Luckily this is really easily solved.
Garage door suddenly dropped.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
Locate the lights on the eyes.
If the range improves then the interference is coming from a device in the garage.
The door may get jammed and there could be an emergency situation where you need to get your car out.
Typically this happens because of springs that have become too loose or cables that are broken.
Also it could be due to springs and cables that have been poorly installed or a damaged garage door track.
You ll probably notice that you ve got a dropped door because of loose hinges if the door drags on the floor a little.
If the garage door suddenly comes crashing down and will not go back up this is usually the result of a snapped cable.
One of the main causes of a dropped door is a loose hinge.
While many problems that keep the door from opening are caused by broken springs a lot of other parts could be keeping your door from functioning properly.
Your garage door won t open or close if you have an automatic garage door opening most likely something is off in the programming.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
When your garage door falls too quickly it is a symptom that something is loose of broken.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
The close limit switch may need adjusting.
If your garage door is falling shut rather than closing slowly there is most likely a problem with the garage door extension spring.
Let s take a deeper look into each cause.
The cables experience wear and tear after years of helping to control the movement of the door and the tension of the springs.
Garage door won t close all the way if the garage door opens correctly but fails to close completely there may be one of three common causes.
Over the years screws will naturally work themselves loose.
If it s way off balance it could actually fall of the tracks and injure someone.
This page should help you troubleshoot your garage door problems.
Clean off any debris.
To isolate potential sources of interference turn the circuit breaker off to the garage and plug the garage door opener into an extension cord from another room.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
Snapped cables should be professionally replaced before you try to use the door again.
A door that won t close and lock leaves you vulnerable to burglars too.
Examine the garage door s safety eyes if the door won t stay down.
