First, the deep submersible pump start or running current, or even trip causes: 1, the power off, lack of power. 2, the power cord is too long and too thin, the voltage drop is too large or the power supply voltage is too low. 3, contactor damage or thermal relay trip. (Fault red light). 4, the power cord into a motor line, a box automatically broken or loose into a phase loss. 5, the motor is damaged. 6, there is a foreign body within the pump card machine. Remedy: 1, check the power, eliminate the lack of phase. 2, increase the cable, increase the supply voltage. 3, check or replace the contactor, until the thermal relay cooled manually reset. 4, check the line is good. 5, check the motor or replace. 6, clean up foreign body. Second, the deep submersible pump pumping water or water current is too large or small reasons: 1, reversing electric pump. 2, pump head is too high, the actual head low. 3, pump into the water is blocked. 4, motor windings on the geothermal insulation resistance is less than 0.5 megaohoo. 5, aging or damaged wire insulation. 6, damaged rubber cables. 7, sealed joints failure. The solution: 1, open the winding, wrap the damaged area with self-adhesive tape or rewound the new coil. 2, Find damaged place, re-bandage with self-adhesive tape. 3, demolished, pick up, re-bandaging. Third, the deep submersible pump water or intermittent water or water less fault causes: 1, the motor does not start (such as voltage, wire too thin, cable pressure drop is too large or pump stuck start up). 2, pipe blockage or filter blocked. 3, pipeline rupture or seal damage. 4, Suction outlet to reveal the water. 5, submersible pump turned to the contrary. 6, impeller mouth ring and seal ring wear. Remedy: 1, eliminate circuit failure, find out the cause of the stuck and excluded. 2, remove the blockage. 3, repair broken place. 4, decentralized submersible pump, if still no water may be more than submersible pump head range, it is recommended to change the pump. 5, exchange any two connectors cable. 6, replace the new impeller, seal ring.
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