You push the button to close the garage door.
Garage door opens intermittently.
First check the sensor lights.
As these wires short against the housing the electrical impulse causes the door opener to activate.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Simply put if the descending door hits an object the motor detects the resistance and the door opens.
Led lightbulbs are great but they may cause your garage door openers to stop 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.
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.
Finally it s possible the garage door opener s motor.
See all the details in this video.
It goes partway down reverses direction and goes back up again.
Locate and eliminate the source of the rf interference.
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Depending on the brand.
This is almost always the result of a dirty or obstructed safety feature.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
Likewise if the beam of light between the floor sensors is broken the door will not shut.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.
Adjust the degree of upward force which is one of the two adjustable screws on most garage door openers.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
There may also be loose wire connections inside the button housing itself.
The slightest detection such as accumulated leaves snow or ice around the garage door can cause the door to not shut completely.