Sinumerik Alarm 300728 Axis %1 drive %2 adaption factor torque/current too high
Parameters:
%1 = NC axis number
%2 = Drive number
Definitions:
The matching factor from setpoint torque to cross current in the speed controller is too large.
Reactions:
– NC not ready.
– Channel not ready.
– NC Stop on alarm.
– NC Start disable in this channel.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.
Remedy:
Please inform the authorized personnel/service department. For standard motors: Reset the drive (delete the bootfile) and repeat the startup. For third-party motors: Check and, if necessary, refer to the motor data sheet to correct MD 1103: $MD_MOTOR_NOMINAL_CURRENT (rated motor current) or MD 1107: $MD_INVERTER_MAX_CURRENT (transistor limit current) or MD 1113: $MD_TORQUE_CURRENT_RATIO (torque constant).
Program Continuation:
Switch control OFF – ON.
References
- Siemens Diagnostics Guide by Siemens