High pitched noise on WD-20

I am getting a high pitched noise on my mount that is parked and not moving. Anyone else seeing this?

Hi,

For high pitched sound, it’s due to motor been set with high frequency response parameter, which considered better for large load and accuracy. It may be noticeable especially on light load or standby.
On new 20.21W firmware of WD-20, this parameter can be adjusted by user. For changing to lower level that the sound will be reduced.

Regards.
WarpAstron Support

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Hi, I can confirm that on my new WD-20 mount, which I bought last week, I also noticed such a noise in stand-by.