Hi my friends, I write to you because i have one problem with the sinamics CU320, ATTACH one image about the codes of error it shows me the screen.

you can see the CODE OF ERROR in the screen, But the description funny characters o letters. and i question how i do for repair the sinamics CU320. i have two CU320, CU1 and CU2, The CU2 have problems as you can see in the photo.

I also need to know what parameters I can tell if the encoder is failing or if the SINAMICS CU320 is damaged. and steps for testing.

please i need help