I have 5 swf (4 compact single , 1 multi - 2000 , 2004 , 2005 Model)
I don't know which model you have.
In my experienced , you need restore the defaults setting.
Check cable means machine and control box cable.
Remove cable from machine( 3 cables) and re insert.
Joint board is located left inside of machine not contol box.
If you check 3 things (restore , cable , Joint board)
That's all you can do.
Still problem You can contact here
( They are really nice. No pay)
Don't contact MESA . They don't want to help you without
Money
Good Luck..