Troubleshooting Guide: What To Do When Your Garage Door Won't Open or Close

If your garage door is giving you trouble and won’t open or close, don’t panic! There are several common issues that could be causing this problem, and many of them can be easily fixed without the need to call a professional. In this comprehensive guide, we’ll explore 15 reasons why your garage door may not be functioning properly and provide solutions to help you get it back in working order.

Table of Contents

Why Won’t My Garage Door Open?

1. Photo Eye Is Misaligned

What it is: Safety sensors at the bottom of the door track.
Why it’s a problem: Misalignment can prevent the door from closing.
Solution: Adjust the sensors so they have a clear line of sight.

2. Photo Eye Is Dirty

Why it’s a problem: Debris blocking the sensors can prevent the door from closing.
Solution: Clean the sensors to ensure proper function.

3. Garage Door Remote or Keypad Aren’t Working Properly

Why it’s a problem: Remote control or keypad issues can prevent the door from opening.
Solution: Replace the batteries or reprogram the remote control.

4. Garage Door Rollers May Need Lubrication

Why it’s a problem: Stiff rollers can cause the door to open slowly or not at all.
Solution: Lubricate the rollers with silicone or lithium lubricant.

5. Garage Door Rollers May Need to Be Replaced

Why it’s a problem: Damaged or rusted rollers can prevent the door from opening.
Solution: Replace damaged rollers or lubricate them for smoother operation.

6. Garage Door Opener Motor Is Unplugged

Why it’s a problem: The power source may have been disrupted.
Solution: Check that the motor unit is plugged in all the way.

7. Power to Garage Door Motor Has Been Disrupted

Why it’s a problem: Tripped circuit breaker or GFCI outlet can cut power to the motor.
Solution: Reset the breaker or GFCI or replace a faulty breaker.

8. Up-Limit Switch Needs Adjustment

Why it’s a problem: The switch may be preventing the door from fully opening.
Solution: Move the switch closer to the motor unit.

9. Garage Door Close-Limit Switch Needs Adjustment

Why it’s a problem: This switch may prevent the door from closing completely.
Solution: Adjust the switch to allow the door to close properly.

10. Garage Door Close-Force Screw Needs Adjustment

Why it’s a problem: The closing force may need adjustment.
Solution: Adjust the screw for less sensitivity.

11. Garage Door Opener Motor Needs Replacement

Why it’s a problem: A burnt-out motor can prevent the door from opening.
Solution: Replace the motor or call a professional for help.

Why Won’t My Garage Door Close?

1. Photo Eye Is Misaligned

Solution: Make sure the sensors have a clear line of sight for proper function.

2. Photo Eye Is Dirty

Solution: Clean the sensors to remove any debris blocking their view.

3. Garage Door Remote or Keypad Aren’t Working Properly

Solution: Replace the batteries or reprogram the remote control.

4. Garage Door Rollers May Need Lubrication

Solution: Lubricate the rollers with silicone or lithium lubricant.

5. Garage Door Rollers May Need to Be Replaced

Solution: Replace damaged rollers or lubricate them for smoother operation.

6. Garage Door Opener Motor Is Unplugged

Solution: Check that the motor unit is plugged in all the way.

7. Power to Garage Door Motor Has Been Disrupted

Solution: Reset the breaker or GFCI or replace a faulty breaker.

8. Up-Limit Switch Needs Adjustment

Solution: Move the switch closer to the motor unit.

9. Up-Limit Switch Needs to Be Moved Away From the Motor

Solution: Move the switch away from the motor unit to allow proper operation.

10. Garage Door Close-Limit Switch Needs Adjustment

Solution: Adjust the switch to allow the door to close properly.

11. Garage Door Close-Force Screw Needs Adjustment

Solution: Adjust the screw for less sensitivity.

12. Garage Door Springs Need Adjustment or Replacement

Why it’s a problem: Torsion or extension springs may be causing issues.
Solution: Replace damaged springs for proper door operation.

13. Garage Door Cable Has Snapped

Why it’s a problem: Snapped cables can be dangerous and prevent the door from opening.
Solution: Have a professional replace the cable for safety.

14. Garage Door Is Off Track

Why it’s a problem: Loose track can prevent the door from opening.
Solution: Tap the track back into place and tighten the screws for proper operation.

By following these troubleshooting tips, you can quickly and easily identify the cause of your garage door issues and find the appropriate solution to get it back in working order. Remember, safety is always a top priority when working with garage doors, so don’t hesitate to call a professional if you’re unsure about how to fix the problem yourself.