Overview of NC errors 2.9 NC-PLC Errors TwinCAT 45 Version: 1.1 Error(Hex) Error(Dec) Error type Description 4A22 18978 initialization „Fifo must not be overwritten“ Fifo must not be overwritten since then the active line would be overwritten. It is the task of the user to secure that the active line is not modified. 4A23 18979 function „Insufficient number of Motion Function points“ The number of valid Motion Function points is less than two. Either the entire number of points is to low or the point type of many points is set to Ignore Point. Error(Hex) Error(dec) Error type Description 4B00 19200 Parameter "Axis was stopped" The axis was stopped during travel to the target position.
The axis may have been stopped with a PLC command via ADS, a call via AXFNC, or by the System Manager. 4B01 19201 Parameter "Axis cannot be started" The axis cannot be started because: • the axis is in error status, • the axis is executing another command, • the axis is in protected mode, • the axis is not ready for operation. 4B02 19202 Parameter "Control mode not permitted" No target position control, and no position area control. 4B03 19203 Parameter "Axis is not moving" The position and velocity can only be restarted while the axis is physically in motion. 4B04 19204 Parameter "Wrong mode for RestartPosAndVelo" Wrong mode.
4B05 19205 Parameter "Command not permitted" • Continuous motion in an unspecified direction • Read/Write parameters: type mismatch 4B06 19206 Parameter "Parameter incorrect" • Incorrect override: > 100% or