Common failure of automatic swirl self - priming pump and its treatment

(1) Turn on the cause of the frequent start of the leading motor and the solution ① The tap is small (open the tap); please adjust the pressure of the pressure switch properly by professionals: first power off, remove the pressure switch cover, use "+" or "-" direction slowly twist, screw to the appropriate position; use with "A" with a large pressure tank electric pump) ⑵ turn off the leading motor non-stop causes and solutions ① water level is lower than the suction pump Of the installation height) ② outlet pipeline pressure is lower than the switch off pressure, can not guarantee the switch is completely disconnected (please professionals appropriate to reduce the pressure switch pressure value: first off, remove the pressure switch cover, use a screwdriver to "-" The direction of slow twist, screwed to the right position) ③ pump for drawing circulating water (manual control of the power switch) ④ electric pump outlet pipe without valves, water is directly drawn into the tank (in the outlet pipe or valve With float switch) ⑶ frequent start-up of the motor causes and solutions ① pump leakage check valve (Check the check valve is leaked) ② pipeline or faucet leakage (check (4) Open the faucet, the motor does not start the causes and solutions ① The pressure of the inlet pipe is greater than the pressure of the switch to start (please reduce the pressure of the pressure switch properly by professionals: first power down, Remove the pressure switch cover, use a screwdriver to slowly twist the "+" direction, twist to the appropriate position)