Mon. Jul 22nd, 2024
How To Fix Garage Door Sensor

Garage doors are important for keeping our homes safe.

Garage door sensors are like safety guards for your garage.

But sometimes, the sensors in the garage door may not work well, and that can be a problem.

In this simple guide you will learn How To Fix Garage Door Sensor and prevent sensor problems for future.

Whether your sensor is not in the right place, is dirty, or having electrical problems, we’ll help you understand and solve the issues.

Easy Ways How To Fix Garage Door Sensor

These are the possible points which you needs to follow to fix the Garage door sensor issue.

  • Use a level to make sure both sensors are straight.
  • Move the sensors until their lights stay on.
  • Clean the sensors with a soft cloth.
  • Don’t use strong cleaners because they can harm the sensors.
  • Remove anything blocking the sensors.
  • Trim plants that might get in the way.
  • Check if any wires look broken.
  • Change broken wires with new ones.
  • Make a cover to shade the sensors from the sun.
  • Check for any shiny surfaces around the sensors.
  • Look at where the sensors get power.
  • If they use batteries, put a new ones.

Follow these above steps to fix the issue, if still problem persists better replace a matching sensor for your door or try to call a professional for help.

Understanding The Door Sensor Problem

They have two parts on each side of the door, and they send an invisible signal to each other.

If something gets in the way and blocks this signal, the sensors stop the door from closing.

This is important to make sure the door doesn’t close on something or someone.

Common Issues:

  1. Not Aligned:
    • Problem: Sensors need to look straight at each other. If not, the door won’t close.
    • Fix:
      • Make sure the sensors are looking right at each other.
      • Adjust them until they are.
  2. Dirty Sensors:
    • Problem: Dirt can stress the sensors, making the door weird.
    • Fix:
      • Clean The sensors with bit of cleaner and soft cloth.
      • Don’t get them wet.
  3. Sensor Damage:
    • Problem: Bad weather or bumps can hurt sensors, and they might need changing.
    • Fix:
      • Look for damage on the sensors.
      • Swap out broken sensors for new ones.
  4. Wire Issues:
    • Problem: Wires connecting sensors might be broken or old, causing trouble.
    • Fix:
      • Check if wires are okay or need fixing.
      • Swap out damaged wires.

Steps to Fix:

  1. Check Alignment:
    • Make sure sensors are looking straight at each other.
  2. Clean Them Up:
    • Wipe the sensors clean with a soft cloth. Don’t get them wet.
  3. Look at the Wires:
    • Check the wires to see if they are damaged.
  4. Test Them Out:
    • Try closing the door with an object in the way.
    • If the door closes, sensors might need changing.

Tips for Simple Troubleshooting:

  • Flashing Lights: Sensors flashing mean they’re not looking at each other.
  • No Lights: No lights might mean a power problem or damaged sensors.
  • Door Quickly Opens Again: If the door opens right after closing, something small might be in the way.
  • Door Won’t Close: If the door won’t close at all, there could be a sensor, wiring, or opener problem.

When to Get Help:

If fixing the sensor yourself doesn’t work, it’s okay to ask a professional for help.

How To Preventing Door Sensor Issues

  • Keep Sensors Clean: Wipe them regularly to keep away dirt.
  • Check for Damage: Look at sensors often for any breaks.
  • Make Sure They’re Straight: Confirm sensors are looking right at each other.
  • Inspect the Wires: Check wires sometimes to make sure they’re okay.


Making sure your garage door sensors work well is important for safety. Follow these easy steps to fix common problems and prevent new ones.

If you’re not sure what to do, it’s okay to ask someone who knows more. By keeping an eye on your sensors and doing simple fixes, you’ll keep your garage door working smoothly and your home safe.

Also Read:

How To Get Garage Door Back On Track

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By tricksidea

Jesus Lincon founded and has over 9+ years of experience in Social Media Marketing. Jesus has researched, tested, and written thousands of articles covering topics from social media platforms to tech and gaming apps. Major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and others have quoted and referenced Jesus. In his free time, Jesus enjoys playing games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and more. He creates guides, walkthroughs, and solutions for the games he plays to help fellow players with their progress.

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