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An opener that hums but won't move is getting power but can't turn: usually a broken spring, a locked door, a failed capacitor or a stripped gear. The sound it makes, and how long it lasts, points to which one. Free estimate at (929) 429-2429.
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When you press the button and hear a hum, the opener got the signal and sent power to the motor. That rules out the remote, the wall button and the outlet. The problem is that the motor can't turn, or it turns and nothing passes that on to the door.
Most openers only try for a second or two. If the motor doesn't get moving, the opener cuts the power to protect itself, which is why the hum is so short. Some click or flash the light as well.
The opener is not the part that lifts the door. The springs carry its weight, and the opener only guides it up and down. So a hum is just as often a door problem as an opener problem, and the door gets checked first.
You don't need to test anything. Say which of these you hear when you call, and the right parts ride along.
These are the usual causes.
It is tempting to keep trying. Every hum heats the motor, and an opener pushing against a heavy or stuck door can strip its gear or burn out a part that was fine. One or two tries tell you all you need to know.
Springs and cables are not a DIY job. They hold a few hundred pounds of door under tension, and they can seriously hurt you. If a spring may be broken, don't pull the red release cord and don't try to lift the door by hand: without the spring it can come down fast. Leave it closed and call. Keep children and pets clear, and don't drive under a door that is partly open.
The door first, then the opener. With the opener disconnected, the technician checks the springs and both lift cables, whether the door is balanced, and whether it moves freely in its tracks. If the door is the real fault, it gets fixed before the opener is judged.
Then the opener: the motor, the start capacitor, the drive gear, the chain or belt, the trolley and the board. Before leaving, the technician runs the door up and down and confirms the safety reverse still works. You hear what failed and what it takes, with a free estimate before any work starts.
If it turns out to be the opener, see garage door opener repair. If it is a spring, see broken spring repair.
It must be the remote. Not if it hums. A hum means the signal got through. A dead remote or wall button usually makes no sound at all.
You need a new opener. Often not. A good opener humming against a broken spring works again once the spring is replaced, and a stripped gear or a weak capacitor is a repair, not a replacement.
The motor is getting power but can't turn. The usual causes are a broken spring that leaves the door too heavy, a door that is locked or stuck in its track, a failed start capacitor on the motor, or a stripped drive gear inside the opener.
That short hum is the motor trying to start and failing. The opener cuts the power after a moment to protect itself. A door that will not move and a weak or failed capacitor both look like this, so the door gets checked before the opener.
Yes, and it is one of the most common reasons. The springs carry the weight of the door, not the opener. With a broken spring the opener is asked to lift the whole door, so it strains, hums and stops. If you see a gap in a spring coil, leave the door closed and call.
That usually points inside the opener. Many openers drive the chain or belt through a plastic gear that wears down over the years. When it strips, the motor spins and nothing moves. A technician opens the unit to confirm it.
No. Each try heats the motor and can finish off a weak part. If a spring may be broken, do not pull the red release cord either, because the door can drop fast. Leave the door where it is and call.
Yes. You hear what is wrong and what it takes before any work starts.
Around Brooklyn, Queens and Long Island, one call gets you a two-hour slot and a heads-up call before the technician sets off.
Free estimate, call (929) 429-2429.
Tell us what you hear when you press the button and we'll give you an honest arrival time. The estimate is free.
Easier to explain by phone? Call (929) 429-2429.
Tell us what the door is doing. The estimate is free either way.