Troubleshooting Chart - Wayne SWS50-1/2 HP Instructions D'utilisation

Operating Instructions and Parts Manual

Troubleshooting Chart

ELECTRICAL PRECAUTIONS - Before servicing a pump, always shut off the main power breaker and then unplug
the pump. Make sure you are not standing in water and are wearing insulated protective sole shoes. Under fl ooded
conditions, contact your local electric company or qualifi ed licensed electrician for disconnecting electrical service prior to pump removal.
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
Possible Cause(s)
1. Power off
2. Blown fuse or tripped breaker
3. Faulty pressure switch
4. Motor overload tripped
1. Voltage does not match selector switch
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 pre-charged (pre-charged
tank)
5. Ruptured diaphragm/bladder (pre-charged
tank)
6. Leak in house piping
7. Foot valve or check valve stuck open
8. Motor overload tripping
9. Improperly adjusted pressure switch
Shallow Well Model Systems
Corrective Action
1. Turn power on or call power com pa ny
2. Replace fuse or reset circuit break er
3. Replace switch
4. Let cool. Overload will au to mat i cal ly re set
1. Check voltage
2. Rewire. See Chart 4*
3. Replace or take to service shop for re pair
1. Rewire. See Chart 4*
2. Take to motor repair shop or locate and repair
mechanical binding
3. Provide a shaded, well-ventilated area for pump
4. Pump starts and stops too often sec tion
1. Lower suction pipe further into well
2. Adjust control valve or repeat priming procedure.
3. Open faucet, repeat priming pro ce dure
4. Repair piping as needed
5. Clean or replace as necessary
6. Pull jet and clear obstruction
7. Repair or replace air volume control
8. Clean or replace as needed
9. Continue priming, paus ing ev ery 5 min utes to cool
pump body. Refill pump as need ed
10. Adjust control valve per deep well prim ing
procedure
11. Select applicable pump and/or jet as sem bly
12. Replace as needed
13. Install baffle on pump intake to pre vent gas from
entering system
14. Inspect and replace
15. Purchase a jet matched to your sys tem when
replacing another brand pump
16. Increase horsepower of pump
17. Increase suction plumbing diameter or decrease
pipe friction
1. Replace tank or air volume control
2. Clean or replace as needed
3. Move to correct pump opening
4. Add or release air as needed
5. Replace tank
6. Locate and repair leak
7. Remove and replace
8. See overload trips section
9. Readjust or replace switch
9
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