Maya character rotation problem

Hi,

I have made a very simple character in Maya and created a few animations. I used Unity's built in FBXImpoter to pull my character into Unity and added the standard assets 'ThirdPersonController' script to it to see how it looked.

My character moves around as expected, but does not rotate.

I can add the controller script to an empty game object and attach my character as a child to fix the problem... However, I can't fix it this way when playing around with the 2D jump'n'run framework.

I appreciate the fix is convenient, however I would really like to know what is wrong with my character model. I removed any keyframes from the y and z rotation to ensure they were not overriding my control inputs, however this did not have any effect. Is there anything else I can check?

Thank you very much for your time in this matter, I've been messing around with this for a long time and it's driving me nuts!