Why Won't My Garage Door Close? 7 Common Causes and Solutions
A garage door that won't close can be frustrating and leave your home vulnerable to weather, pests, and security risks.
Before assuming you need a new opener, check these common causes.
1. Dirty or Blocked Safety Sensors
Modern garage doors use photo-eye sensors near the floor to detect objects in the door's path.
Dirt, spider webs, leaves, or even direct sunlight can interfere with sensor operation and prevent the door from closing.
Clean both sensor lenses and ensure they face each other directly.
2. Misaligned Sensors
If one sensor is bumped out of alignment, the opener may think something is blocking the door.
Look for blinking indicator lights on the sensors. This often signals an alignment issue.
3. Something Is Blocking the Tracks
Small debris, rocks, or damaged hardware can prevent smooth door movement.
Inspect both tracks and remove any visible obstructions.
4. Broken Garage Door Spring
A broken spring can prevent the door from operating correctly.
Signs include:
- A loud bang from the garage
- The door feels unusually heavy
- The opener struggles to lift the door
- A visible gap in the spring
Never attempt spring repairs yourself.
5. Damaged Rollers or Tracks
Bent tracks or worn rollers can cause the door to bind or stop unexpectedly.
Professional inspection is recommended if you notice visible damage.
6. Incorrect Travel Limits
Garage door openers have settings that determine how far the door travels.
If these settings become incorrect, the opener may stop before the door fully closes.
7. Opener Problems
Motor wear, electrical issues, circuit board failures, or damaged gears can all affect operation.
A technician can diagnose whether repair or replacement is the best option.
When Should You Call a Professional?
If basic sensor cleaning and inspection don't solve the problem, professional service can identify the root cause before further damage occurs.
Ignoring garage door issues often results in more expensive repairs later.
Need help with a garage door that won't close? Contact our team for fast, reliable service.