Pos_z_p < 1,000

Hello,
is it a problem to enter a sub 1,000 value to POS_Z_P?
My small quad only holds alt with a POS_Z_P value of 0,630. Over this value its pumping. And when i move the stick it starts pumping.

here is the log file:
https://drive.google.com/file/d/0BxeHasQUHjS1blVsX1ltUW42ZE0/view?usp=sharing

Thanks!
Best Regards Anton

Hi Anton,

I think I need to see pictures of your quad.

Hi Leonard,
thanks for your reply!
here ar pictures:

thanks!
Best Regards
Anton