Once you are clear that the only problem is a slightly loose chain then you can begin fixing the problem.
Garage door chain loose when closed.
You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.
Tightening up the slack on your garage door will allow it to run more efficiently and will prevent loud noises that disrupt your home.
Step 2 turning off the power.
A loose garage door chain has less power to open and close the garage door and it can often create a loud and annoying sound as the slack hits the door.
If your garage door chain needs to be replaced tightened or if you require any other garage door maintenance or repair work count on the technicians at creative door services.
Chain driven garage door openers should have some slack in the chain for optimal performance.
If in doubt replace the chain completely.