I do 10% max from most to least tension suspension member too. What menu numbers do you view the individual load cell values on?

The Otis documents say to use seizing wire like you do, but to wrap it with tape afterwards, they are very worried about scratching up/damaging the sheave surfaces. I use braided line because I don't have to worry about it damaging the sheave and its much more flexible, making it easier to pull through the tight bends with these small diameter sheaves.