If this is not the issue then your sensors will probably need to be aligned.
Garage door sensor switch.
Most of the garage doors come with its display sensors that inform the user of the maintenance cycle.
Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
From logic boards to chain kits to safety reversing sensors find the right liftmaster replacement part to help you with any garage door opener repair project.
They do this by using an electric eye sensor that crosses the doorway.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
The replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all chamberlain garage door openers.
The working of these sensors is quite simple.
Luckily you can set most automatic garage doors to a manual mode to bypass the sensors.
Sensors are a critical safety feature but can prevent an automatic garage door from working properly.
In general garage door sensors block the door from closing if there is an object nearby.
The sensors are located above the floor at each side of the door opening and.
These are located slightly above the ground on both the right and left sides of the garage doors.
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Whenever there is an obstruction the garage door will automatically reverse before causing any damage.
Garage door sensors protect your family possessions and pets by not allowing the heavy garage door to close if there is anything in the glide path.
This precaution ensures that the door doesn t close when your car is in the doorway.
The same mechanism kicks in when other objects are placed near the door too.
If you notice this happen start by seeing if anything is obstructing the sensors field of view.
High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.