# ID 20986

Function not allowed for clampable axes.
Description | One of the axes involved in synchronous operation (master or slave) is a so-called "clampable axis". This property is not permissible for synchronous axes.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | The property "Clampable axis - ACHSMODE_CLAMPABLE" must be disabled in the corresponding axis list in parameter P-AXIS-00015 (achs_mode). Then a controller restart or a reload of the axis parameters is necessary.
Parameter | %1: | Logical axis number [-]
Axis number of the master axis
%2: | Logical axis number [-]
Axis number of slave axis.
Error type | 1, Error message from NC program.