In this case the cable can be replaced fixing the problem.
Garage door chain broke.
Garage door cables appear to be broken when a garage door service company gets a phone call in reference to a broken spring the first thing the homeowner usually says is the cables are broken.
Press down on the chain with your finger.
To do this put some lubricant on a piece of rag this use the rag to wipe the chain.
You should have 1 2 inch of play in the chain.
Documenting how i repaired the garage door.
If your chain is badly corroded you may need to remove the chain from the carriage assembly and soak it in lubricant for a few hours.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Sometimes the cable will break if it is a combination chain and cable drive system.
Over time the sprocket s teeth can wear and the chain may jump or skip when the opener.
It seems like this is a very common problem as thi.
The chain got loose and popped off the gear.
When the lift bracket snaps on your garage door it usually damages the area where it once was attached to.
Garage door opener is very strong and seldom does the chain actually break.
A broken garage door chain will immediately impact your garage door s operation and render its automatic motorized capability effectively useless.
I am not a professional.
Pull the chain toward the garage door and hold it in position.
Immediate troubleshooting is required and a new garage door chain will need to be installed in place of the old one.