Thanks for your reply Alzhao.
Yes, that was what I figured.

But you where correct, there was something wrong with the hardware.
I did a sysupgrade to domino core stockfirmware 1.3 and it didn’t work.
So I soldered a new one and it worked with both stock firmware and my compiled version.

Thanks again for your help, It could have taken me alots of hours to rule out the hardware :wink: