Axis %1 drive %2 motor moment of inertia less than or equal to zero


%1 = NC axis number

%2 = Drive number


The value in MD 1117: $MD_MOTOR_INERTIA (motor moment of inertia) is less than or equal to zero.

The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not ready).


-    NC not ready.

-    The NC switches to follow-up mode.

-    Channel not ready.

-    NC Start disable in this channel.


-    Interface signals are set.

-    Alarm display.

-    NC Stop on alarm.

-    Channel not ready.

Please inform the authorized personnel/service department.

For standard motors: Reset the drive (delete the bootfile) and repeat the startup.

For MSD, configure "1st motor" first.

For third-party motors: Enter a valid value in drive MD 1117: $MD_MOTOR_INERTIA (motor moment of inertia).

Program Continuation:

Clear alarm with the RESET key in all channels. Restart part program.

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