– check the connecting cable, motor/drive converter (phase missing)
– Check the motor contactor检查电机连接器
– DC link voltage present?检查直流母线的电压
– check the DC link busbar (check that the screws are tight)检查直流母线的连接
– Uce monitoring function in the power section has responded (RESET
by powering off/powering on)
– Replace the power section or control module更换功率板或控制板