Quote Originally Posted by Dana View Post
I agree and suspect it is a potentiometer reading the 26 module isn't happy with but pics would be great!
Yes if it sends an out of band voltage part way through operation it could be enough for the controller to call a halt to proceedings and flag up an 'Inconsistent reading'

Haven't sussed out how to paste a photo on the Forum but hopefully you should find some here:-

On the 'track.jpg' I've circled a very tiny imperfection but having cleaned it up and reassembled all is good - touch wood.