# ID 90137

Tool radius compensation: Contour error due to selection block.
Description | The length of the selection point of tool radius compensation is smaller than the tool radius. This means that the tool is tool close to the contour when tool radius compensation is selected and the contour will be damaged.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify the NC program. Move the point of selection of TRC.
Parameter | %1: | Block number [-]
Corresponding block number in NC program
Error type | 1, Error message from NC program.