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The causes to the output problem are listed in the timeframe that you've owned your RO system. The grey background applies to systems in use for under 3 months and the white background applies to systems in use for more than 3 months. The causes are listed from the most frequent and probable to the least likeliest. |
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Causes
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Identify
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Solution
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1
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Feed water blocked
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Make sure all lines to the RO system and within the RO head are not obstructed
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Untangles the lines
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2
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Input pressure too low
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If your home pressure is within the model's regulation. Make sure you have the right model. |
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3
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Wrong Line Installation
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Using RO pictures and the owner's manual. Make sure all lines are correctly connected.
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4
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Defective Membrane Housin (Extremely Rare) |
Waste water flows non stop down the drain line and no RO water.
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Replace the membrane housing
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5
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Clogged Pre-filters
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See the condition of the first stage filter
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6
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Clogged Membrane
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7
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Pump broken
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8
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No Tank Pressure
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Use pressure guage to test pressure of the empty tank. 4 gallon empty tank should be 5psi and 14 gallon empty tank should be 7psi.
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9
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Tank bladder ruptured
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Water droplets would be present at pressure valve and the tank would be much heavier compare to a regular full tank.
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10
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Check valve clogged (Very Rare) |
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11
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Stage 5 filter clogged
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Replace the filter
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12
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Defective Faucet (Very Rare) |
Observe for setup error or blocked lines
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