Safety Precautions Maintenance and Inspection 9 WARNING Do not remove the front cover during the power supply. Doing so may result in a serious injury due to an electric shock. Be sure to put on the front cover before turning on the input power. Turn off the input power of the Inverter and wait for more than 10 minutes before changing wiring or operating the DIP switch. Not doing so may result in a serious injury due to an electric shock. CAUTION Do not touch the fins, Braking Resistors, which become too hot during the power supply and for some time after the power shutoff. Doing so may result in a burn. Do not dismantle, repair or modify the product. Doing so may result in an injury.