The first is photoelectric and the second is mechanical.
Garage door closes then opens automatically.
Whether you re using the passcode entry the buttons inside the garage or your remote opener the openers and the garage door itself must be on the same frequency.
Here are a few scenarios we ve come across.
There are a few unusual factors that can cause your door open by itself.
What to do when your garage door opens and closes by itself check with your neighbors.
Your garage door s logic board is the brain of your garage door opener.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
An exposed spot or a short circuit in the small gauge wire that leads from the garage.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless.
This will cause the door to open and close until the button becomes unstuck.
The button can easily get dirty and stuck in the pushed position.
Get logic board replacement.
The door operator button is similar to a door bell.
This is almost always the result of a dirty or obstructed safety feature.
It goes partway down reverses direction and goes back up again.
It all depends on the configuration but you likely have a button that activates the door operator.
You push the button to close the garage door.
Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing.
Garage doors use radio frequencies to open and close.
This brain can wear out in time so you could need a replacement.