# ID 20860

Selection or deselection of mirroring not allowed.
Description | With axis-specific mirroring, selection or deselection is determined via the coordinate value of an axis. Permissible values for deselection of mirroring are 1 or +1 and for selection, the value is –1. The programmed value differs from the permissible values.

[PROG// Section: Mirroring with axis specification (G351)]

Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify the coordinate values.
Parameter | %1: | Error value [-]
Invalid coordinate value. Only +1, 1 or –1 are allowed.
Error type | 1, Error message from NC program.