I ll do all i can to help.
One red light on garage door sensor.
Look for small led lights on the sensors.
Replaced the door sensors and alignment appears to be fine as both green red lights are constant.
Garage door sensor is blinking red.
Linear garage door openers have a green light on the sending sensor and a green and red light on the receiving sensor.
One sensor is red and one is green.
A common cause of a malfunctioning garage door sensor is lack of power supply.
If they re turned on in both the sensors then there is no issue with the power supply.
If the wiring is fine and your garage door opener is still not working then the problem may be that one of the sensors has simply failed.
Whether it won t open won t close or only responds intermittently there s a lot of frustration in a garage door that just won t do what it should.
Door starts down abruptly stops goes back up.
This can happen from old age your basic wear and tear or even constant exposure to the sunlight.
The red light on the receiving sensor glows bright red when the sensors are aligned properly.
There usually is a light on each sensor.
My genie garage door won t open.
Blinking sensors on a garage door usually aren t a good thing because they re often coupled with the garage door not working the way it should.
These sensors are little black boxes found on either side of the bottom of the garage door.
This indicates the electric eyes are aligned and the circuit is complete.
Genie garage door opener with the red green light for detecting something in way of door closing.
I put a new battery in the remote too.
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.
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.
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.
The green lights let you know there is power going to the sensors.
If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
How long have you been dealing with this.
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.