Axis %1 drive %2 zero load current > rated current of power section


%1 = NC axis number

%2 = Drive number


On the basis of its no-load current (MD 1136: $MD_MOTOR_NOLOAD_CURRENT (motor no-load current), the connected motor is too large for the power section in use (continuous thermal current MD 1108: $MD_INVERTER_MAX_THERMAL_CORR (current limit for power section).

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.

1.    Reset the drive (delete the bootfile) and repeat the startup.

2.    Check the configuration and install a suitable power section for the motor. Repeat the startup.

Program Continuation:

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

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