Troubleshooting - Franklin Electric Shallow Well Jet Pump El Manual Del Propietario

TROUBLESHOOTING

Problem
Pump does not deliver
water
Low pressure
Low capacity
Motor overheats
Loss of pressure when no
water is used
Motor will not start
Air logging (excessive air
in pipe)
Gravelly noises inside
pump (cavitation)
Possible Cause
1. The pump is not full of water
1. The motor is not up to speed.
2. The impeller or injector nozzle is
partially plugged.
3. Air is leaking into suction line.
1. Water level is deeper than 25 feet.
2. You are using too long a pipe from the
water to the pump.
3. You have a plugged impeller or
injector nozzle.
4. The pipe from the pump to the water is
partially plugged.
1. Improper voltage or wiring connections.
2. Pump is operating at too low a
discharge pressure.
3. Improper ventilation for the motor.
1. Leaks in piping or valves.
2. Gas in water.
3. Water level drops below the end of
the pipe.
1. Open switches, blown fuses or
loose connections.
2. Improper connections to motor.
1. Air leaks in pipe.
2. Gas in water.
3. Water drops below the end of the pipe.
1. Water level is below 25 feet.
2. Suction pipe is too small or length of pipe
is too long.
3. End of suction pipe is in mud or sand.
4. Discharge pressure too low.
Remedy
1. Stop the pump, fill it with water, check all
pipe connections to make sure there are no
air leaks and try again.
1. Check for proper voltage and tight wiring
connections.
2. Check impeller and nozzle for rocks or
debris. Refer to disassembly instruction for
getting to impeller.
3. Check suction line connections.
1. Pump can't pump below 25 feet. Call your
Franklin Electric dealer.
2. Use a larger diameter pipe.
3. Check impeller and nozzle. Refer to
disassembly instructions.
4. Check pipe.
1. Check to see if your voltage is the
same as indicated on the motor name on
dataplate. Be sure all wiring connections
are tight.
2. Cut back control valve gradually until
operation is constant.
3. Check to see if motor is clean.
1. Check connections.
2. Call your Franklin Electric dealer.
3. Pump is out-producing the well. Close
down control valve gradually until pump
starts operating properly.
1. Check switches, fuses, and connections.
2. Make sure connections are tight.
1. Check connections.
2. Call your Franklin Electric dealer.
3. Pump is out-producing well. Tighten down
control valve gradually until pump starts
operating properly.
1. Call your Franklin Electric dealer.
2. Use a larger diameter pipe.
3. Raise end of suction pipe or clean
out well.
4. Change control valve gradually until
trouble is corrected.