ST600s | Whistling noises from the engine – What can I do?

If the motor makes whistling noises or tends to vibrate when using a frequency inverter, this may be related to the carrier frequency of the inverter.

Solution: Adapt the carrier frequency of the output current generation to the application of the motor. To do this, change parameter P00.14.

For more details and a table with key data for the correct selection of the carrier frequency, see the operating instructions in the extended part. If these settings do not solve the problem, please contact Sourcetronic support.

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