Troubleshooting

Work Out What Is Wrong With Your Garage Door

Pick the symptom that matches. Each guide lists the likely causes, the checks you can safely do, and the signs that mean you should stop and call.

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Choose a Symptom

Why Is My Garage Door Stuck Halfway?

A garage door that stops halfway has usually hit something in the track, lost a cable on one side, or run out of spring support so the opener cannot carry the weight. Opener settings and blocked safety beams can also stop it part-way. Look at the door from inside: if it hangs crooked or a cable is slack, a cable or drum has failed. If it is level but stuck, check the tracks for a bent section, a broken roller or sand build-up. Do not walk under it, and do not pull the release cord while it is open, because a door without spring support can drop.

Why Won't My Garage Door Open?

When a garage door won't open, the cause is usually one of three things: the opener has lost power or its signal, the door has been locked or disconnected from the motor, or a spring or cable has broken so the door is too heavy to lift. Check the power point, the wall button lock and the remote battery first. If those are fine, pull the release cord with the door fully closed and try lifting by hand. A door that lifts easily points to the opener. A door that will not budge, or feels like dead weight, points to a broken spring, and that is a job for a technician.

What Is That Noise From My Garage Door?

Most garage door noise comes from friction or looseness. Squeaks usually mean dry hinges, rollers or springs. Grinding points to worn rollers or grit in the tracks. Rattling means loose fixings or a worn chain. A loud bang, popping from the spring, or a scraping sound with jerky travel is different: those can mean a spring or cable is failing, and the door should not be used until it is checked. A service that cleans the tracks, lubricates the right points and replaces worn rollers quietens most doors.