5. Take a look at the adjustments: Open and close the door to guarantee it stops and reverses at the desired positions. Make any vital fine-tuning adjustments if necessary. Indications of a defective limit switch incorporate the door not opening or closing fully, reversing direction unexpectedly, or even the motor https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7