This is related to the up limit switch.
Garage door opener randomly works.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
There are a few unusual factors that can cause your door open by itself.
When the garage door opener works intermittently the logic board may be experiencing radio frequency rf interference from nearby sources such as security lights ham radios and some electronics.
Residential electric garage door openers manufactured after 1993 are equipped with two safety mechanisms that operate while the door is closing.
Garage doors use radio frequencies to open and close.
Locate and eliminate the source of the rf interference.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
The first is photoelectric and the second is mechanical.
Here are a few scenarios we ve come across.
Try making small adjustments.
Below are three reasons why your garage door opens on its own and some quick fixes you can try.