Intercome does not work with Comelit model 5801/5814 Simplebus 2

There is very unpleasant experience with Ring Intercom Setup for Comelit model 5801/5814 after 2 hours of testing and swapping 2 B1, B2 wires that in instruction should be connected to two L ports the conclusion - device not working. Internet connection Starlink with 100Mbsec Signal -48dBm for RINGINTERCOM-F7, not test passed. Any solution for error p16-33-20032001 or I need to return device to Amazon

Hi @Sergei . Thank you for reaching out to Ring Community.
Please contact our Ring Intercom customer support by emailing or calling our team, and we will be more than happy to take a look at this with you. You can find our support number here: https://support.ring.com/hc/en-us/articles/10070641988500-Ring-Intercom-Support. We look forward to hearing from you.

Hi Sergei, I have the same Comelit intercom model and the same problem as you.
Were you able to solve it?
If yes, how did you do it?