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Troubleshooting Basics

A pumping station has 4 basic elements:

  1. Electrical Service:
    Must match motor rated voltage
    Measure with meters

  2. Control Panel:
    Control Circuit
    Check for voltage at terminals
    Check for blown fuses
    Run pumps manually with HOA switch
    Simulate float sequence

    Pump Circuit
    Check voltage
    Tripped circuit breakers
    Check contactor or overload unit

  3. Floats:
    Disconnect at least one lead and check with ohmmeter

  4. Motor:
    Disconnect leads and check with ohmmeter