Electrical wiring equipment failures and solutions

1, the three-phase mains impassability. 2, frequency converter appear alarm; 3, PLC output disconnect; 4, communication failures. 1, check whether the three-phase power supply is sent to the inverter, or inverter output connected to the electricity Yang fastening; 2 inverter control panel, press the red reset button, until the inverter back to normal display, press the green start button again, if cannot be reset, disconnect the three-phase power supply until the inverter display put out, then close the three-phase power supply; 3, notify the factory personnel to repair. Traction not turn 1, three-phase power supply can't; 2, inverter malfunction; 3, PLC output disconnect; 4, communication failures; Five, four period of variable speed clutch is not in the file. 1, check whether the three-phase power supply is sent to the inverter, or inverter output and motor connection; 2 inverter control panel, press the red reset button, the gangue to frequency conversion back to normal display, press the green start button again, if cannot be reset, disconnect the three-phase power supply until the inverter display extinguished, diaphragm on three-phase mains again; 3, notify the factory personnel maintenance; 4, will clutch to shift.