On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor.
Garage door safety reverse system.
If your sensors or garage door motor is.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
Usually this is a sure sign that there is an issue with the garage door s photo eye system.
We hope it s obvious that the garage door auto reverse mechanism is a very important safety system.
Testing the automatic safety reverse sensors is an easy task to perform once a month.
This video will show you how to perform the test of your garage door opener s safety reversal system.
After adjusting either the force or the limit of travel retest the door opener.
Place an object such as a.
In 1993 a law was passed in the u s.
Requiring garage door operators to be equipped with a secondary reversing system which most operators have in the form of photo eyes.
The weight and pressure involved in closing a garage door can cause serious injury to someone in the path of the door.
To learn how to test your garage door opener s protecto.
Photo eyes or safety sensors are mounted to the track on either side of the.
The garage door must reverse on contact with a 11 2 inch object or a 2 by 4 board laid flat on the floor.
One quick test is to place a 2 4 on the floor of the garage in the door s path.
Improperly operating automatic reversing mechanisms on garage door openers have caused many injuries and even deaths.
Sensors are a critical safety feature but can prevent an automatic garage door from working properly.
If the door does not properly reverse on striking the 2 4 then the garage door opener should be disengaged until the unit is either adjusted according to the instructions in the owners manual repaired or replaced with a new garage door opener.
Garage door sensors prevent the garage door from closing if there s something in the way.
Test door opener monthly.
Follow these simple steps to test your garage door s automatic safety reverse sensors.