A monthly garage door safety checklist for families

A garage door is the largest moving object in most homes. Ten minutes once a month tells you whether its safety systems still work, and what to teach the kids.

Once a month, run the auto-reverse test, check the photo eyes, look over the door for loose or broken parts, and make sure remotes and the wall button are out of children's reach. The U.S. Consumer Product Safety Commission recommends inspecting the door and opener every 30 days and testing the reverse function with a 2x4 on the floor. If anything fails, stop using the opener to close the door until it is fixed.

Why check every month?

Safety systems fail quietly. A door that opens and closes every day can look perfectly normal while its reversing feature no longer works, and the CPSC warns that children have been trapped and killed under automatic doors that failed to reverse. A monthly check is how you catch a problem before a person does.

The checklist at a glance

CheckPasses whenIf it fails
Contact reversal (2x4)Door reverses after touching the boardStop closing it with the opener; call
Photo eyesDoor won't close with the beam blockedClean and check alignment; call if still failing
Wall button and remotesOut of children's reachMove the button higher; store remotes
Visual walk-aroundNo gaps, frays, loose parts or crooked sectionsLeave it closed; call
Interior garage door showing a torsion spring, center bracket and opener rail.

How do you run the auto-reverse test?

Put a 2x4 on its wide side across the center of the doorway, then close the door with the opener. The CPSC says that if the door does not properly reverse when it strikes the board, the opener should be disengaged until it is adjusted according to the owner's manual, repaired or replaced. Genie's guidance adds a time limit: the door should reverse within two seconds of contact.

Keep your hand near the wall button during the test and stand clear of the door's path. Remove the board before the next normal close.

How do you check the photo eyes?

The two small sensors near the floor on each side of the opening send an invisible beam across the doorway. The CPSC says they should sit 4 to 6 inches above the floor.

To test them, set a cardboard box taller than the sensors in the doorway and press close. LiftMaster describes the same check with an object over 6 inches tall: the door should not close.

If it fails, clean each lens using a dry, soft cloth, as Genie recommends, and look at the indicator lights for alignment. In winter, check for snow pushed against a sensor by the shovel or salt film on the lens. Never tape, bend or bypass a sensor to make a door close.

Where should remotes and the wall button be?

The CPSC recommends mounting the wall button as high as practical and keeping remotes away from children. Genie gets specific: at least five feet up and within sight of the door.

  • Clip car remotes to the visor, not the cup holder or back seat.
  • Keep spare remotes in a drawer, not in a toy bin or on a low hook.
  • Change the keypad code if older kids have shared it with friends.

What house rules should kids know?

  • Never run under a closing door or try to beat it.
  • No hanging on the door, sitting on the bottom edge or playing in the doorway.
  • Only adults press the button, and only while watching the door until it stops.

Genie's own safety list says to keep people clear of the opening while the door is moving. The CPSC also asks parents to talk with children about the hazard.

What should you look at on the door itself?

With the door closed and the opener stopped, look without touching:

  • Springs over the door or along the tracks: any gap in the coils.
  • Lift cables at the bottom corners: frayed strands, slack or rust.
  • Rollers and hinges: cracks, wobble or missing fasteners.
  • Door sections: one side sitting lower than the other.

The CPSC describes a properly working door as balanced, meaning it stays in place when stopped partway, and says an unbalanced or binding door should be serviced by a professional. Springs and cables stay off-limits for homeowners. Our maintenance tune-up covers those parts.

Something failed? What to do next

Stop closing the door with the opener, keep the kids away from it, and call (330) 947-4591, day or night. Tell us which check failed and what the door did. If your opener has no photo eyes at all, mention that too, and have the opener brand and model handy. You can also send the details through the request form.

Doors and openers

Examples of doors and parts from our photo library.

White sectional garage door with illuminated top windows at night.
Dark textured garage door with three windows along one side.
Wide white raised-panel garage door beneath horizontal siding.

Questions we hear a lot

My opener has no photo eyes. Is that a problem?

It's worth checking. Since 1993, federal rules have required residential openers to have external entrapment protection, which the CPSC describes as an electric eye, a door edge sensor or an equivalent device. Missing eyes don't prove an opener is older than that: yours may use an edge sensor, or its eyes may have been removed or disconnected. Have a technician confirm the model, its age and what protection it has, and run the reversal test in the meantime.

Can I use a soft object instead of a 2x4 for the reversal test?

Use the board, as the CPSC describes. The point is to confirm the door turns around when it meets something solid and low on the floor. A soft object can squash flat under the door and hide a reversal problem.

Does the door need to be checked more often in winter?

The monthly routine is enough, but run it after a big snow or a cold snap. Snow against a sensor, ice under the door and stiff parts can all change how the door behaves.

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