Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.
Garage door one light red one green.
Re align them by moving one of them until the red light stays lighted.
These sensors are little black boxes found on either side of the bottom of the garage door.
Replaced the door sensors and alignment appears to be fine as both green red lights are constant.
If the red light is blinking the sensors are not aligned.
Genie garage door opener with the red green light for detecting something in way of door closing.
Each sensor will usually have a light.
Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.
I moved the red one and the red light stopped blinking but the door still won t open.
How long have you been dealing with this.
One sensor is red and one is green.
If just the red source led is out unplug the mechanism check the wiring and plug it back in.
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.
My genie garage door won t open.
If one or both of the lights are off check the fuses breakers and plugs for problems.
Red sensor lights are an issue because they should generally be green.
Many times the malfunction can be due to a loose connection or broken wire.
I put a new battery in the remote too.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
At that point a homeowner may want to try.
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.
Inspect each sensor to make sure the green or red power indicator lights are.
Door starts down abruptly stops goes back up.
I ll do all i can to help.
That there are no obstructions.
And when they re blinking they re flashing a warning to the homeowner that something needs to be corrected.