Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.
Garage door one light red one light green.
My genie garage door won t open.
Each sensor will usually have a light.
Did pull screw level to see if that was an issue re engaged lever not sure if did it up or down and still same problem.
I put a new battery in the remote too.
One will have a green light used to show that the units are powered up and the other will have a red light to show that there s no obstruction between the sensors and that they re seeing each other.
Check if there are any objects impeding the door.
Replaced the door sensors and alignment appears to be fine as both green red lights are constant.
One will have a green light that signifies power to the units and the other will have a red light that signifies that the sensors are seeing each other i e.
That there are no obstructions.
I ll do all i can to help.
One sensor is red and one is green.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
If getting debris away from the door makes no difference then there s more to the story.
At that point a homeowner may want to try.
Genie garage door opener with the red green light for detecting something in way of door closing.
How long have you been dealing with this.
Door starts down abruptly stops goes back up.
And when they re blinking they re flashing a warning to the homeowner that something needs to be corrected.
I moved the red one and the red light stopped blinking but the door still won t open.
The sensors are little black boxes about the size of a deck of cards that can be found on either side of the bottom of the garage door.