Manually Operated, Motor-Driven Working Device With Motor Control Circuit

A manually operated motor-driven working device having a battery-powered electric motor or having an internal combustion engine, the motor-driven working device comprising:

• a user-operated operating unit;
• and
• a motor control circuit, the motor control circuit comprising:
• a control unit, configured to receive a motor operating signal from the operating unit and to generate a motor control signal on the basis thereof,
• a motor function enabling unit, configured to generate a motor function enable signal on the basis of a supplied enable control signal, and
• a redundancy control circuit, implemented as a discrete electrical circuit and configured to receive the motor operating signal and the motor control signal and to generate the enable control signal on the basis thereof.