No heat! I know common problem element checks ok carbons in touch with drum nom broken cables. heats for 10 sec when its going clockwise then reverses and nothing . So it must be the board NO! changed board (dammed expensive) and its still doing the same and thoughts. mike
If it operates on manual dry normally then it almost certainly is a brush pick-up issue especially the rear brush. Also things stuck in the drum across the paddles can cause sensor issues (ie Band Aids, Stickers and such like)