Troubleshooting Chart - Wayne SWS50-1/2 HP Instructions D'utilisation Et Manuel De Pièces

Troubleshooting Chart

ELECTRICAL PRECAUTIONS - Before servicing a pump, ALWAYS shut off the main power breaker and then unplug
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
NOTE: Check prime before looking
for other causes. Unscrew priming
plug and see if water is in priming
hole.
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
5. Low line voltage
1. Line voltage does not match selector switch
2. Inadequate wiring
3. Damage or misalignment causing rotating parts to
bind
4. Low line voltage
1. Low line voltage
2. Damage or misalignment causing rotating parts to
bind
3. High surrounding temperature
4. Rapid cycling
5. Inadequate wiring
1. Water level below pump intake
2. Discharge not vented while priming
3. Leak in suction piping
4. Well screen or inlet strainer clogged
5. Clogged nozzle
6. Air volume control diaphragm ruptured
7. Foot valve may be clogged or stuck closed
8. Pump not fully primed
9. Water level below maximum lift spec i fi ca tion
10. Undersized piping
11. Gaseous well
12. Distorted venturi
13. Incorrect jet for application
14. Undersized pump
15. Pump cavitates, sounds like pumping gravel
16. Low line voltage
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-charge (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 or damaged pressure switch
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
5. Contact an electrician
1. Check line voltage and voltage selector switch
(see Figure 6 on page 4)
2. Rewire
3. Replace or take to service shop for re pair
4. Contact an electrician
1. Contact an electrician
2. Take to motor repair shop or locate and repair
mechanical binding
3. Provide a shaded, well-ventilated area for pump
4. See Pump starts and stops too often section below
5. Rewire
1. Lower suction pipe further into well
2. Open faucet to allow air to vent while priming pump
3. Repair or replace to fix leak
4. Clean or replace to remove obstructions
5. Clear obstruction from nozzle
6. Replace air volume control
7. Clean or replace as needed
8. Continue priming, paus ing ev ery 5 min utes to cool
pump body. Refill pump as need ed
9. Select applicable pump and/or jet as sem bly
10. Replace as needed
11. Install baffle on pump intake to pre vent gas from
entering system
12. Inspect and replace
13. Purchase a jet matched to your sys tem
14. Increase horsepower of pump
15. Increase suction plumbing diameter or decrease pipe
friction
16. Contact an electrician
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. Adjust or replace switch
9
SWS Systems
the pump.
www.waynepumps.com