9
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
