So once you update the firmware, you can send the setlist the first time with no problem, then after you make adjustments to the pedal modline it crashes?
If you're getting a weird response curve, reset Global Sensitivity to default, Update firmware, and read this article: http://www.soundonsound.com/forum/showf ... ain=322584
All expression pedals are not created equal. It's impossible to make hardware that will work with EVERY SINGLE expression pedal. If your range is looking funny, there might not be anything wrong with your pedal or the SS they might just be incompatible.