Take a look at your sensors.
Garage door eye has o lights.
Remove the old safety eyes noting how they connect to the back of the operator mounted on.
This indicates that the sensor is on and working as it should be.
If they re turned on in both the sensors then there is no issue with the power supply.
How to electrically jump together your garage door eye sensors with out buying new onesel.
The photo eye of an automatic opening garage door is a safety feature.
If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle.
A common cause of a malfunctioning garage door sensor is lack of power supply.
As long as you have a few basic tools and a little patience the fix is usually pretty easy.
There isn t a solid light coming from the safety eye sensors liftmaster suggests them be placed no higher than 6 150mm.
You may well find that one has a light that s on and the other s light is off or flickering.
The ceiling of the garage door.
Unplug your garage door opener from the power source to prevent accidental electrocution.
Inspect each sensor to make sure the green or red power indicator lights are.
Each g arage door photo eye should have a small led light on it.
If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.
Replace the opener sensors following the manufacturer.
This is a sign that the sensor has been bumped and so it slightly out of place.
When this happens the green light on the receiving.
As of january 1 1993 it became mandatory that all garage door openers have safety eye sensors built into them.