先關掉水泵電源，拿起水管再重新接駁至水泵，確保水管的圓型接盤緊密地接上水泵的接座（泵的頂部與水管緊密連接）；如果水管正確連接至水泵，頂部應呈水平擺設。Disconnect the power, remove the pipe and reconnect it to the water pump (top of the water pump should be well connected to the pipe), and should reached a horizontal level.