It is stated on the Spatial IO port GUI that it takes 45k AE and I have 53k/53k AE.

My set-up of the network includes Creative RF Generator and Energy Acceptor as a source, wired into an ME Controller using a dense cable (with energy cells placed on the side of the cable, doesn't matter if it's a dense cell or not). And on the other side, I use the dense cable to connect the controller and the completed SCS unit together.
It says on the GUI of a Spatial IO port that the SCS requires 45k AE and my network have 56k/56k AE. However, when I turn on the lever, instead of going down to 11k/56k AE and regenerate back to 56k(it's connected to the generator .), It just stuck there forever until I destroy a network connection and re-connect it again.

This happens even on a large-scale such as 11M/11M AE network that requires 3M AE
It went down to 8M/11M without regenerating back to 11M unless I destroy and reconnect again.

However, the energy cell seems to be doing fine, still accepting energy until it's full(able to tell by its color).

AE Version: AE2 RV5 Stable 6
Forge Version: 1.12.2-forge1.12.2-14.23.1.2555
MC Version: MC 1.12.2