Quote:
Originally Posted by Winnisquamguy
These sensors are called "eyes" and usually if they are out of adjustment will give the door problems. If the door is stopping before it hits the ground there is a force knob on the back of the motor(LiftMaster, Craftsman) that you can adjust also.All doors installed from the mid nineties should have a set of electric eyes on them.
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The eyes are mounted roughly between 4 and 6 inches from the floor on the rails,based on nicoles 1st post the door buckled on the way down,and that has nothing to do with the eye's,that has to do with the motor either not having the reversing safety or a malfunction to do with that safety in the motor electronics itself.