If the red light is blinking the sensors are not aligned.
One garage door sensor is green one is red.
My genie garage door won t open.
If just the red source led is out unplug the mechanism check the wiring and plug it back in.
Door starts down abruptly stops goes back up.
Answered december 19 2019 when the infra red sensors are malfunctioning usually one of the sensor lights will be blinking.
Genie garage door opener with the red green light for detecting something in way of door closing.
There usually is a light on each sensor.
Each sensor will usually have a light.
The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors.
The transmitters remotes will not work to close the garage door.
Red sensor lights are an issue because they should generally be green.
I ll do all i can to help.
How long have you been dealing with this.
And when they re blinking they re flashing a warning to the homeowner that something needs to be corrected.
One sensor is red and one is green.
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.
If the red light is blinking it means the sensors are not aligned and need adjusting.
The green light signifies your sensors have power while the red light signifies the sensors are aligned.
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.
Replaced the door sensors and alignment appears to be fine as both green red lights are constant.
Inspect each sensor to make sure the green or red power indicator lights are.
If both the red source and green sensor lights are on and not blinking then the door mechanism is working properly.
These sensors are little black boxes found on either side of the bottom of the garage door.
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.
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.
Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.
I moved the red one and the red light stopped blinking but the door still won t open.
If one or both of the lights are off check the fuses breakers and plugs for problems.
I put a new battery in the remote too.