Failure and troubleshooting methods Forms of failure Reason for the way Pump does not water 1. Pump reversal 2. Water pipe leaks 3. Pump cavity is not enough 4. Voltage is too high, Valve is not open 1. Change the electrical wiring 2. Community gas leakage 3. Increase the storage ç’— 4. Adjust the voltage 5. Lower the pump installation location 6. Calibration or replacement of the valve flow is insufficient 1. The suction pipe diameter is too small or Blockage 2. Impeller flow blockage 3. Excessive lift 4. Insufficient rotational speed 1. Swap or wash flush valve 2. Clean impeller 3. Open large valve 4. Regenerate rated speed Low lift 1. Excessive flow rate 2. Rotational speed Too low 1. Shut off the water outlet valve 2. Too much noise at the rated speed 1. Serious shaft wear 2. Serious wear on the bearing 3. Contact between outer magnet and inner magnet and spacer 4. Seal ring and impeller 1. Replace pump Shaft 2. Replace the bearing 3. Remove the pump head reassembly 4. Replace the thrust ring, seal ring leakage O ring damage Replace O ring
Valve
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