Fault phenomenon Remedy Eliminate the motor does not turn 1. The supply voltage is too low 1. Avoidance of electricity peak 2. The wire is thinned to start the voltage drop 2. Replace the wire as required 3. Centrifugal switch failure or capacitor damage 3. Adjust the centrifugal switch or Replace the capacitor 4. Mechanical parts stuck 4. Adjust the gap cleaning. Rust. Degreasing 5. Winding burned 5. Winding replacement winding 6. Cable segment 6. Cable replacement 7. Stop between the motor (thermal protector action) Reduce the flow or mechanical resistance 8. Power off 8. Check the power reasons, troubleshooting. 9. Three-phase charging junction box inlet wiring blown 9. Disconnect the junction box, connect broken wire 10. Cable and control box connection is poor 10. Reconnect 11. Underwater cable joints are not tight or cable sheathing And the core insulation is damaged 11. Reconnect and replace the cable. Not on the water 1. Out of range 1. Replace the pump in line with the requirements of use 2. Motor does not turn 2. Check the motor does not turn the reason 3. Pump output hose connector leaks 3. Re-install Insufficient water 1. Pump super-head running 1. Truncate the outlet pipe or reduce the height of the outlet 2. Impeller or filter plugging 2. Clear debris 3. Low voltage caused by the decline in speed 3. Escape the peak 4. Three-phase motor steering error 4. Exchange any two-phase wiring Position 5. Impeller wear 5. Replace impeller Insulation resistance is low 1. Sealing damage caused by motor water 1. Replacement seals 2. Cable or winding damage 2. Cable replacement, winding replacement 3. Cable connector inlet 3. Re-connector Large noise 1. Bearing damage 1. Replace the bearing
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