Originally Posted by
Sojodave
When I took it to the bike shop, he said I tried everything he would do at home. He is going to have to test each wire to see what is going on. I've been riding Di2 for 5 years and I've never had a problem until now.
Your shop guy doesn't know what he's doing. When you plug into Shimano's eTube site (current version) it shows all components in a nifty page w/ images of each component. If a component is there, the wire is good. If if doesn't show up, most likely a bad wire or it's unplugged. Very simple.