why does my garage door go back up

Possible Reasons Why Your Garage Door Hits the Floor, Then Goes Back Up
As is the case with so many issues at the home, there s no one reason why your garage door closes, then opens. Here s a rundown of some of the possible reasons this can be happening: Travel Down: Your garage door is programmed to travel a certain distance before it closes. If it closes before that distance has been traveled, it thinks something is wrong and it reopens to help prevent any damage or safety risk. But changes in weather conditions can causes your garage door components to shift or contract. When that happens, the distance your garage door needs to travel may change. In cases like this, your travel down setting simply needs to be adjusted to the new distance.


Limit Switch: Much like your travel down setting, your garage door opener s limit switch governs where your garage door stops when being raised or lowered. If your garage door isn t staying open or staying closed, you may need to adjust your limit switch, which requires only a flathead screwdriver. Logic Board: Your garage door s logic board is the brain of your garage door opener. This brain can wear out in time, so you could need a replacement. When the logic board wears out, it can cause your garage door to close, then open (and vice versa) without explanation. Before you break out your toolbox or call a professional for help, take a look at your garage door s threshold. If there s anything that s blocking the threshold even slightly, your garage door will sense the blockage and reverse the direction to prevent damage or threats to safety.


If the threshold is clear, the issue could be any number of things in addition to the problems listed above. Check out. You can also consult your garage door opener s instruction manual for troubleshooting guides. At Clopay, we work with a nationwide network of Authorized and Master Authorized Dealers. These are local service professionals who provide outstanding customer care. Many of our Dealers also offer quality garage door opener maintenance, repair and installation. Visit our Where to Buy locator to find a Clopay Authorized or Master Authorized Dealer near you.


Hi Marie. the 1/3 hp Stanleys of older vintage have 2 adjustment screws on the side of the unit. One is sensitivity and one is the travel adjustment. Look for two small pencil size holes on the side of the motor housing. It sounds like your door is traveling far enough but the set point needs adjustment. You will see an arrow pointing in the + direction. You will also see a - at the other end of the arrow. You need to get a ladder and small screw driver. Turn the sensitivity adjustment screw in 1/4 increments in the + direction then try closing the door each 1/4 adjustment. When the door stays down. stop. This screw prevents the door from closing with too much force and possibly injuring a child or infant.


It can however be set too sensitive and I believe this is your problem. Once the door stays down place a object under the doorway and close the door, when the garage door hits the object it should reverse letting you know you have the correct adjustment to keep the door from injuring a child. If the door does not reverse then back off the sensitivity about an 1/8 of a turn in the - direction. Then retest. You may also have to tinker with the travel adjustment but I betting the sensitivity will do the trick. One bit of heads up advice. if you cycle the door too many times in a short period the thermal overload will shut the motor off. You will need to wait approx. 10 minutes for it to cool down and reset itself.

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