Changing garage door openers involves shifting parts and electrical elements, so it’s imperative that you comply with security pointers: Indications of a defective limit switch involve the door not opening or closing entirely, reversing course unexpectedly, or the motor continuing to operate once the door stops. Inconsistent stopping details or https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7