If an object interrupts the beam.
Liftmaster garage door sensor alignment.
For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
Press the remote control.
If the door closes your issue is solved.
Explore more replacement parts below.
To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
How to align liftmaster garage door sensors.
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Reversing sensors on your garage door repair garage door sensor align safety reversing sensors align the safety reversing sensors.
See how to align safety reversing sensors.
Align the safety reversing sensors.
In this case you will set up the level aligned with one sensor then adjust the opposite sensor until the beam of your laser level is hitting the sensor.
One of the sensors directs a beam toward the other.
The safety reversing sensors may have become misaligned or obstructed.
The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one.
High quality rigorously tested and durable only liftmaster parts are recommended for repairing your garage door opener.
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.
If you have a laser level you can use it instead of a string to align your garage door.
The photo eye consists of two sensors one on either side of the garage door about 6 inches above the ground.