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What is a modern sefety device on an automatic garage door opener?
Wiki User
∙ 16y ago
Basically, there are two main safety mechanisms at work here:
Safety Sensors - installed on both sides of the door about 2 inches from the ground and connected to the opener, these sensors send a signal to the opener to reverse the door in case they detect that something is blocking their path.
Reverse mechanism - This one relates to the opener’s limit. The lower limit is set to the height of the floor. If the door encounters any sort of resistance during closing before it hits the floor (the lower limit the opener is set for), it should reverse.
Wiki User
∙ 8y ago
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