Instructions / Assembly

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Troubleshooting
Problem Possible Cause Corrective Action
Pump humming. 1. The motor shaft stuck.
2. Selected wrong voltage.
1. 1.1 Please use a flat head screw
driver to turn the motor shaft through
the center hole on the motor cap.
Then restart the pump.
1.2 Clean impeller and diffuser.
2. Pump was pre-set at 230V. Refer to
manual for set voltage to 115V.
Does not pump water or low flow. 1. Air in piping or did not prime.
2. The water level in the well is below the foot
valve.
3. The foot valve is plugged or leaks.
4. Impeller or nozzle blocked by foreign
material.
1. Stop the motor. Remove the prime
plug. Fill the housing pipes with
water.
2. Lower the suction pipe. If the water
level is more than 25 ft., you need a
deep well pump.
3. Replace the foot valve or dig the well
deeper.
4. Clean impeller and nozzle.
Pump does not stop or pressure does not
build up.
1. Impeller or nozzle blocked by foreign
material.
2. There is a leak in the house piping.
1. Clean impeller and nozzle.
2. Locate and repair the leak or
reconnect.
The pump starts and stops too often. 1. Pressure in pre-charged tank is not correct.
2. The pressure switch malfunctioning.
3. There is a ruptured diaphragm/bladder (pre-
charged tank).
1. Ensure the pressure in the
pre-charged tank is set to 2 PSI less
than the cut-in pressure.
2. Replace the pressure switch .
3. Replace the tank.