Welcome to the forum:
I suspect you have moved the motor or the tube and it is now just a bit of out of alignment.
You may already have figured things out but it sounds like you want to hit the road.
Working on this from a ladder or the roof can be tricky and sometimes dangerous.
If you have not discovered you may be able to lift the whole assembly up away from the rv a bit, tilting it up a bit. Then slide it towards the front to remove it. Be careful, it is a bit heavier than you might expect.
You might have to cut the wires and tape them back being careful to not let them retreat into the hole.
Once you can get it on a table it is much easier and safer to work on.
If you have turned the motor so it is not back in the precise location it was it may need to be readjusted if it is like mine. This can be tricky and having the long plastic allen tool really makes things easier but it can be done with a regular one.
You really have to be careful working from a ladder. I said that I know. If you unconnect the thing it can spring outward and knock you off the ladder.
All of this is guessing without a picture.
The symptom of not opening or closing, (either way) sounds like the motor did get turned and now thinks it is at its end of travel.