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| INSTALLATION MANUAL | ||||
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TROUBLESHOOTING (CONTINUED) |
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Symptoms | Possible Cause(s) | Suggested Remedies | |||||||
Pump shuts off | 1. | Excessive water temperature | 1. | Pump should not be used for water above 120º F | |||||
and turns on | 2. | Switch | 2. | Replace switch kit | |||||
independently | |||||||||
3. | Switch Obstruction | 3. | Remove obstruction to ensure free motion of switch | ||||||
of switch (trips | |||||||||
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thermal overload | 4. | Obstruction in discharge pipe | 4. | Remove obstruction in discharge piping | |||||
protection) |
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Pump may start unexpectedly.
Disconnect power supply before servicing.
Pump operates noisily or vibrates excessively
Pump will not shut off
5. Low line voltage
1.Worn bearings
2.Debris in impeller cavity or broken
3.Piping attachments to building structure too rigid or too loose
1.Switch
2.Switch obstructions
3.Restricted discharge (obstruction in piping)
5a.Contact an electrician.
5b.Do not use an extension cord.
1.Replace pump
2.Remove screen and volute, clean impeller and/or replace impeller
3.Install rubber coupling (available at local hardware stores) to isolate pump vibration from discharge plumbing
1.Replace with switch kit
2.Remove obstruction to ensure free motion of switch
3.Remove obstruction from discharge piping
Pump operates but delivers little or no water
4. | Excessive inflow or pump not | 4. | Recheck all sizing calculation to determine proper pump size |
| properly sized for application |
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1. | Low line voltage | 1a.Contact an electrician | |
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| 1b.Do not use an extension cord. | |
2. | Inlet screen clogged | 2. | Remove debris |
3. | Broken impeller or debris in | 3. | Remove screen and volute , clean impeller and/or replace |
| impeller cavity |
| impeller |
5. | Pump not properly sized for | 5. | Recheck all sizing calculations to determine proper pump size |
| application |
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6. | Check valve stuck closed or | 6. | Remove and examine check valve for proper installation and |
| installed backwards |
| free operation |
7. | Shut off valve closed | 7. | Open valve |
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