The garage door opener has two sensors that prevent the garage door from closing on a person or object.
Garage door opener sendor.
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If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
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It s a great safety feature.
Garage door opener sensors are also called photoelectric safety sensors.
This includes any dirt or other debris that is on the lens.
If you have never looked into how this technology works it can seem rather complicated at first glance.
A common cause of a malfunctioning garage door sensor is lack of power supply.
One that sends an infrared beam and one that receives the beam.
Look for small led lights on the sensors.
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Garage door sensors help keep children and pets safe look for any physical objects that are preventing the sensors from seeing each other.
They ensure that your garage door stops closing or opening when it recognizes that there s something in it s way.
If they re turned on in both the sensors then there is no issue with the power supply.