ASA and PSIA Instructor
Join Date: Apr 2000
Thanked 37 Times in 37 Posts
Rep Power: 18
The prime culprit would be the furling line binding in the drum due to too much line or the way it lays. When your largest sail is unfurled, be sure you have only 3-4 wraps left on the drum. Also be sure the line is feeding into the drum at the proper angle, per the manual. Sorry if you have all this covered.
If it ain't that above, then another possibility was there wasn't enough load to un-roll the last turns. If it's not a breezy day, try trimming the jib to close hauled to see if the load finishes the un-furling. I have seen this condition.
Certified...in several regards...