3
www.waynepumps.com
PLS Series
TROUBLESHOOTING CHART
Symptom
Possible Cause(s)
Corrective Action
Motor will not run
1. Disconnect switch is off
1. Be sure switch is on
2. Defective wiring
2. Refer to instructions. Check all connections
Motor runs hot and overload kicks off
1. Voltage is too low
1. Check with power company. Use heavier gauge
cord
2. Pump house not properly vented
2. Be sure pump has sufficient ventilation to cool
the motor
Motor runs but no water is delivered
NOTE: Check prime before looking for other
causes. Unscrew priming plug and see if
water is in priming hole.
1. Pump in new installation did not pick up
prime through:
1. New installation:
a.
Improper priming
a.
Re-prime according to instructions
b.
Air leaks
b.
Check all connections on suction line
c.
Leaking foot valve
c.
Replace foot valve
2. Pump has lost prime through:
2. Existing installations:
a.
air leaks
a. Check all connections on suction line and
shaft seal
b.
water level below suction of pump
b. Lower suction line into water and re-prime. If
receding water level in well exceeds suction
lift, a deep well pump is needed
3. Impeller is plugged
3. Clean impeller
4. Check valve or foot valve is stuck in closed
position
4. Replace check valve or foot valve
5. Pipes are frozen
5. Thaw pipes. Bury pipe below frost line. Heat pit
or pump house
6. Foot valve and/or strainer are buried in sand
or mud
6. Raise foot valve and/or stainer above well bottom
Pump does not deliver water to full capacity
1. Water level in well is lower than estimated
1. A deep well jet pump my be needed (over 25 ft.
(7.6M) to water)
2. Steel piping (if used) is corroded or limed,
causing excess friction
2. Replace with plastic pipe where possible,
otherwise with new steel pipe
3. Piping is too small in size
3. Use larger piping