Garage door openers use a system of springs sensors pulleys and tracks to automatically open and close your garage door.
Half way roller garage door.
These systems usually operate.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
Even with regular maintenance garage doors can sometimes stick refusing to open or close.
Are they temperature sensitive.
Open the garage door and watch it closely as it opens.
If you press the button to close it from that half it goes down and when it touches the floor it goes back to half on it owen.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
This page should help you troubleshoot your garage door problems.
Two possible problems can lead to a garage door reversing before it even touches the floor.
Garage door reverses before hitting the floor.
How to fix a garage door that opens slowly.
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.
If it still reverses raise the door halfway and stop it.
Find new rollers and hinges here.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
How to fix a garage door that gets stuck halfway.
My roller door works in the cool of the morning but will not open with the remote or manually when the temperature gets into the high 30 or above.
My garage door opens half way.
Check the bottom of the door.
A door that is stuck halfway open is a security risk.
If there s anything stuck to the bottom of the door such as a leaf a small piece of paper.