no readings on clamp2

Hi all, I cant get any readings on clamp 2. I just installed HEM ver 1. I have verified the direction of the arrows on the clamps. I have updated the clamp firmware to 3.67.
I will welcome all thoughts.
Thank you for your direction and support

Try following this guide.

http://forum.micasaverde.com/index.php/topic,29935.0.html