trouBLeShootiNG
SyMptoM
Pump / motor will not run
Motor runs hot and
overload kicks off
Motor runs but no water
is delivered.
*(NOTE: Check prime
before looking for
causes. Unscrew priming
plug and see if there is
water in priming hole)
Pump does not deliver
water to full capacity
(also check point 3
immediately above)
Pump delivers water but
will not shut off
Pressure switch turns
on and off every few
seconds
poSSiBLe cAuSe
1. Disconnect switch is off
2. Fuse is blown
3. Starting switch is defective
4. Pressure switch contacts are dirty
5. Not enough water
6. Pump wired incorrectly
1. Motor is wired incorrectly
2. Voltage is too low
3. Pump cycles too frequently
1. Pump in a new installation did not pick up
prime through.
a. Improper priming
b. Air leaks
c. Leaking foot valve.
2. Pump has lost its prime through.
a. Air leaks
b. Water level below suction of pump
3. Ejector or impeller plugged
4. Check valve or foot valve is stuck in closed
position
5. Pipes are frozen
6. Foot valve and/or strainer are buried in
sand or mud
1. Water level in well is lower than estimated
2. Steel piping (If used) is corroded or limed,
causing excess friction
3. Tank precharge pressure is too high
1. Impeller neck is worn
2. Defective pressure switch
3. Tank precharge pressure is too high
1. Galvanized storage tank is water logged
2. Leaky foot valve
3. Too much tank pressure
1. Be sure switch is on
2. Replace fuse
3. Disconnect power, replace starting
4. Disconnect power and file contacts
5. Stop motor, remove pressure gauge
1. Refer to instructions on wiring
2. Check with power company. Install
3. See section below on too frequent
1. In new installation:
2. In installation already in use:
3. Clean ejector or impeller
4. Replace check valve or foot valve
5. Thaw pipes. Bury pipes below frost
6. Raise foot valve and/or strainer
1. A deep well jet may be needed (over
2. Replace with plastic pipe where
3. Use larger offset piping
1. Replace
2. Replace
3. Tank precharge pressure must be
1. Replace
2. Replace
3. Adjust to proper setting
12
correctiVe ActioN
switch
with enemy board or nail file
bushing and fill case and suction line
with water
heavier wiring if wire size is too
small. See wiring instructions.
cycling.
a. Reprime according to instructions
b. Check all connections on suction
line, air volume control and ejector
c. Replace foot valve
a. Check all connections on air
suction line, volume control,
ejector and shaft seal
b. Lower suction line into water
and reprime. If receding water
level in shallow well operation
exceeds suction lift, a deep well
pump is needed.
line. Heat pit or pump house
above well bottom
25 ft. to water)
otherwise with new steel pipe
1-2 pounds less than switch cut in
setting