You can find a manual at the Zapi site, just search for "zapi EPS"
CAN Bus Code = 250 - Cause: It occurs when the information on the status bus between the main uC and the slave uC is frozen to the 0xFF value (the slave uC does not update the status bus configuration). - Remedy: It is necessary to replace the controller.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.