Natos,
I have an ICE and use Electrifly Equinox balancers for my flight packs. With the Equinox, I press the black button so that the "Interface Mode" light lights up, then I hit the charge dial/button on the ICE.
I downloaded the manual for the Hyperion balancer and have to admit that it doesn't work the way any other balancer that I have ever seen before works. You have to connect the balancing jack from the battery, AND the main power output from the battery to the blanancer? Weird. Never seen that before.
The Hyperion balancer manual is pretty clear. Are you sure you re-wired it correctly?