Operating Instructions and Parts Manual
Maintenance
(Continued)
3.Inspect the terminals and clamps for corrosion and tightness. Clean and tighten as required.
4.Unplug the main pump and fill sump with water until back up pump turns on. Repeat process two times to be sure pump is operating normally.
5.If pump operates normally, plug PS/BC into wall outlet, turn on main pump. If pump fails to operate normally, see Troubleshooting guide and correct problem. Repeat step 5.
Troubleshooting Chart
Symptom | Possible Cause(s) | Corrective Action |
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|
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Pump won’t run 1. Connections not secure
2.Low or defective battery
3.Float switch stuck
4.Defective or blown fuse
1.Check all connections
2.Check battery and replace if low or defective
3.Make sure nothing is interfering with operation of switch
4.Check internal fuse located on the PS/BC. Pull the charger from the wall outlet and remove. If the fuse is blown, replace it with an automotive type fuse of the same amp ratio.
Motor hums but | 1. Defective battery |
pump won’t run | 2. Impeller is locked |
1.Check battery and replace if low or defective
2.Unplug pump, volute, and check to see if impeller is free to turn. If impeller is locked, remove the obstruction. Reassemble pump and reconnect
Pump runs but pumps very little or no water
1.Check valve missing or improperly installed
2.Obstruction in discharge pipe or pump inlet
3.Discharge pipe length and/or height exceeds capacity of pump
4.Low or defective battery
1.Check to make sure check valves installed between primary pump discharge and Backup Sump Pump are functioning properly
2.Check for obstruction and clear if necessary
3.If discharge is too high, a separate line may be required with a lower discharge height
4.Check battery and replace if low or defective
Pump cycles too | 1. Check valve problem | 1. Check to make sure check valves installed between primary |
frequently |
| pump discharge and Backup Sump Pump are functioning |
|
| properly |
|
|
|
No yellow light | 1. Battery connection problem | 1. Verify battery connection is correct |
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|
|
Red light is on | 1. Blown pump fuse | 1. Check fuse and replace with a fuse of same rating and size |
with alarm | 2. Low battery voltage | 2. Check battery voltage. PS/BC will not charge batteries with a |
|
| combined voltage of 21.6 VDC or less |
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