The chain got loose and popped off the gear.
How to fix a sagging garage door chain.
This opening system is one of the most popular options but it can manifest a problem.
Watch this video and see the professional at town country door llc demonstrates the.
If you find that your garage door opener chain has become loose with time you may want to tighten it up in order to remove some of that slack.
Over time the drive chain can loosen and create slack.
You may find that a loose garage door opener chain has less power to open and close your garage door or you may find that it is just hitting the door as it moves it and creating an annoying sound.
A sagging chain is a result of normal usage of the garage door opener.
How do i adjust it.
There may be an adjustment linked to the chain or an adjustment to the length of the door opener track.
The chain on my garage door opener seems to be sagging and rubbing on the track.
If your garage door opener uses a chain drive then it is probably like a lot of other garage doors.