"Lost communication with MCU"

Hello all.

I bought this new SKR 1.4 Turbo to control my custom corexy that had a Duet 2 wifi (it died).

With this new board when I try to home the axis (any of them) or heat the hotend I get immediately “Lost communication with MCU”. Heating the bed is fine.

I’ve tried with an old SKR 1.3 that I had in another printer and the result is the same.

What i’ve done already:

Tried different cables.
Tried with a different Rasp Pi
Reflashed the board

I’ve attached the logs from klipper
klippy.log (260.7 KB)

Thanks in advance

did you solve your problem?