Sometimes a garage door won t open or close for one reason only the operator has no power connection.
Garage door bows when opening.
I believe there will always be a slight bowing as the pushing and pulling of the door exerts pressure on the rail.
There are several factors that may cause a garage door to bow in the center.
My only suggestion is the ensure that the door operates properly and easily without the gdo and then re connect the door.
Door openers that attach to doors pull on the upper middle of the top section causing the center of the section to bow over time.
In the funniest of scenarios the problem will simply be due to an unplugged power cord.
One of the best features of garage bow is that you are able to open and close your garage door by simply cutting the magnet along the breaks in your garage should only be 3 4 cuts.
You might have absentmindedly unplugged the operator as you were exiting the garage through your internal door to the house.
My gdo rail bows slightly when opening and closing as well.
Garage door struts are available at home improvement centers to fix your bowed garage door.