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Strange problem with new firmware

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Hello, I installed the new firmware with the new version of Cura and I have this strange problem:

during the print session, the fans speed is slow down by the machine, when I rise again the speed using the tune menu, after a little time the machine slow down again the velocity to 7%. What can I do?


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The fan speed increases gradually from off at the start to whatever speed you set in the Cura, by the height you specify. So check the settings in Cura's expert settings.

The gradual increase is done by setting a new fan speed on each layer. Consequently, if you change it in the tune menu, it will get reset on the next layer start.

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