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7 - TROUBLESHOOTING
Issue Possible Cause Corrective Action
Low product Increase feed pressure. Consider pump for low
flow rate Low driving pressure pressure locations. Use short tubing runs to decrease
flow restriction. Increase tubing diameter for longer
distances.
Low water temperature or high Increase feed water temperature or feed pressure to
total dissolved solids (TDS) compensate.
Plugged prefilter
Replace plugged prefilter. Consider sediment prefilter
for non-chlorinated applications.
Scaled or fouled RO membrane Replace membranes.
Faucets not adjusted properly Adjust faucet t-bar setting as tight as possible without
causing leaks from the faucet.
Plugged postfilter If flow into the postfilter is acceptable, replace
postfilter.
Leak or kink in product line Find and repair leak or kink.
Concentrate water
Replace plugged prefilter. Consider sediment prefilter
runs to drain after Plugged prefilter
for non-chlorinated applications.
faucet shut off
Leak in product line
Find and repair leak. Install pressure gauge in product
line to help identify a product pressure leak.
Poor product Water sample taken during Take sample after three minutes of continuous
water quality system flush operation.
Increase feed pressure. Consider pump for low
Low driving pressure
pressure locations. Use short tubing runs to decrease
flow restriction. Increase tubing diameter for longer
distances.
Plugged prefilter
Replace plugged prefilter. Consider sediment prefilter
for non-chlorinated applications.
Scaled, fouled, or damaged
RO membrane
Replace RO membranes.
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