This is done with the help of sensors in the motor and on each side of the opening near the floor and mounted on the tracks.
Garage door opens during the night.
The remote could be sending out random signals.
This is usually a sign that the remote is defective or that the batteries are wearing out.
Garage doors operate as a system and several things could cause your door to not close in the morning but will close at night.
If the door starts down and reverses accompanied by the opener lights flashing and a clicking sound this indicates a safety eye sensor issue.
When i awake in the morning it is open.
It has happened four times in the last ten days.
Additionally there are some other interesting explanations as to why a garage door may open and close on its own.
Rays from the sun contain infra red when the sensors get old the sunlight will interfere with the functionality of the sensors.
In garage door operators made after 1993 there are required safety features that open the door during the close cycle when they detect something blocking the door.
Before i go to sleep at night my garage door is closed as it has been since noon.
They can help you get everything back in place and ensure your garage door is working smoothly again.
If you suspect misaligned sensors may be the reason for your garage door opener that opens on its own you should have a garage door technician come out and take a look.
Thinking the door is obstructed the opener will perform emergency reverse.