If the line of the string isn t level adjust 1 or both garage door sensors by sliding the mounting bracket upward.
Setting garage door opener electric eye.
This video is for liftmaster chamberla.
Sears craftsman garage door openers have an important safety feature that prevents the door from closing when something or someone is in the way.
Check that the line of the string is level.
But they are also required to be connected to the opener and adjusted properly or the garage door opener will not function.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
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Lay a level so the bottom runs along the string.
The photo eye of an automatic opening garage door is a safety feature.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
So reconnect them to the opener and check their alignment.
To test the safety eye system start the door closing then use a controlled obstruction to break the safety eye beam.
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They should be pointing directly at each other.
When the beam is broken the garage door movement should reverse direction and the garage door should return to the fully open position.
If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle.
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Continue until the sensors are once again level.
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