Problem
Possible Cause
Corrective Action
Pump does
not start or
run
Pump will
not prime
1.
2.
3.
4.
Power off
Blown fuse or tripped breaker
Faulty pressure switch
Motor overload tripped
1.
2.
3.
4.
Turn power on or call power company
Replace fuse or reset circuit breaker
Replace switch
Let cool. Overload will automatically
reset
1.
2.
3.
4.
5
Not enough water
Pump wired incorrectly
Plugged venturi or nozzle
Foot valve is plugged or leaks
Low water level
1.
2.
3.
4.
5.
Stop motor; remove pressure gauges
or prime plug; fill housing pipes with
water
Wire pressure switch properly; call
customer service
Remove ejector and venturi or nozzle;
clean
Replace foot valve or dig well deeper
In deep well application, foot valve
and ejector must be below water level
Pump
operates
but pumps
little or no
water
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Water level below pump intake
Discharge not vented while priming
Leaking in piping on well sideof
pump
Well screen or inlet strainer
clogged
Foot valve may be cloggedor stuck
closed
Pump not fully primed
Water level below maximum lift
specification
Undersized piping
Lncorrect jet for application
Undersized pump
Improper voltage
Lower suction pipe further into well
Open faucet, repeat priming procedure
Repair piping as needed
Clean or replace as necessary
Clean or replace as needed
Continue priming, pausing every 5
minutes to cool pump body. Refill
pump as needed
Select applicable pump
Replace as needed
Purchase a jet matched to the system
when replacing another brand pump
Change to install a pump with higher
horsepower
Check voltage switch
Pump starts
and stops
too often
1.
2.
3.
4.
5.
Incorrect tank pre-charged
Ruptured diaphragm/bladder
(pre-charged tank)
Leak in house piping
Foot valve or check valve stuck
open
Improperly adjusted pressure
switch
1.
2.
3.
4.
5.
Add or release air as needed
Replace tank
Locate and repair leak or reconnect
Remove and replace
Readjust or replace switch
1.
2.
Leak in house piping
Improper setting of pressure
switch
1.
2.
Locate and repair leak or reconnect
Reset or replace pressure switch
Pump does
not shut off
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12