Fan noise on Apex Processor changed after software update

Hey,

since we are finished with our latest production for now, I took the opportunity and finally installed the latest software release 3.3.5. (from version 3.2.12.)

Unfortunately the fan noise on the Apex Processor, which we are using as a backup device, changed and got significantly louder!

It is a constant sound aswell, so the fans are not changing their speed after the initial ramp up.

Is this intended behaviour or a bug? Is there anything I can do to influence fan behaviour?

Thanks and kind regards,

Tim

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