HEX poe Lite unable to power Groove A-52HPn

Hi,
I just got my Hex lite, and I want to run two Groove-sticks off that.
However, when i plug in the Groove, it won’t start, and the port on the Hex shows Short-Circuit.

Am I missing something?

Anders

Anyone?

Try to disable short circuit detection:
http://wiki.mikrotik.com/wiki/Manual:PoE-Out#Global_settings