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Idiomas disponibles
Idiomas disponibles
Operating Instructions and Parts Manual
Troubleshooting Chart
Symptom
Pump will not run
Motor hums but will not run
Overload trips
Pump runs but delivers little or no
water
Pump starts and stops too
of ten
* All rewiring and motor repair must be done by licensed or certified professionals
Possible Cause(s)
1.
Power off
2.
Blown fuse or tripped breaker
3.
Faulty pressure switch
4.
Motor overload tripped
1.
Low line voltage
2.
Wiring too small
3.
Damage or misalignment causing rotating
parts to bind
1.
Incorrect line voltage
2.
Damage or misalignment causing rotating
parts to bind
3.
High surrounding temperature
4.
Rapid cycling
1.
Water level below pump intake
2.
Control valve open too far (deep well)
3.
Discharge not vented while priming
4.
Leaking in piping on well side of pump
5.
Well screen or inlet strainer clogged
6.
Clogged nozzle (deep well)
7.
Air volume control diaphragm ruptured
8.
Foot valve may be clogged or stuck closed
9.
Pump not fully primed
10. Control valve completely closed (deep well)
11. Water level below maximum lift spec i fi ca tion
12. Undersized piping
13. Gaseous well
14. Distorted venturi
15. Incorrect jet for application
16. Undersized pump
17. Pump cavitates, sounds like pumping gravel
1.
Water logged tank (conventional tank)
2.
Air volume control tubing kinked or clogged
3.
Air volume control tubing connected to wrong
opening on pump
4.
Incorrect tank precharged (precharged tank)
5.
Ruptured diaphragm/bladder (precharged tank)
6.
Leak in house piping
7.
Foot valve or check valve stuck open
8.
Motor overload tripping
9.
Improperly adjusted pressure switch
Corrective Action
1.
2.
3.
4.
1.
2.
3.
1.
2.
3.
4.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Adjust control valve per deep well
11. Select applicable pump and/or jet as sem bly
12. Replace as needed
13. Install baffle on pump intake to pre vent gas
14. Inspect and replace
15. Purchase a jet matched to your sys tem
16. Increase horsepower of pump
17. Increase suction plumbing diameter or
1.
2.
3.
4.
5.
6.
7.
8.
9.
9
Turn power on or call power com pa ny
Replace fuse or reset circuit break er
Replace switch
Let cool. Overload will au to mat i cal ly re set
Rewire. See Chart 3
Rewire. See Chart 3
Replace or take to service shop for re pair
Rewire. See Chart 3
Take to motor repair shop or locate
and repair mechanical binding
Provide a shaded, well-ventilated area
for pump
Pump starts and stops too often sec tion
Lower suction pipe further into well
Repeat priming procedure
Open faucet, repeat priming pro ce dure
Repair piping as needed
Clean or replace as necessary
Pull jet and clear obstruction
Repair or replace air volume control
Clean or replace as needed
Continue priming, paus ing ev ery 5
min utes to cool pump body. Refill
pump as need ed
prim ing procedure
from entering system
when replacing another brand pump
decrease pipe friction
Replace tank or air volume control
Clean or replace as needed
Move to correct pump opening
Add or release air as needed
Replace tank
Locate and repair leak
Remove and replace
See overload trips section
Readjust or replace switch
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JCU50
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