Your garage door is programmed to travel a certain distance before it closes.
Sears garage door closes then reopens halfway.
I simply opened the cover case to look at the wiring sequence to compare to the other one in my garage that wasnt working.
The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.
If it still reverses raise the door halfway and stop it.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
To solve the problem identify the source of the radio interference and either move it or turn it off.
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.
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.
A garage door that only opens halfway becomes a nuisance for many reasons.
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.
When this happens your garage door will only close by holding down on the wall button until the door fully closes.
Check the bottom of the door.
Fast easy step by step process on how to properly program your garage door travel system.
As these wires short against the housing the electrical impulse causes the door opener to activate.
And the door opens half way and then goes in the reverse direction.
I simply opened the cover case to look at the wire sequence.
This requires a simple turn.
This method is the only way to override the safety sensors and close the door.
Now the green light at the back of the unit keeps flashing.
The one that was working isnt working anymore.
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.
I have a craftsman 1 2 hp opener.
But changes in weather conditions can causes your garage door components to shift or contract.
They can only open it.
The remotes will not work to close the garage door.
Test the sensor eyes by connecting them to short wires directly at the motor unit.