Sinumerik Alarm 300724 Axis %1 drive %2 number of pole pairs invalid
%1 = NC axis number
%2 = Drive number
FDD: The configured number of pole pairs in the drive MD 1112: $MD_NUM_POLE_PAIRS is outside the permissible range limits. MSD: Modify MD 1134: $MD_MOTOR_NOMINAL_FREQUENCY (rated motor frequency) or MD 1400: $MD_MOTOR_RATED_SPEED (rated motor speed) is not correct.
– 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.
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 1112: $MD_NUM_POLE_PAIRS (number of motor pole pairs).
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens