Reverses on its own if the garage door only travels down an inch or so before reversing something is probably blocking the beam between the two safety sensors at the bottom of the rails or the sensors aren t aligned.
Garage door intermittently reverses.
This video will show you a few quick.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
A garage door auto reverse is pretty much what it sounds like a system which forces the door to quickly reverse if it encounters an obstacle like your car your cat your chihauhua or your child.
Photo eyes or safety sensors are mounted to the track on either side of the garage door about 6 inches up from the ground.
You push the button to close the garage door.
First check the sensor lights.
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.
Does your garage door opener stop and reverse.
It goes partway down reverses direction and goes back up again.
Depending on the brand.
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.
This is almost always the result of a dirty or obstructed safety feature.
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.
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.
In 1993 a law was passed in the u s.
Maybe you have to hold the garage door button down for the door to close.
If there is too much resistance the garage door opener stops and usually blinks it s light once or twice as a warning.
If the remote works only when held within a few feet of the motor unit rf interference is probably the problem.
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.