8
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSES HOW TO CORRECT
Pump won’t run.
Pump hums but
won’t run
Loose, corroded or reversed wire
connections
Tighten, clean or reconnect if necessary
Discharged battery Charge battery
Defective battery Replace battery
Blown fuse Replace with 20 amp fuse
Float switch is stuck Position float so it moves freely
Battery is discharged below 10 volts Fully charge battery
Pump cycles too
often
Float switch positioned improperly Reposition float switch
Defective or missing check valve Install or replace check valve
Pump runs but
moves little or no
water
Low or discharged battery Fully charge battery
Obstruction in pipe Clear obstruction
Discharge pipe height/length exceeds the
capacity of the pump
Check performance section for capacity of
this pump
Defective check valve Replace Check Valve if necessary
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