Franklin Electric FSWJ05P Manual Del Propietário página 8

MAINTENANCE
Troubleshooting
Troubleshooting
Problem
Pump fails to
The pump is not full of water
deliver water
The motor is not up to speed
Partially plugged impeller or injector
Low pressure
nozzle
Air leaks in suction line
Water level is deeper than 25 feet
Using too long a pipe from the water to
the pump
Low capacity
Plugged impeller or injector nozzle
The pipe from the pump to the water is
partially plugged
Improper voltage or wiring connections
Motor over-
heats
Pump is operating at too low a dis-
charge pressure
Improper ventilation for the motor
Leaks in piping or valves
Loss of pressure
Gas in water
when no water
Water level drops below the end of the
is used
pipe
Open switches, blown fuses or loose
Motor will not
connections
start
Improper connections to motor
Air leaks in pipe
Air logging
Gas in water
(excessive air in
Water level drops below the end of the
pipe)
pipe
Water level is below 25 feet
Suction pipe is too small or length of
Gravelly noises
pipe is too long
inside pump
(cavitation)
End of suction pipe is in mud or sand
Discharge pressure too low
8
Probable Causes Corrective Action
Stop the pump, fill it with water, check all pipe connec-
tions to make sure there are no air leaks and try again.
Check for proper voltage and tight wiring connections.
Check impeller and nozzle. Refer to disassembly instruc-
tions.
Check suction line connections.
Pump cannot pump below 25 feet. Contact a profes-
sional service provider.
Use a larger diameter pipe.
Check impeller and nozzle. Refer to disassembly instruc-
tions.
Check pipe.
Check that the voltage is the same as indicated on the
motor name on dataplate. Check that connections are
tight.
Cut back control valve gradually until operation is con-
stant.
Check to see if motor is clean.
Check connections.
Contact a professional service provider.
Pump is out-producing the well. Close down control
valve gradually until pump starts operating properly.
Check switches, fuses, and connections.
Check that connections are tight.
Check connections.
Contact a professional service provider.
Pump is out-producing well. Tighten down control valve
gradually until pump starts operating properly.
Contact a professional service provider.
Use a larger diameter pipe.
Raise end of suction pipe or clean out well.
Change control valve gradually until trouble is corrected.