Power on the unit. The panel should show 0.0 (output frequency). Select Parameter: Navigate to parameter d-00 .
If the manual repack is because the buttons aren't responding: convo inverter cvfs1 manual repack
Use the keypad to navigate to the parameter initialization setting (typically found in the group in Convo manuals). Initialization Code: Set the specific initialization parameter (often or similar, depending on the firmware version) to the value to restore factory settings. Confirmation: Power on the unit