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