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Why Won’t My Garage Door Close?
A garage door that won’t close leaves your home open, so it’s worth knowing the usual suspects. Many causes are quick fixes you can check yourself, like the safety sensors or a locked wall button. Others need a technician.
By Statesman Garage Door · Updated November 10, 2026
Check These First
- The safety sensors. Two small sensors near the floor on each side of the door must see each other. If one is bumped out of line, dirty, or blocked by something in the doorway, the door will reverse or refuse to close. Many openers flash a light when this happens.
- Something in the way. Look for anything in the door’s path or in the tracks, like a broom, a bike tire or a storage bin.
- The lock button. Many wall controls have a lock or vacation mode that stops remotes from working. Check that it isn’t switched on.
- Remote batteries. If the wall button works but the remote doesn’t, try a new battery.
- Bright sunlight. Low sun shining straight into a sensor can confuse it at certain times of day.
How to Line Up the Safety Sensors
Wipe the sensor lenses with a soft cloth. Then check that both sensors point straight at each other and that each one’s indicator light is on. If a light is off or blinking, gently adjust the sensor bracket until it stays steady. If the door still won’t close, it’s time to call us.
When It’s More Than a Quick Fix
Some problems need a technician: a door that’s crooked or off its track, a broken spring or cable, an opener that hums but doesn’t move, or a door that closes partway and goes back up even with the sensors lined up. Don’t force the door or keep pressing the button, since that can cause more damage. For urgent problems, see our emergency garage door repair page.
Questions We Hear a Lot
Why does my garage door go back up when it tries to close?
The most common cause is the safety sensors near the floor being blocked or out of line. The door is designed to reverse when it can’t see a clear path.
Can I close my garage door manually?
If the springs and cables are working, you can use the red emergency release cord and close the door by hand. If a spring or cable is broken, don’t pull the release, since the door could drop. Call us instead.
Can you come out after hours?
Yes. Our regular hours are 7am to 6pm, 7 days a week, and after-hours emergency service is available.
Need Help With Your Garage Door?
Statesman Garage Door is a family-owned, licensed and bonded company based in Laguna Hills, serving homeowners across South Orange County. We offer free estimates, and you get the exact price before any work begins. Learn more about our Opener Repair & Installation service.
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