If an object person or animal blocks the beam the closing door reverses direction.
Sears garage door closes then reopens halfway.
The remotes will not work to close the garage door.
But changes in weather conditions can causes your garage door components to shift or contract.
This requires a simple turn.
Now the green light at the back of the unit keeps flashing.
Check the bottom of the door.
The one that was working isnt working anymore.
They can only open it.
This method is the only way to override the safety sensors and close the door.
And the door opens half way and then goes in the reverse direction.
Replace the garage door opener safety sensor the safety sensor has a pair photoelectric eyes at the base of the rails one eye emits an infrared beam and the other receives it.
The problem is often intermittent.
Test the sensor eyes by connecting them to short wires directly at the motor unit.
There may also be loose wire connections inside the button housing itself.
If there s anything stuck to the bottom of the door such as a leaf a small piece of paper or any type of.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
As these wires short against the housing the electrical impulse causes the door opener to activate.
I simply opened the cover case to look at the wiring sequence to compare to the other one in my garage that wasnt working.
To test trigger the remote while standing close to the motor unit if the door opens consistently from that close distance interference is likely the problem.
Fast easy step by step process on how to properly program your garage door travel system.
If the door reverses part way down and you are sure there is no obstruction or binding increase the closing force a small amount and try it again.
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.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
I have a craftsman 1 2 hp opener.
To solve the problem identify the source of the radio interference and either move it or turn it off.
A garage door that only opens halfway becomes a nuisance for many reasons.
I simply opened the cover case to look at the wire sequence.
Your garage door is programmed to travel a certain distance before it closes.
