Fortunately there is usually a blinking light on the opener or at the door operator button that indicates a blockage at the door but if you don t see any blockages it s also possible that a sensor has just gone bad and needs to be replaced.
Chamberlain garage door opener light comes on by itself.
These sensors must be connected and aligned correctly in order for the garage door to work properly.
Your garage door most likely uses two sensors to trigger its reverse mechanism.
Button button the spruce.
From informational videos to product manuals and troubleshooting articles the chamberlain group resource library has the information you need.
Likely culprits include the wires the internal circuitry and more.
Clean the lenses with the cloth.
These two sensors often referred to as eyes are located on either side of the garage door opening and in some cases they shoot a beam of light across the door.
The new opener has the safety beam just under knee height at the door and it has a motion sensor on the button pad.
The lenses will most likely be attached to metal brackets attached to the garage door frame.
A nice little feature.
This feature can be disabled using the door control my neighbor s remote control opens my garage door.
According to the manual the light may come on if the beam at the door is not properly aligned.
Generally the garage door opener light comes on for several reasons.
Find the chamberlain garage door opener technical support you need to get your garage door opener operational.
When you operate the garage door opener with the wall console or the garage door remote in your car the light turns on.
The door operator button is similar to a door bell.
The garage door opener is equipped with a feature that turns the light on when the safety reversing sensors have been obstructed.
Most models have an adjustable time delay that automatically turns the light off after 3 to 5 minutes.
Just stepping into the garage from the house turns the light on in the garage.
Locate the lens on each side of the garage door at the bottom.