In the majority of cases, a photo eye sensor will be installed on the garage door sensor. Despite protections in place to prevent the security system from failing, garage door openers can be bypassed. These safety precautions are intended to prevent injury and property destruction. The sensors detect objects in the path of the door closing and will not allow the door to shut while those objects remain. ![]() ![]() Since the early 1990s, garage door openers have been required to include several safety mechanisms.
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