Troubleshooting | 5 |
TROUBLESHOOTING CHART
Hazardous voltage and risk of electric shock. Can shock, burn, or kill. Unplug pump before servicing or cleaning pump.
SYMPTOM | PROBABLE CAUSE(S) | CORRECTIVE ACTION |
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Pump won’t start or run. | Pump is not plugged in. | Check and see if pump is plugged in to a proper outlet. |
| Blown fuse. | If blown, replace with fuse of proper size. |
| Low line voltage. | If voltage under recommended minimum, check size of wiring |
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| from main switch on property. If OK, contact power company |
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| or hydro authority. |
| Defective motor. | Replace pump. |
| Defective float switch. | Replace pump. |
| Impeller. | If impeller won’t turn, remove lower pump body and locate |
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| source of binding. |
| Float obstructed. | Remove obstruction. |
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Pump starts and stops | Backflow of water from piping. | Install or replace |
too often. | Faulty float switch. | Replace pump. |
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Pump won’t shut off. | Defective float switch. | Replace pump. |
| Restricted discharge | Remove pump and clean pump and piping. |
| (obstacle or ice in piping). |
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| Float obstructed. | Remove obstruction. |
| Restricted intake screen. | Remove the pump and clean the intake screen and the |
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| impeller. |
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Pump operates but | Low line voltage. | If voltage under recommended minimum, check size of wiring |
delivers little or no water. |
| from main switch on property. If OK, contact power company |
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| or hydro authority. |
| Something caught in impeller. | Remove the pump and clean out the impeller. |
| Worn or defective parts or | Clean impeller if plugged; otherwise replace pump. |
| plugged impeller. |
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| Check valve installed without | Drill a 1/16" - 1/8" (1.6mm - 3.2mm) dia. hole between pump |
| vent hole. | discharge & check valve |
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| pipe screws into the pump discharge and below the |
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| waterline). |
| Restricted intake screen. | Remove the pump and clean out the intake screen. |
| Check valve is installed either | Be sure check valve is installed correctly. |
| backward or upside down. |
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For assistance, call Simer Customer Service at