PoE HAT on Rockpi4A+ boot issue after "telinit 0"

Hi,

I run debian 11 with kernel 5.16.15 ( armbian ).
It came to my attention after a “telinit 0” I need to attach the power adapter to get things to boot properly again. Once it is all up and running I can detach the power adapter so it runs on PoE.
Is this is config setting, or HW limitation?

thx