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Why Won't My Garage Door Close?

Garage Door Closing Issues, Explanations and Solutions

Troubleshooting DIY / July 30, 2023
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Garage Door Won’t Close

Issues, Explanations and Solutions

Your garage door is a crucial component of your home, offering security and convenience for your vehicles and belongings. However, encountering a situation where your garage door won’t close can be quite frustrating. Several factors could contribute to this issue, and in this blog post, we’ll explore the common reasons behind a garage door not closing properly. By understanding these reasons, you can gain valuable insights into possible solutions and take the necessary steps to ensure your garage door functions smoothly once again. Continue reading for the commons issues, explanations, and solutions for why your garage door won’t close.

Sensor Misalignment

Modern garage doors are equipped with safety features known as photo-eye sensors. These sensors are positioned on each side of the door, close to the floor. Their purpose is to detect any objects or obstructions in the door’s path. If they sense an obstacle while the door is closing, they trigger an automatic reversal to prevent accidents. However, sensor misalignment can lead to false detection, causing the door to remain open.

Explanation: Sensor misalignment occurs when the sensors are not correctly aligned or if there are any obstructions blocking their line of sight. When this happens, the sensors interpret it as an obstruction, preventing the door from closing.

Possible Solution: Check the alignment of the sensors and ensure they are facing each other. Clear any debris or objects that might be blocking their view. Clean the sensors with a soft cloth, and if necessary, adjust their positions to achieve proper alignment.

Sensor Interference

Aside from misalignment, sensor interference can also be a culprit behind a garage door not closing. Various elements like dust, dirt, cobwebs, or even direct sunlight can obstruct the sensors’ lenses, causing them to malfunction.

Explanation: Sensor interference disrupts the sensors’ ability to detect objects accurately, leading them to interpret obstructions that aren’t actually there.

Possible Solution: Inspect the sensors for any physical obstructions and carefully clean their lenses with a soft cloth or a mild cleaning solution. If sunlight or reflective surfaces are causing interference, consider shading the sensors or repositioning them to minimize the impact.

Malfunctioning Garage Door Opener

The garage door opener is the heart of the garage door system, responsible for opening and closing the door smoothly. If the opener experiences issues or malfunctions, it can prevent the door from closing.

Explanation: A malfunctioning garage door opener may fail to receive or respond to signals from the remote control or keypad, resulting in the door not closing as expected.

Possible Solution: Check the garage door opener’s power source and ensure it is connected securely. Replace the batteries in your remote control if needed. If the garage door opener continues to malfunction, seek professional assistance to diagnose and repair the issue.


Malfunctioning Remote Control or Keypad

Sometimes, the issue might not be with the garage door itself but with the remote control or keypad. Low battery levels, malfunctioning buttons, or keypad issues can prevent the door from responding to your commands.

Explanation: If the remote control’s batteries are low, it might not have enough power to transmit the signal to the garage door opener, resulting in the door not closing.

Possible Solution: Replace the batteries in your remote control and check if it resolves the issue. For keypads, ensure that all buttons are working correctly and not stuck. If needed, reset the keypad according to the manufacturer’s instructions.

Stuck or Malfunctioning Remote Control: A remote transmitter or button used to open the garage door may become stuck, causing it to send signals repeatedly and inadvertently opening the door.

How to Reset My Garage Door Keypad 

Power Outage or Disconnected Power Source

In some instances, a power outage or a disconnected power source can be the reason why your garage door won’t close. Garage doors rely on electricity to function, and any disruption in power can hinder their operation.

Explanation: Garage doors are motorized, and without electricity, the garage door opener won’t function properly, causing the door to remain open.

Possible Solution: Check if there has been a power outage in your area. If the power is fine, ensure that the power cord is securely connected to the outlet or check if the breaker switch has been tripped. Reset the breaker if necessary or seek assistance from a professional electrician for any electrical issues.

Broken Springs or Hardware Issues

If none of the above troubleshooting tips resolve the problem, it’s possible that your garage door has more significant issues, such as broken springs or misaligned tracks.

Explanation: Broken springs or hardware issues can prevent the garage door from moving smoothly or closing correctly, leading to it remaining open.

Possible Solution: Inspect the springs, cables, tracks, and hinges for any signs of damage, wear, or misalignment. If you notice any issues, it’s best to contact a professional garage door technician who can accurately assess the problem and suggest possible repairs or replacements.

Obstructed Door Tracks

Another potential reason for a garage door not closing is obstructed door tracks. Over time, dirt, debris, and other particles can accumulate on the tracks, causing the door to get stuck or misaligned.

Explanation: Obstructed door tracks can prevent the rollers from moving freely, hindering the door’s smooth operation and causing it to remain open.

Possible Solution: Inspect the door tracks and clean them thoroughly using a brush or cloth. Remove any debris or obstructions that might be blocking the path of the rollers. Lubricate the tracks to ensure smooth movement and realign the door properly. If the tracks are damaged or severely misaligned, it’s best to seek professional help to ensure the safe and effective functioning of your garage door.


A malfunctioning garage door can be a major inconvenience and compromise the security of your home. By understanding the common reasons why a garage door might not close, you can take appropriate steps to resolve the issue promptly and efficiently. Regular maintenance and attentive care of your garage door can go a long way in preventing many of the issues discussed in this guide.

Trust the experts at Overhead Door Company of Huntsville/North Alabama™ for all your garage door needs and enjoy peace of mind knowing that your garage door is in capable hands. Contact us at 256-772-3674 to schedule a service call and experience reliable and efficient garage door solutions. Your satisfaction is our mission, and we are committed to ensuring that your garage door functions smoothly, providing security and convenience for your home for years to come. Let us help you keep your garage door in optimal condition, so you can enjoy worry-free access to your garage and the peace of mind that comes with a safe and well-functioning garage door.

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