The fault code of Blue Ocean Hua Teng Inverter may be caused by torque exceeding the set range or overload exceeding the rated torque. Check for mechanical failure, reduce load or reset parameters.
It is also possible that the output current exceeds the rated current range. Check whether the output load current exceeds the rated current, and check whether the motor is short-circuited or the wiring is loose. If it is loose, please reconnect it.