User Manual of A90 Series Inverter Fig. 4-3 Flowchart from Power-on to F03.28=5.28 Setting modifications. Differences after parameter saving are as follows: The function code In all menu modes, the user needs to press the ENTER key to save parameter following the currently modified function code will appear in the full menu mode; the user-defined function code following the currently modified function code (according to the defined order from F11.00 to F11.31) will appear in the user-defined mode; the non-default function code following the currently modified function code will appear in the non-default mode; the fault information function code following the currently displayed fault 50