# ID 44062

FB error: MC_GearIn Value at input pin "Mode" has to be one of type MC_GearInMode.
Description | Function block MC_GearIn has a "Mode" input to determine how the slave axis and master axis are coupled. The error message is displayed because an invalid value is assigned at input "Mode".
Response | Class | - | The job is dismissed by the FB and not issued to the motion controller.
Solution | Class | - | Assign a valid value to the "Mode" input. Please refer to the description of the function block MC_GearIn [MCP-P1//MC_GearIn] for permissible values. A rising edge at the "Execute" input sends a new job to the motion controller.
Error type | -