Fuel gauges / Engine start, what do I miss?

[Guenseli]

Hello,

try to get it on from cold and dark, but miss sth obvisously.

https://i.postimg.cc/N0K49WLc/Screenshot-2023-11-29-170146.png
https://i.postimg.cc/4xLP3JfP/Screenshot-2023-11-29-170937.png

(sorry, I'm not able to post pictures here?!)

I fear, I missed sth on the electrical side.
I also can't enlight the engines.

The fuel cocks on the upper main panel are switched on

hope someone sees my error

[Guenseli]

Aaahh, found it out.
The non essentials where closed. Have reset bus bar