5 Operations in case of error
If auto-tuning is aborted due to an error, review the preset parameters according to “1. Preset-
ting of parameters” and check that the rated torque of the motor is at least 50% of the rated out-
put current of the inverter. If the load is too heavy, disconnect it and retry auto-tuning.
If the error persists or auto-tuning is still aborted, enter the motor parameter values directly.
For details, refer to 6-1-3 Motor Parameter Settings on page 6-9.
Precautions for Correct Use
•
If a trip occurs during auto-tuning, the auto-tuning process will be force-terminated and the
inverter displays a trip. In this case, refer to 10-1-2 Alarm Code List on page 10-4.
•
If the auto-tuning process is not ended, press the STOP/RESET key or reset the RUN com-
mand. This causes the process to be forcibly ended. In this case, the auto-tuning result will
not be displayed. Then, review the preset parameters in “1. Presetting of parameters”.
•
If the rated current of the motor is 50% of the rated output current of the inverter or lower,
auto-tuning may not work.
The inverter may not provide sufficient performance characteristics due to the current accu-
racy if your motor is two or more sizes lower than the maximum applicable motor capacity.
•
If the auto-tuning process is aborted, or if you interrupt the process by pressing the
STOP/RESET key or by resetting the RUN command, the auto-tuning settings may be left in
the parameters H030/H230 to H034/H234.
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