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Troubleshooting Water Dispensing Issues in Your Filtration System

Why Water May Not Be Dispensed from the Filtration System This article outlines potential reasons why water may not be dispensed from your filtration system, specifically focusing on low water pressure and related issues.

If your filtration system is not dispensing water, the three most common causes are: low inlet water pressure, a malfunctioning booster pump, or a triggered leak detector. Check the indicator lights on your unit first to identify the cause, then follow the troubleshooting steps below.

What are the common causes of water dispensing issues?

  1. Low Water Pressure

    • Low inlet water pressure is a common reason your filtration system won't dispense water. Insufficient pressure prevents the system from operating correctly.
    • Symptoms of low water pressure include rapid flashing of the FILTER light on the unit.

  2. Booster Pump Malfunction

    • Some installations include a booster pump to raise inlet water pressure to the required level. If the booster pump is not working correctly, pressure will drop below the minimum threshold and the system will stop dispensing water.
    • A failed booster pump must be replaced by a certified technician to restore water dispensing.

  3. Leak Detection

    • If both the ON and FILTER indicator lights are flashing simultaneously, the leak detector has been triggered, indicating a possible internal leak. As a safety measure, the system automatically stops dispensing water. Do not continue using the system — immediately turn off the water supply and contact a certified technician.

How do you fix a filtration system that won't dispense water?

  1. Check water pressure: Confirm that the water pressure entering the system meets the minimum required threshold (refer to your unit's installation manual for the specified PSI range). If pressure is too low, contact a certified technician for assistance.

  2. Inspect the booster pump: If a booster pump is installed, confirm it is powered on and operating correctly. Signs of failure — such as no audible hum or no lit power indicator — mean the pump should be replaced by a certified technician.

  3. Address a triggered leak detector: If both the ON and FILTER indicator lights are flashing simultaneously, the leak detector has been activated. Do not attempt to continue using the system. Turn off the water supply to the unit and contact a certified technician immediately to inspect for and repair any internal leaks before resuming operation.

  4. Schedule a service call: If the issue persists, schedule a service call with a certified technician who can diagnose and resolve the problem.

Still not dispensing water?

If the steps above do not restore water dispensing, contact a certified technician for a thorough diagnosis. When you call, share what the indicator lights were doing — this helps your technician diagnose the issue faster and get your system back to performing at its best.