Importance

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Abstract

A method operates an electrical treatment device having a user-operable operating switch, and a motor electronics system with a motor control and an electric drive motor. The operating switch is electrically connected to a drive voltage source on the input side and to the motor electronics system on the output side. The motor electronics system is electrically connected to the electric drive motor on the output side by way of the motor control. The method includes the steps: monitoring whether an input voltage at the motor electronics system meets a closed criterion or an open criterion, wherein the closed criterion is characteristic of a closed switching state of the operating switch, and wherein the open criterion is characteristic of an open switching state of the operating switch; and when the open criterion is met, operating the motor control in a state from an open state set, wherein the open state set includes a voltage control state for limiting an increase in the input voltage caused by the running-down electric drive motor.

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First Claim