The sensors have to be aligned with each other and also have to be connected correctly to the garage door system in order to work.
Genie garage door sensors not working.
Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.
If an operational problem exists and the garage door opener will not close the opener can be forced to close.
The transmitters remotes will not work to close the garage door.
Door starts down then stops before it is closed.
If they re turned on in both the sensors then there is no issue with the power supply.
The red lights on one of the sensor blinks 4 times and.
Look for small led lights on the sensors.
A common cause of a malfunctioning garage door sensor is lack of power supply.
You will find that the door will only move an inch or so in the close direction and reverse.
Check garage door for binding.
In order for it to operate successfully and safely it is installed with safety beams or sensors to avoid accidents when opening and closing.
If this is the reason you will need to reengage the carriage.
Check that the emergency release cord has not been pulled.
If just the red source led is out unplug the mechanism check the wiring and plug it back in.
I have a genie garage door and it has stopped closing.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
Your garage door may be disconnected from the opener.
If both the red source and green sensor lights are on and not blinking then the door mechanism is working properly.
See your owner s manual for more details.
Garage door openers is operated with a remote or hard wired to the door or with a keypad.
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 method to reengage the carriage depends on the model of garage door opener you own.
Check for interference from adjacent photo eye sensors of any brand.