Garage Door Sensor Switch

High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.

Garage door sensor switch.

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. Most of the garage doors come with its display sensors that inform the user of the maintenance cycle. Resalet 2 sets magnetic reed switch alarm no normally open surface mount wired contact sensor for gate garage window door security system white mc 38 5 0 out of 5 stars 1 12 49. 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.

It operates on a low voltage beam which completed the switch when the door is in running condition. If you push the garage door opener switch when the sensors are obstructed or not aligned properly your garage door will reverse and the lights will blink 10 times. Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. In general garage door sensors block the door from closing if there is an object nearby.

If the sensor doesn t receive the beam emitted by its opposite number the door won t close. The working of these sensors is quite simple. Whenever there is an obstruction the garage door will automatically reverse before causing any damage. 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.

These are located slightly above the ground on both the right and left sides of the garage doors. If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors. This precaution ensures that the door doesn t close when your car is in the doorway. They do this by using an electric eye sensor that crosses the doorway.

The same mechanism kicks in when other objects are placed near the door too. If this is not the issue then your sensors will probably need to be aligned. If you notice this happen start by seeing if anything is obstructing the sensors field of view.