Troubleshooting for Submersible Water Pump For Deep Well

1: The power supply is out of power or the switch is not closed;
2: The power is not connected;
3: The control box is loose due to transportation vibration and poor contact;
4: The AC contactor coil of Submersible Water Pump For Deep Well has burned out.
5: Wait for an incoming call or turn on the power switch;
6: Check the control box with an electric meter or electric pen, if there is no electricity, turn on the power;
7: Check the connection points of the Submersible Water Pump For Deep Well control box, and tighten them with a screwdriver;
8: Check the contactor coil with the meter "Ω", repair or replace it.
9: One phase of the power supply is open;

10: One phase of CJ main contact is burnt out;