How to Open Your Garage Door Manually During a Power Outage

A garage door is heavy, and its springs carry high tension. Never try to force a door that will not move, and never touch a spring or a cable. If the door feels far too heavy, if it drops when you lift it, if it hangs unevenly, or if a cable looks loose or broken, stop and call for a professional. The same applies if a spring looks broken or the door has come off its tracks. A door that is too heavy to lift by hand is usually a sign that a spring has failed, and lifting it anyway can cause the door to fall. Your safety matters more than getting the car out, so treat any of these signs as a stop condition.

Before you disconnect anything, check whether your opener has a battery backup. Many newer openers include a battery that powers the motor for a limited number of open and close cycles during an outage. If yours has one, try the normal remote or wall button first: the door may simply work. The battery will not last forever, so use it sparingly during a long outage and save cycles for when you really need the car. If the door does not respond, or if the battery runs out, move on to manual operation. If you are unsure whether your opener has a battery backup, look for a battery compartment on the opener unit or check the manual that came with it.

The disconnect lever, also called the emergency release, is a handle that hangs from the opener rail by a short cord, usually red, near the center of the door. To disconnect, first make sure the door is fully closed. Pull the handle down and toward the door until you feel the trolley release from the rail. The trolley is the small carriage that connects the door arm to the opener rail; once released, the motor no longer controls the door. Only pull the release when the door is closed. Pulling it while the door is open can let a heavy door drop, because nothing is then holding it up except the springs.

Once disconnected, lift the door from the center with both hands, using your legs rather than your back. A balanced door should lift with steady effort and stay where you leave it partway up. If it feels far too heavy, sags to one side, or slides back down on its own, stop: the springs may not be doing their job, and the door is not safe to use by hand. Lower the door gently all the way down rather than letting it drop, because a falling door can damage the tracks and injure anyone beneath it. Keep children and pets well clear while you move the door, and keep your hands away from the tracks, rollers, and hinges, where fingers can be pinched.

Forcing a stuck door is the most common way an outage turns into an injury or a bigger repair. If the door jams, grinds, or tilts as you lift, stop and look for the cause from a safe position: debris in a track, a bent track, or a roller that has come out of its track. Do not yank the door past the jam, and do not climb on the door or hang from it. If you cannot see an obvious, safe fix, such as clearing a small stone from a track, leave the door closed and call for help. A door that will not move smoothly by hand has a mechanical problem, and that problem will still be there when the power returns.

When power returns, you need to reconnect the door to the opener before the motor can move it again. On most models, you pull the disconnect cord toward the door, which sets the trolley to re-engage, and then run the opener once with the remote or wall button. The trolley should click back onto the rail as the opener runs, and the door should then move under motor power. Watch the full cycle: the door should open and close completely, without jerking or stopping short. If the trolley does not re-engage, or the door moves unevenly, stop using the opener and call for an inspection. Also test the safety features after an outage: the door should reverse if it meets an obstruction, and the safety sensors should stop the door from closing when their beam is blocked.

A little preparation makes the next outage easier. Learn where your disconnect lever is before you need it, and show every adult in the household how it works. Keep a flashlight near the garage entrance, because outages often happen at night and the garage will be dark. If your opener has a battery backup, note its age and check it from time to time, since batteries lose capacity over the years. Finally, keep the door itself in good shape: a balanced, well-lubricated door is far easier to lift by hand than a stiff, neglected one. If your door has become heavy or uneven in normal use, have it checked before the next storm season, not during it.

For the next step, see our garage door won't open repair page.

• Emergency Garage Door Repair
• How to Open a Garage Door Manually
• How to Use the Garage Door Disconnect Lever
• Garage Door Blog

For wider storm preparation, see the hurricane guidance from Ready.gov.