TROUBLESHOOTING
Problem
Possible Cause
Motor will not start
No power to pressure switch due to blown fuses,
open switches or loose connections.
Pump pressure switch not closed.
Pump fails to
deliver water
Pump not completely primed.
Suction lift is too great.
Foot valve is either not submerged, buried in
the mud or plugged.
Restrictor valve is fully closed.
Pump loses prime
Air leaks in suction line.
Well draws down too far.
Faulty foot valve.
For well point
installations where
pump is losing
pressure or unable
to prime
Have an electrician install a low pressure cut-off switch
to shut down the pump prior to critical failure.
Install or adjust a restrictor valve to offset
available capacity.
Add a larger tank (20 gallon or larger) for
additional capacity.
Problem
Possible Cause
Pump delivers
water but not at
rated capacity
Leaks in suction or discharge line.
Foot valve, suction line, impeller or nozzle are
partially plugged.
Suction lift is greater than recommended.
Improper impeller rotation or low speed.
Venturi or diffuser is plugged.
Motor is wired for improper voltage.
Low line voltage at motor.
Filtration cartridge (if used) needs changing or is not
installed properly.
Pump starts and
stops too often
Faulty air volume control.
Air leaks in tank above the water level.
Incorrect setting on pressure switch.
Tank is water logged or incorrectly charged.
Foot valve leaks or is stuck open.
Can't remove plugs
Use socket and ratchet instead of open style wrench.
See PLUG DESCRIPTIONS AND SOCKET SIZES.
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