4-10
4
Autotuning Alarms and Faults
Data Input Errors
The inverter will show a “Data Invalid” message and will not perform autotuning if:
• the motor speed, rated frequency and pole pair number do not correspond.
• the rated current does not correspond to the rated power value
The inverter calculates the motor power using the input current value and data from the internal motor data
table. The calculated value must be between 50% and 150% of the input value for the rated power.
Other Alarms and Faults During Autotuning
For an overview of possible autotuning alarms or faults and corrective actions refer to page 7-14, Auto-tuning
Faults.
Motor Speed
Base Frequency 60⋅
2 Motor pole⋅
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