Yes, disconnect and remove the flat cable from connector X834, then connect the flat cable from connector X734 directly to TMI2 connector X934 and secure. Unplug connector X10, unplug connectors X101 and X102 and bridge each of the two cables. On the TIC board, set a wire jumper from X1:14b pin2 (+24VE) to X1:14b pin10 (QSP1).
Read out the parameters before and write them down, then open the hidden parameters:
Press the "Parameter", "Cursor" and "Save" keys simultaneously. Release after P/W" then appears in the display.
Then press "+", "Cursor", "-", "Save" and "Parameter" in succession, a message appears that all parameters are enabled.
Select and confirm function P99 "Delete EEPROM", then Execute P99 "Format EEPROM". Switch the inverter off and on again Load original values ("Parameter" and "Save" press simultaneously and confirm with "+") and type in the parameters again.