Animator Controller not playing animations in game

Hi, I have a Walk and Idle animation setup on a character model that I created in Blender (animations also created in Blender), which I have imported to Unity but I can't get the animations to play in game.

Under the Rig I have imported as 'Generic' (as the model is just a couple of shapes, the animation is just adjusting the rotation and position slightly). And under the Animation tab I have split the start/end frames to separate the two animations. The small preview shows them both playing also.

In the Animator Controller I have created the states and transitions and again it shows both animations playing fine in the preview windows there. I have entry state to idle, then a transition in both directions between idle and move, with a parameter of IsWalking true and false for each way which is called in a movement script. (Setup the same as the Unity Survival Shooter Tutorial on Unity site).

I'm stumped as what's causing this, would be grateful for any help please.

Thanks in advance.