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A. Pump does not deliver water or pressure
Cause: The pump is not full of water.
Remedy: Stop the pump, fi ll it with water, check all
pipe connections to make sure there are no air leaks
and try again.
B. Low pressure
Cause: The motor is not up to speed.
Remedy: Check for proper voltage and tight wiring
connections.
Cause: The impeller is partially plugged.
Remedy: Check impeller for rocks or debris. Refer
to disassembly instruction for getting to impeller.
Cause: Air is leaking into suction line.
Remedy: Check suction line connections.
C. Low capacity
Cause: Your water level is deeper than 25 feet.
Remedy: Pump can’t pump below 25 feet. Call your
Franklin Pump Systems dealer.
Cause: You are using too long a pipe from the
water to the pump.
Remedy: You should use a larger diameter pipe.
Cause: You have a plugged impeller.
Remedy: Check impeller. Refer to disassembly
instructions above.
Cause: The pipe from the pump to the water is
partially plugged.
Remedy: Check pipe.
D. Motor overheats
Cause: Improper voltage or wiring connections.
Remedy: Check to see if your voltage is the same
as indicated on the motor name on dataplate. Be
sure all wiring connections are tight.
Cause: Improper ventilation for the motor.
Remedy: Check to see if motor is clean and
properly vented.
E. Motor will not start
Cause: Open switches, blown fuses or loose
connections.
Remedy: Check switches, fuses, and connections.
Cause: Improper connections to motor.
Remedy: Make sure connections are tight.
F. Air logging (excessive air in pipe)
Cause: Air leaks in pipe
Remedy: Check connections.
Cause: Water drops below the end of the pipe.
Remedy: Pump is out-producing well. Tighten down
control valve gradually until pump starts operating
properly.
G. Gravelly noises inside pump (cavitation)
Cause: Pump running over capacity
(NPSHR exceeds NPSHA)
Remedy: Call your Franklin Pump Systems dealer.
Cause: Suction pipe is too small or length of pipe is
too long.
Remedy: Use a larger diameter pipe.
Cause: End of suction pipe is in mud or sand.
Remedy: Raise end of suction pipe or clean
out well.
APPENDIX II - TROUBLESHOOTING