Operating Instructions and Parts Manual
Troubleshooting Chart - Back-up Pump
Symptom
Pump will not run
Possible Cause(s)
1.Connections not secure
2.Low or defective battery
3.Float switch stuck
4.Defective or blown fuse
Corrective Action
1.Check all connections
2.Check battery and replace if low or defective
3.Make sure nothing is interfering with the operation of the switch
4.Check internal fuse located inside the control box. Pull the charger from the wall outlet and remove. If the fuse is blown, replace it with a 15 amp automotive type fuse
Motor hums but | 1. | Defective battery | 1. Check battery and replace if low or defective | |
pump won’t run | 2. | Impeller is locked | 2. | Unplug pump and check to see if impeller is free to turn. |
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| If impeller is locked, remove the 4 screws on the bottom of the |
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| pump to release the housing around the impeller. Remove the |
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| obstruction. Reassemble pump and reconnect |
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Pump runs but | 1. | Check valve missing or improperly | 1. | Check to make sure a check valve is installed and functioning |
pumps very little |
| installed |
| between primary pump discharge and Standby Sump Pump |
or no water |
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| tee fitting |
| 2. | Obstruction in discharge pipe | 2. | Check for obstruction and clear if necessary |
| 3. | Pump not rotated 30˚ | 3. | Check that pump is rotated 30˚ in tee fitting |
| 4. | Pump air locked | 4. | The impeller housing has a small hole on its side. This hole |
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| must be open for the pump to prime. With the pump |
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| unplugged, remove the 4 screws on the bottom of the pump to |
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| release the housing around the impeller. Clean out the hole |
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| and replace cover |
| 5. | Discharge pipe length and / or | 5. | If discharge is too high, a separate line may be required with a |
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| height exceeds capacity of pump |
| lower discharge height |
| 6. | Low or defective battery | 6. | Check battery and replace if low or defective |
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Pump cycles too | 1. | Main check valve located between | 1. | Install check va/lve or repair as required |
frequently |
| the discharge of the primary |
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| pump and the |
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Pump tee fitting or the
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