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While connected to the power supply and using my interactive home trainer, I can hear noises coming from it, what is causing them?"Elite interactive home trainers feature an internal motor to adjust magnet position.

The movement of magnets is managed by the home trainer in order to simulate gradients or power levels.
Moreover, as soon as it's powered up, the home trainer resets the magnets to their minimum position.
The movement of magnets by the step motor produces very light vibrations, noticeable only when not pedalling.
While pedalling, these noises should be covered by the noise of the bicycle's chain."