To manually open most garage doors you simply pull a corded handle that is attached to the door.
Setting garage door to manually opening.
This emergency release cord will be attached to the trolley in the center of the garage door.
To reattach your garage door to opener system you ll pull the emergency release cord down and towards the opener.
Many electronic garage doors come with a bypass switch allowing you to override the system and manually lift it open when needed.
It should click in place.
Diagram of garage door engaged and disengaged to screw drive opener system.
Consult it first before tinkering with your door.
This disengages the electric drive from the door and you can manually open and close it.
It makes the door operate quiet and makes the chain and all.
If the door simply stops short of the floor the likely culprit is the down limit switch.
Place a stepladder beneath the box portion of the garage door opener.
To locate the bypass switch look for a red rope hanging down from your garage mechanisms.
Have a helper steady the ladder.
Keep your owner s manual on hand.