Thank you again. I hope in next days i will find opportunity to share my experience by writing short instructions how to set IP.

I have decided that i will look for stronger motor. I know that in my campervan can fit
many motors. But here in Slovenia i can legally drive only with motors which were used
on that campervan for that year. I will open new post by asking where can i get this information. I am looking for some document that wil prove that specific motor was used in that serie campervans in that year when my was built. So then i will go technical office to change my document.