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How to Test Your Garage Door Safety Features

Categories: SafetyHow-To Guides

Published Date: 05.22.2023

How to Test Your Garage Door Safety Features

Your garage door is, perhaps, the largest moving objects in your home, and as such, it is important to ensure that it is operating safely. Garage doors are equipped with a range of safety features designed to prevent accidents and injuries, including photoelectric sensors, auto-reverse mechanisms, and emergency release systems. However, over time, these safety features can become damaged or misaligned, which can compromise their effectiveness. Therefore, it is essential to test your garage door safety features regularly to ensure that they are functioning correctly.



Here are some steps you can follow to test your garage door safety features:

how to test your garage door safety features

Check the Photoelectric Sensors

The photoelectric sensors are located on either side of the garage door, near the bottom. These sensors detect any obstructions in the path of the garage door and will prevent the door from closing if an object is detected. To test the photoelectric sensors, simply stand between them while the garage door is closing. The door should stop and reverse its direction immediately upon detecting your presence. If the door does not stop, the sensors may be dirty, misaligned, or damaged, and you should consult a professional garage door technician for repairs.

Test the Auto-Reverse Mechanism

The auto-reverse mechanism is designed to actually stop the garage door from moving and reverse its direction if it encounters an obstruction while closing. To test this safety feature, place a small object (for example: a roll of paper towels), in the path of the garage door. Close the door using the wall-mounted switch or remote control. The door should reverse its direction immediately upon encountering the object. If the door does not reverse or reverses slowly, the auto-reverse mechanism may need adjustment or repair.

Check the Emergency Release System

The emergency release system allows you to open the garage door manually in case of a power outage or other emergency. To check the emergency release system of your garage door, you need to locate the emergency release cord and handle, which are typically red in color and located near the top of the garage door opening. Follow these steps to test the emergency release system:


  1. Make sure the garage door is closed and the opener is disconnected from the power source.
  2. Pull the emergency release handle down to disengage the door from the opener.
  3. Manually lift the garage door using the handle to open it fully.
  4. Lower the garage door to the halfway point and release it. The door should remain in place or drift slowly downward.
  5. Open the garage door completely, then release it. The door should remain in place.
  6. Pull the emergency release handle again to re-engage the garage door to the opener.
  7. Use the opener to close and open the garage door a few times to ensure that it is functioning properly.


If you notice any issues during this test, such as the garage door slamming shut or failing to remain in place, it may indicate a problem with the emergency release system. In this case, it is best to contact a professional garage door technician to inspect and repair the system. It is important to ensure that the emergency release system is functioning correctly so that you can open the door manually in case of a power outage or other emergency.

Check the Balance of the Door

Checking the balance of your garage door is important to ensure that it is operating safely and efficiently. An unbalanced door can put unnecessary strain on the opener and can potentially cause the door to become damaged or even dangerous. Here are the steps to check the balance of your garage door:


  1. Disconnect the garage door opener from the power source and disengage the emergency release handle.
  2. Lift the garage door manually to about waist height and release it. The door should remain in place and not drift up or down.
  3. If the door drifts up or down, it is likely unbalanced and requires adjustment. Contact a professional garage door technician to make the necessary adjustments.
  4. Test the balance of the door in the opposite direction by lifting the door to about chest height and releasing it. Again, the door should remain in place.
  5. If the door fails to remain in place, it may indicate a problem with the counterbalance system or springs. Contact a professional garage door technician to inspect and repair the system.
  6. Once you have determined that the door is properly balanced, use the opener to close and open the door a few times to ensure that it is operating smoothly and without any unusual noises.

Inspect the Cables and Springs

Finally, it is important to visually inspect the cables and springs of your garage door for signs of wear and tear. The cables and springs of your garage door play a critical role in its operation and safety. They work together to balance the weight of the door and control its movement, making it easier for the opener to lift and lower the door. However, over time, the cables and springs can wear out or become damaged, potentially leading to garage door malfunctions or even accidents. Here are the steps to inspect the cables and springs of your garage door:


  1. Visually inspect the cables for any signs of wear, such as fraying, rust, or corrosion. Pay close attention to the bottom of the cables, where they attach to the bottom bracket and come into contact with the garage floor.
  2. Check the springs for any signs of wear or damage. Springs are under high tension and can be dangerous to inspect or repair. If you notice any issues with the springs, it is best to contact a professional garage door technician to inspect and repair them.
  3. Test the tension of the springs by disengaging the opener and manually lifting the door about halfway. The door should stay in place and not fall or rise quickly. If the door falls or rises too quickly, it may indicate that the springs are worn out or damaged and require replacement.
  4. Inspect the pulleys and bearings for any signs of wear or damage. These components help the cables to move smoothly and can wear out over time.
  5. Lubricate the springs, cables, and pulleys with a silicone-based lubricant to keep them operating smoothly.

Professional Garage Door Repair 

Testing your garage door safety features is an important step in ensuring the safe operation of your garage door. By regularly testing the photoelectric sensors, auto-reverse mechanism, emergency release system, door balance, and inspecting the cables and springs, you can identify any issues and address them before they become a safety hazard. If you encounter any problems during your safety check, do not hesitate to contact a professional garage door technician for assistance. Door Gators is your leading, local garage door repair company and offers friendly, professional service quickly.

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