RI3000 User Manual V1.1 Chapter 1 -8- Use Stage Safety Grade Precautions Before Power-on CAUTION S, T or L1, L2 and output terminals U, V, and W, wiring of inverter and its peripheral circuits, and all wires should be in good connection. Risk of inverter damage. After Power-on DANGER ² Do not open the cover after power. Rick of electrical hazard; ² Do not touches any input/output terminals of inverter with bare hands. Rick of electrical hazard. CAUTION ² If auto tuning is required, be careful of personal injury when motor is running. Risk of accident; ² Do not change the defaults of parameters. Risk of devices damage.
During Operation DANGER ² Non-professionals shall not detect signals during operation. Risk of personal injury or device damage; ² Do not touch the fan or the discharging resistor to check the temperature. Failure to comply will result in personal burnt. CAUTION ² Prevent any foreign items from being left in the devices during operation. Risk of device damage; ² Do not control start/stop of inverter by ON/OFF of contactor. Risk of device damage. Main- tenance DANGER ² Maintenance and inspection can only be performed by professionals. Risk of personal injury; ² Maintain and inspect devices after power is off.
Risk of electric hazard; ² Repair or maintain the AC drive only ten minutes after the AC drive is powered off. This allows for the residual voltage in the capacitor to discharge to a safe value. Failure to comply will result in personal injury; ² All pluggable components can be inserted or pulled out only when power has been turned off; ² Set and check the parameters again after the AC drive is replaced.