If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
Garage door intermittently reverses.
This is almost always the result of a dirty or obstructed safety feature.
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.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
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.
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.
Photo eyes or safety sensors are mounted to the track on either side of the garage door about 6 inches up from the ground.
Depending on the brand.
You push the button to close the garage door.
You ve probably seen the mechanism in action but haven t given it much thought.
Requiring garage door operators to be equipped with a secondary reversing system which most operators have in the form of photo eyes.
Eventual outcome of garage door reversing mechanism failure.
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.
Does your garage door opener stop and reverse.
Maybe you have to hold the garage door button down for the door to close.
It goes partway down reverses direction and goes back up again.
This video will show you a few quick.
The solution is either to adjust the tracks on either side of the door grease the rollers adjust the spring or fix the track that the opener caddy runs along.
When the garage door opener works intermittently the logic board may be experiencing radio frequency rf interference from nearby sources such as security lights ham radios and some electronics.
In 1993 a law was passed in the u s.
If there is too much resistance the garage door opener stops and usually blinks it s light once or twice as a warning.