Ravelli rv 80 locked out

I’m locked out of the menu on my stove. Stove runs but I can’t get into the menus.

many of the settings are password protected - see your owner's manual
or page 23 of this User and maintenance manual for stoves with RDS technology
( For model with flash motherboard )
http://usa.ravelligroup.it/UserFiles/files/PDF%20OPUSCOLI/Manuals/Us_POLYTEST.pdf