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Troubleshooting
Problem
Probable Cause
The motor will not run. The disconnect switch is off.
The fuse is blown or circuit breaker tripped. Replace the fuse or reset the circuit breaker.
The starting switch is defective.
The wires at the motor are loose,
disconnected, or wired incorrectly.
The motor runs hot and
The motor is wired incorrectly.
overload kicks off or
The voltage is too low.
the motor does not run
and only hums.
The motor runs but no
The pump was not primed correctly.
water is delivered.
There are air leaks.
*Stop the pump; then
The foot valve or check valve is leaking.
check the prime before
looking for other
The pipe size is too small.
causes. Unscrew the
priming plug and see if
water is in the priming
hole.
The water level is below the suction pipe
inlet.
The impeller is plugged.
The check valve or foot valve is stuck shut.
The pipes are frozen.
The foot valve and/or strainer are buried in
sand or mud.
The pump does not
The water level in the well is lower than
deliver water to full
estimated.
capacity.
The steel piping (if used) is corroded or
limed, causing excess friction.
The piping is too small in size.
The pump is not being supplied with enough
water.
The pump leaks
The clamp is loose.
around the clamp.
Corrective Action
Ensure the switch is on.
DISCONNECT POWER; Replace the starting switch.
Refer to the Wiring instructions. DISCONNECT POWER; check and
tighten all wiring.
Refer to the Wiring instructions.
Check with the power company. Install heavier wiring if the wire size
is too small (See the chart in the Wiring section).
Re-prime according to instructions.
Check all connections on the suction line and shaft seal and AVC
with shaving cream.
Replace the foot valve or check valve.
Re-pipe using the size of suction and discharge ports on the pump.
Lower the suction line into the water and re-prime. If receding water
level in the well exceeds 25 ft. (7.6M), a deep well pump is needed.
Clean the impeller.
Replace the check valve or foot valve.
Thaw pipes. Bury the pipes below the frost line. Heat pit or pump
house.
Raise foot valve and/or strainer above bottom of water source.
A deep well jet will be needed if your well is more than 25 ft. (7.6M)
depth to water.
Replace with plastic pipe where possible, otherwise with new steel
pipe.
Use larger piping.
Add additional well points.
STOP THE PUMP. Tighten the clamp nut 1-2 turns. Alternately
tighten and tap on the clamp with a mallet to seat the O-ring. Do not
overtighten.
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