The signal lines RWA_ALARM, NORMAL_BETRIEB are pulled up (at first internal pull up it did not worked and after that in the pcb I have externally pulled up as well) but the voltage level on those lines are around 1-1.5 volts.

If anyone knows the reason/solution please let me know. (if there are ...

That worked, thank you.

I am using windows 11

The following dev board is being used to program.

https://www.digikey.de/de/products/detail/espressif-systems/ESP-PROG/10259352?utm_adgroup=&utm_source=google&utm_medium=cpc&utm_campaign=PMax%20Shopping_Product_New%20Customer%20SKUs&utm_term=&productid=10259352&gclid ...