# ID 21131

Axis or spindle for axis specific M/H-function unknown.
Description | The axis or spindle of an M/H function assigned by programming (e.g. X[M20], S[M25]) or by channel-specific parameterization P-CHAN-00039, P-CHAN-00025 is missing in the channel.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify axis specific M/H programming and/or channel-specific default parametrization (P-CHAN-00039, P-CHAN-00025). During program execution, the corresponding axes may not have left the NC channel by axis exchange commands (#PUT AX).
Parameter | %1: | Current value [-]
Number of the axis specific M/H-function
Error type | 1, Error message from NC program.