Clothes treating apparatus and control method thereof

A clothes treating apparatus comprising:

• a drum;
• a door provided to open and close the drum;
• an opening/closing switch provided to output a signal in response to opening or closing of the drum by the door;
• a motor provided to rotate the drum;
• a controller configured to generate a control command for controlling a rotational speed of the motor;
• a driving device comprising an inverter provided to convert power applied to the motor and an inverter driver provided to output a control signal of the inverter in response to the generated control command;
• a protection switch connected between the opening/closing switch and a first power terminal;
• and
• a photo coupler connected between the protection switch and a terminal of the inverter driver, and connected a second power terminal,
• wherein
• the protection switch is turned off based on the opening/closing switch being turned off, and is turned on based on the opening/closing switch being turned on,
• the photo coupler is turned off based on the protection switch being turned on, and is turned on based on the protection switch being turned off,
• the terminal of the inverter driver is connected to the second power terminal based on the photo coupler being turned off, and is connected to a ground based on the photo coupler being turned on, and
• the inverter driver turns off the inverter based on the terminal of the inverter driver being connected to the ground and turns on the inverter based on the terminal of the inverter driver being connected to the second power terminal.