In the debugging process, there is a soft start report phase failure, the soft starter fault light is on, the motor is not responding. The cause of the failure may be: 

a-start mode of power, the operating order is incorrect (the correct operating order should be the first main power supply, after the control power supply). 

b-Power missing, soft starter protection action (check power supply) The output of the 。

c-soft starter is not loaded (the soft starter does not work properly after the output is attached to the load)。