The awning may be Stuck, Sometimes the Rib will work it's way out and wrap around the shaft (If that's what happened you will clearly see it.
Option 2 is not so nice and a 400 or 500 parts bill plus 1 hr labor. so I'm not going there (Seen it once)
There are two manual overrides described in your owner's manual.. ONE reuires a jumper battery or other 12 volt source and a cable that should be in the Owner's bag (One rig I worked on it was not) the other a screwdriver and damages the wiring.. but that's the court of last resort (What we had to do) 2 days later a pro replaced the motor... TWICE. But since yours started to roll up I think you are better off than he was.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times