Garage door sensors are critical safety features designed to prevent accidents and injuries. However, there are situations where bypassing these sensors might be necessary, such as when the sensors malfunction or during maintenance and testing. In this blog post, we’ll guide you through the steps to safely and effectively how to bypass garage door sensors. This information is brought to you by MS Garage Door Service, your trusted expert in garage door maintenance and repair.

Understanding Garage Door Sensors

Garage door sensors are part of the garage door opener system. They are usually located near the bottom of the garage door track on both sides. These sensors use infrared beams to detect any obstruction in the path of the closing door. If anything interrupts the beam while the door is closing, the door automatically reverses to prevent potential harm or damage.

Why Bypass Garage Door Sensors?

There are several reasons why you might need to bypass your garage door sensors:Sensor malfunction causing operational issues.Obstructions that are not removed easily.Maintenance or repairs requiring the door to operate without sensors.

Steps to Bypass Garage Door Sensors

Bypassing your garage door sensors should only be a temporary solution. Follow these steps to ensure a safe bypass procedure:

Step 1: Ensure Safety First

Before attempting any modifications or bypasses, make sure the garage door is in the open position. This prevents any accidental closures that could result in injury or damage.

Step 2: Locate the Sensors

Identify the sensors at the bottom of the door tracks. Each sensor will have an LED light that indicates whether it is in alignment and functioning correctly.

Step 3: Disconnect the Sensors

Carefully disconnect the sensors by detaching the wires.


This step might differ depending on the model of your garage door opener, so refer to your manufacturer’s instructions.

Step 4: Bypass the Sensor Circuit

To bypass the sensors, you will need to connect the two sensor wires together. This can often be done using a wire nut. By connecting these wires, you simulate the closed circuit of the operational sensors.

Step 5: Test the Door

After bypassing the sensors, test the garage door to ensure it operates smoothly. Be cautious and ready to intervene if something goes wrong.

Step 6: Reconnect the Sensors

After completing your maintenance or the reason for bypassing, reconnect the sensors to restore normal operation and safety features.

Bypassing Garage Door Sensors

Step Action Needed Tools Required Safety Precautions Expected Outcome
1 Ensure garage door is open None Verify door is securely open Safe working environment
2 Locate sensors None Check for any visible damage to sensors or wiring Clear understanding of sensor setup
3 Disconnect sensors Screwdriver Wear protective gloves Sensors disconnected
4 Bypass sensor circuit Wire nuts, pliers Ensure all power is turned off to unit Sensors are bypassed
5 Test the door None Stand clear of the door path Door operates smoothly
6 Reconnect sensors Screwdriver Double-check connections are secure Safety features restored

Frequently Asked Questions

Why Is It Important Not To Permanently Bypass Garage Door Sensors?

Permanent bypass of garage door sensors removes a critical safety feature, putting people, pets, and property at risk. Always aim to repair or replace malfunctioning sensors promptly.

Can Bypassing Garage Door Sensors Void My Warranty?

Yes, bypassing garage door sensors can void warranties provided by many manufacturers.


It is advisable to check with your manufacturer or service provider like MS Garage Door Service before proceeding.

What Are The Risks Of Bypassing Garage Door Sensors?

Bypassing sensors can lead to accidents, including severe injuries or even death, if the door closes on a person or pet. It also increases the risk of property damage.

How Can I Tell If My Garage Door Sensors Are Malfunctioning?

Common signs include the garage door reversing unexpectedly, blinking lights on the sensor, or the door not closing all the way. Sensors that are misaligned or blocked by debris can also show similar symptoms.


While bypassing garage door sensors is sometimes necessary, it should always be done with caution and restored back to normal operation as soon as possible. MS Garage Door Service is here to help with any garage door sensor issues you encounter, ensuring your door functions safely and effectively. Remember, the safety of your household should always be a priority.