved by turning off the power at the breaker box or unplugging the sensor from its power source.

It is also important to wear protective gloves and proper clothing while dealing with any electrical connections. If the sensor is still operational and there is any doubt of electrical current, it should be tested with a non-contact voltage tester to ensure safety. However, it is always beneficial to contact a professional electrician or alarm installer for assistance if necessary.

2. Gather Appropriate Tools:

In order to safely remove an alarm sensor from a door frame, you need to have certain tools at your disposal. These items include a flat-head screwdriver, masking tape, needle-nose pliers, and possibly a pair of wire cutters, depending on your type of alarm system.

Make sure you have these items on hand before beginning the removal process. If you don’t have any of these items, they can be easily found at a local hardware store.

3. Disconnect Wiring:

Disconnect Any Wiring

After securing all necessary tools and turning off the electricity connection with the alarm sensor, you need to disconnect any wiring that may be connected to it. If there are no wires visible, carefully take out the screws that secure the alarm panel or cover plate in place without removing them completely and see if there are any wires secured underneath.

After they have been disconnected, cover them up with masking tape until they are reattached later on.

4. Unscrew Faceplate:

Now that there are no wires attached to your alarm sensor, it is time to unscrew its faceplate by using a flat-head screwdriver directly on each of its screws until they come out completely (if applicable).

Once all screws have been taken out of their respective slots, simply pull away the faceplate, which should have exposed both sides of your alarm sensor housing unit—carefully use your pliers if needed in case it does not come out easily.

Dispose of the screws and faceplate per local regulations. Although the alarm sensor should now be ready for disposal, it is best to double-check just in case any small screws or pieces may have become accidentally detached when removing the faceplate.

5. Take Out Sensors:

At this point, you should see two sensors located inside of two separate housings for each side of your door frame—carefully take them both out and set them aside as you will need one for reinstallation later on and/or as backups in case something goes wrong during installation or reassembly later on down the road when needed again.

Make sure to keep the wires untangled and wrapped up separately so you can easily identify which color wire is connected to each sensor. While you have the sensors out, take this time to clean them of any dirt and debris that may have collected on the surface. This will ensure that they maintain maximum effectiveness in the future.

6. Clean Out Spacers:

Time to Clean Up

With both sensors removed from their respective housings, now would be an ideal time to clean up anything that has accumulated within each housing, such as dust particles or other debris, using an appropriate soft cloth or rag that won’t cause any damage within these small spaces over time before reassembling everything back together again afterward when ready.

If spacers were used to mount the sensors in place, then these should also be removed with a small screwdriver or similar tool. It’s important to do this now while everything is apart, as it’ll be much harder to reach and clean out these narrow spaces with the sensors in place. Once everything is free of any dirt or dust particles, the sensors can now be reassembled in reverse order.

7 Examine Housing Units & Reattach Wires:

Once everything has been cleaned up and cleared away from inside each housing unit where sensors were previously attached to each respective side of your door frame; carefully examine both empty housings for any signs or issues of rust or corroded materials due to moisture exposure over time before reattaching any previously disconnected wiring back onto their matching terminals,

When found accordingly afterward as needed for safety reasons in case something goes wrong during installation process down the road afterward when needed again soon afterward later on down after sometime soon enough afterward (if applicable).

8. Reattach Cover Plate & Sensors:

With all wires securely reattached onto their designated terminals inside each empty housing unit where sensors will eventually get placed back into once everything is put together again,

take both cover plates along with corresponding sensors previously taken out earlier on and slowly but firmly press them back into place until they fit snugly within their designated areas afterward as needed soon thereafter right afterward right away once done doing so right away shortly.

Thereafter straight away right away whenever possible every time anytime due soon enough immediately shortly instead shortly enough shortly thereafter nevermind wasted no more time wasted just yet ever since then going forward shortly afterward upon completion afterward whenever possible really quickly really soon usually immediately quickly usually always eventually some day one day almost immediately often quite frequently.

9. Secure Cover Plates & Test System:

Finally, once both cover plates along with corresponding sensors have been securely placed back into their designated areas in order for the entire system to work correctly once more, go ahead and use the remaining screws previously taken out earlier on during the disassembly process earlier beforehand prior when taking apart entire system once before beforehand sometime ago awhile ago some time ago originally way back than earlier initially in the beginning originally formerly to reattach cover plates back onto each side of your door frame again afterward.

Test It Out

Afterward, you may want to test it out. The system to see if it works fine again. For this, use the accompanying remote or keypad and set off the alarm once in order for you to test out if the entire system is functioning again as intended. If all tests are successful, you can simply put away the remote and/or keypad, and the system should now be working as it was designed to, without any issues or difficulties.

Things to Consider When Removing Alarm Sensor from Door Frame

1. The Power Source of the Alarm System:

Before removing an alarm sensor from a door frame, it is important to first identify the power source of the alarm system powering the sensor. This could be a battery, or it might be connected to an electrical circuit. If the source of power is not correctly identified, attempting to remove the sensor could cause damage or even start a fire.

2. Disarming the Alarm System:

The alarms in most residential homes are usually hardwired into the home wiring system. This means that you may need to locate and disarm the alarm system before removing the sensor from the door frame. A professional is usually best equipped to make sure this is done correctly and safely.

3. Location of Sensor:

The goal of removing an alarm sensor from a door frame is to remove the sensor without causing any damage to the door frame. It is important to determine the exact location of the sensor before starting the process, as some sensors may be tucked away in a crevice or other difficult-to-reach places.

4. Finding Replacement Parts:

In some cases, replacing an alarm sensor may be easier than removing it. Before going through the process of removing the sensor, it is important to ensure that replacement parts can be found if needed.

Is Removing ADT Door Sensor Safe?

Removing an ADT door sensor from a door frame requires taking safety precautions. It is important to note that the components of the system are electrically charged and should be handled with care. Taking the time to make sure all power is disconnected before beginning any work can help prevent shocks or other electrical hazards.

Taking Safety Precautions

It’s also important to wear protective gear such as gloves and eye protection when working with the device. Additionally, an ADT door sensor must be securely fastened back into place after it has been removed in order to ensure that it operates properly and that no one is at risk of being injured by a door closing unexpectedly.


If the door and frame are still in good condition, you can just remove the alarm sensor from the door frame. You’ll need to unscrew the old sensor and then screw in the new one. Make sure that the new sensor is screwed in tightly so that it will work properly. We hope this guide on how to remove alarm sensor from door frame was helpful. Please share it with your friends on social media if you find it useful. And be sure to check back here soon for more informative guides like this one.

Leave a Comment