Hi adesIT
It seems this error is related to the bios.
"ICS is a 12G BIOS feature that optimizes the ratio of power and performance of a system. When set to enabled in the BIOS, ICS will normally run when power related changes are made in BIOS or with hardware changes."
Your server currently running on which bios version?
If it is not the latest, please update this:-
v 1.5.3
www.dell.com/.../poweredge-t620
Let us know how it goes.