If you raise it just once the cables could fail.
Automatic garage door will not open or close.
I have changed the batteries and reset the codes.
The garage door opener was put in in 1998.
These limits set the distance the door will open or close before stopping.
Two possible problems can lead to a garage door reversing before it even touches the floor.
How to troubleshoot a garage door that won t open.
In the down direction if the limit is set beyond the point at which the door closes fully the door will hit the floor and act as if it is hitting something and the safety feature tells it to reverse.
Even after putting new batteries in the remote the garage door still is not.
When closed the weatherstripping on the bottom edge of the door should be in contact with the ground.
Scott on july 31 2017.
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.
Garage door reverses before hitting the floor.
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.
A garage door stuck in the closed position may tempt you to crash on through but don t let frustration get the better of you.
Therefore if you know your extension springs have already failed close the door and do not open it not even manually until you have those springs replaced.
Without the support of garage door cables none of the opener s protective mechanisms will stop the door from its plunge.
Every garage door opener comes with a disconnect switch in case you lose power.
If your door doesn t come down that far you can adjust the automatic opener until it does.
Why it s my garage door not working.
My garage door will not open or close with the remote.
You have an open limit and a close limit on your garage door opener.
Take a few minutes.
Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force.