Analyze weather stripping: Thick or broken temperature stripping can reduce tight closure; trim or change as necessary. Signs of a defective limit switch contain the door not opening or closing fully, reversing direction unexpectedly, or maybe the motor continuing to run following the door stops. Inconsistent halting points or failure https://youtu.be/wSkWTAdm-Gg?si=pR5EXdjVuNYjtHN7