when it transfer from grid to inverter mode that time it will give a dc side spike voltage noted in the VRM site graph.
when it transfer from grid to inverter mode that time it will give a dc side spike voltage noted in the VRM site graph.
Have moved iy out of unanswered questions as no reply since early may
some more information is needed.
ie some screen shots
what model of unit and fw its running
is it happening all the time
a wiring diagram of how its setup would also help
6 People are following this question.