# ID 20959

Selected synchronisation mode for this M-function not permitted.
Description | In connection with latch axes, the synchronisation type currently assigned in the channel parameters (P-CHAN-00041) for the M function M10 or M11 PROG] is not permitted. For further information see[FCT-C1]
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | In the channel parameters (P-CHAN-00041) for M10 or M11, enter the type of synchronization required for latch axes.

- M10 (Select latch axes) must be of type MNS_SNS .
- M11 (Deselect latch axes) must be of type MVS_SVS .

After that a new start-up of the control or a reload of the channel parameters is necessary.

Parameter | %1: | Current value [-]
Number of the M function with invalid synchronization type
Error type | 1, Error message from NC program.