Five. Test the adjustments: Open and close the door to guarantee it stops and reverses at the specified positions. Make any necessary wonderful-tuning adjustments if necessary. First points very first, Permit’s talk about what can make up your garage door opener. A Chamberlain opener has a number of key areas: https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7