EccoFlo General Troubleshooting
Updated over a week ago

Vibration induced by sea conditions or transporting can cause plumbing or pump hardware to loosen. Check for loose system components. Many symptoms can be resolved by simply tightening the hardware. Check the following items along with other particulars of your system.


Failure to prime - motor operates, but no pump discharge

Possible causes:

  • Restricted intake or discharge line

  • Air leak in the intake line

  • Debris in pump

  • Punctured pump diaphragm (pump leaks)

  • Crack in the pump housing

The motor fails to turn on

Possible causes:

  • Loose wiring connection

  • The pump circuit has no power

  • Blown fuse

  • Pressure switch failure

  • Defective motor

Pulsating flow

Possible causes:

  • Restricted pump delivery (Check discharge lines, fittings, and valves for clogging or under-sizing.)

The pump fails to turn off after all fixtures are closed

Possible causes:

  • Empty water tank

  • Insufficient voltage to pump (low battery)

  • Punctured pump diaphragm (pump leaks)

  • Discharge line leak

  • Defective pressure switch

Low flow and pressure

Possible causes:

  • Air leak at the pump intake

  • Accumulation of debris inside the pump and plumbing

  • Worn pump bearing (excessive noise)

  • Punctured pump diaphragm (pump leaks)

  • Defective motor

If you are still experiencing issues with your EccoFlo Pump, please reach out to our product support team via our live chat, send an email to [email protected], or give us a call at 1-866-356-1992. We are always happy and eager to help!

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