4age hitting gas too quick means engine stalls - what is the issue?

[Ryo]

Ok i installed the fuel tank with new fuel pump and started the car. Finally it was running and responded on the gas pedal i run it 3 times for about 30min without issue. Only thing i notices the car was always running in PRW mode and not going to NOR (green led). Not sure what this means. I tried to move a little bit but the car died because i didn't give it much gas. Tried to start it again but now it won't turn even the engine. Now i am confused because engine was warm rpm about 800rpm and all was looking ok.
I will look at the manual what can this mean but would appreciate any help as well.
2 questions. Could it be the starter died? And Why the engine was always in PWR mode (red led on instruments display) all the time. Thank you for any hints that will help me to locate the issue.