WHY My garage door opens but does not close?

Answer:
Check your safety sensors. Most likely they are out of balance. You should have a steady burning light on them. If not, slowly move them to the direction of the other safety sensor. That should take care of it.
First answer by Covdoors. Last edit by Covdoors. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].