Problem : Rendering maya fluids with Renderman

[andrect]

I am trying to render realistic looking fire in Renderman and i am getting a bunt out look is there any settings i can tweak to get more of a fire look like what one gets with maya software render.
Using renderman as my main renderer and would be great to use it with the fluids as well

please help.

attached are two images one in Renderman(test_3_59) and one in maya software (test3_23)