1. The soft starter does not start and the fault-free code appears, perhaps because the control power supply is not connected, the solution is to check the power supply of the control power supply to see if the circuit connection is correct.
2. When the motor announces a hum/no start signal, the motor starts, perhaps because the thyristor/module may be damaged by breakdown, and the bypass contactor is electrocuted and bonded, the solution is to check the thyristor/module for replacement, and check and correct the cause of the accident.
3. In the process of starting and running, the motor is abnormal in motion and static, perhaps because the motor is out of phase, you should look inside the junction box motor.
4. When the motor is stopped, the movement and static are abnormal, perhaps because the buck time is incorrect, and the solution is to try different buck times (in order to get the ideal effect, it may be necessary to make multiple adjustments).
5. When using the hard input start signal, the motor cannot start, perhaps because the control connection is incorrect, the start and stop signals are announced at the same time or because the keyboard is in the local control menu, the solution should be to check the start and stop links, check whether the start and stop signals are sent at the same time, and then check whether the keyboard is in the local control menu, and check whether the parameter center line control is activated.
6. When using the bus communication input starting signal, the motor does not start, perhaps because the bus parameters are set incorrectly, the solution should be to check whether the online control has been activated, and to check whether the programmable input is set correctly.
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E.bC
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