How To Bypass Garage Door Sensors

How To Bypass Garage Door Sensors

Garage door safety sensors allow the door to stay open when an object is blocking the path. This safety feature helps avoid injuries that usually come with operating garage doors. Because of the invention of garage door opener sensors, we can operate our doors safely. However, they malfunction eventually. When the sensors fail to operate, the door won’t close all the way. If you’re wondering how to solve it, it’s best to call a garage door expert. On the other hand, if you want to use it while waiting for a professional to come, you can bypass garage door sensors. So, how to bypass garage door sensors? We will answer it below for you. 

bypass garage door sensors

What Garage Door Sensor Do?

Garage door sensors look like small boxes located at both sides at the bottom part of the garage door. These sensors emit infrared beam light. The colours usually are garage door sensor yellow or green. When the lights are on, it indicates they are on. On the other hand, the red light means no obstructions are detected in the path. They play a significant role in a garage door. The sensors stay open when there are objects in the path and close when none. Thus, this makes the garage door safe to use for all homeowners. 

How Garage Door Sensors Work?

Garage door safety sensors work by emitting an infrared light that serves as a detector to an object. One sensor serves as the receiving unit, and the other a sending unit. 

Since they are located near the ground, it’s easy for the sensors to detect pets, people, and objects. That’s why the garage door stays open when the sensors detect these obstructions.

Is it Possible to Use a Garage Door Without Sensors?

Despite sensors being a safety feature, they tend to malfunction over time. When this happens, it will cause inconvenience to your daily schedule. You won’t also be able to secure your belongings if the garage door sensors are malfunctioning. When this occurs during the morning, you won’t be able to go to work. 


So, the best way you can do for now is to bypass the garage doors. You might ask, is it possible to use the garage door without the sensors? The answer is yes. However, the process of it will be inconvenient for you and your family.

You can use your garage door if you operate it manually. However, it’s not a long-term solution since you’ll need to replace the sensors for everything to work again. 

Things to Do Before Bypassing Garage Doors

You can use your garage door if you operate it manually. However, it’s not a long-term solution since you’ll need to replace the sensors for everything to work again.

How to Bypass Garage Door Sensors Correctly

After you have checked the wires, lenses, and alignment, and the sensors still fail to work; it’s time to bypass the sensors. Make sure that you thoroughly check them before proceeding to the steps.

Moreover, here’s how to trick garage door sensors:

1. Pull Down the Cord

Every garage door comes with a manual release cord. It’s usually colored red that hangs from the ceiling. This cord is specifically used when you can’t operate your garage door automatically. 

To operate the door manually, pull the cord down so you can open the garage door. 

2. Close the Garage Door Carefully

After you’ve already accessed the manual cord, it’s difficult to close the garage door on your own. For this step, you might need an extra hand. Make sure to remove any props and close the door down carefully. 

3. Disengaging Garage Door Sensor

Next, disengage the garage door sensors. To do this, locate the power source from the wall and unplug it. In this way, you can play with the wires safely. 

4. Carefully Place the Sensors Away from the Assembly

Now that the power is unplugged remove the sensors from their places. Unscrew the wingnuts that are holding the garage door sensors and remove them.

5. Cut the Wires 

Using a wire cutter, cut the attached wires from the sensors. When doing this, snip the wire about a half an inch allowance from the sensor. 

6. Attach the Wires from the New Sensors 

Now that you’ve cut the wires, expose them using pliers by stripping the casing. Then, connect these wires to the new sensors’ wirings. Make sure to match the colors when reattaching the wires. 

7. Return the Old Sensors Back Into the System

Once you connect the wirings, return the sensors to their places. Finally, tighten the wingnut to set the sensors in place. 

8. Turn On The System

After recutting and reattaching the wires, everything will go smoothly. If there are still issues, you need to call a professional to fix the problem. 

Conclusion: Replace the Sensors!

Bypassing garage doors is a short-term solution. That’s why it’s best to replace the sensors to ensure that the garage door is working properly again. 

Although, it’s best to ask for help from a garage door expert to diagnose the problem. In this way, they can suggest fixing or replacing the sensors.

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