The manufacturer of Submersible borehole pump for 8 inch tells you that the customer reports that after the submersible pump is installed and used, it will automatically trip after a period of time and start it immediately without any response. It can be started again after waiting for a few minutes to ten minutes. Why is this: The manufacturer of Submersible borehole pump for 8 inch tells you that you did not choose the correct model when purchasing the submersible pump: the actual head used is relatively low, the head of the selected submersible pump is too high, and the working conditions do not meet the selected sewage range of use of the pump.

The power supply voltage used on site is unstable: the manufacturer of Submersible borehole pump for 8 inch tells you that the voltage in many places in the countryside cannot reach the standard voltage, which leads to a large increase in the current in the stator winding of the pump motor, which leads to a large increase in the temperature of the stator winding. Motor burned out.
Mechanical failure of the submersible pump: The bearing of the submersible pump is seriously damaged, the friction between the stator and the rotor "sweeping" or the impeller is blocked by debris in the pump body and other mechanical failures will cause the submersible pump to always be overloaded and tripped.
There is a problem with the submersible pump when it leaves the factory: the manufacturer of Submersible borehole pump for 8 inch tells you that the submersible pump is overloaded due to quality reasons in the manufacture and repair of the submersible pump. Therefore, when the submersible pump trips, after eliminating the model problem, check the power supply voltage, bearings, etc. according to the conventional method, so as to ensure that the machine runs without problems.