Stainless steel deep well submersible pump can not start

　　The reason why the stainless steel deep well submersible pump cannot be started:

　　 1: There is no power or the switch is not closed;

　　2: The power is not turned on;

　　3: The control box is loose due to transportation vibration and poor contact;

　　4: The AC contactor coil has burned out.

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　　The solution to the inability to start the stainless steel deep well submersible pump:

　　 1: Wait for an incoming call or turn on the power switch;

　　2: Check the control box with an electric meter or electric pen, if there is no electricity, turn on the power;

　　3: Check the connection points of the control box and tighten them with a screwdriver;

　　4: Check the contactor coil with the meter "Ω", repair or replace.