This can be an easy fix.
Garage door chain came off pulley.
Follow me in this video on how.
The reason the chain went off track was because the chain.
This could be the issue.
Is your cable off on your garage door.
Once you have done this you can then tighten your garage door opener chain.
For whatever reason the garage door won t open and or close.
After close examination we found the chain was off track.
Garage door didn t open in the morning.
Cables may come off the pulley system because of uneven operation on the two sides of the door opener system.
One bolt will tighten up the chain the other loosen it.
Garage door cables can spin off.
Tighten the chain and then turn the power back on.