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Reverse
Osmosis Systems Troubleshooting Guide
This Guide should help with most of
your RO Troubleshooting questions. If this Guide does not answer your questions
or you are still unsure of what may not be operating properly, please use
our Contact Form and let us know.
| Not Enough Water From Holding
Tank |
 |
| Low
Water Pressure From Dispensing Faucet |
|
|
Possible Cause
|
Solution
|
 Air
Pressure in Holding Tank is incorrect.
This is the #1 reason for low flow from
Reverse Osmosis Faucet.
Please
watch our video on How To Service The Reverse Osmosis RO Holding Tank. |
Open faucet and empty water
from holding tank. Shut off feed water to system and remove holding tank
from under sink. (The tank is easier to work on.)
Locate the air valve stem
(just like on a car or bicycle tire) and add air. If there is still water
in the tank, continue to add air until all the water is removed.
Once all the water is removed,
continue to add air and pressurize to 8 PSI.
Re-install the tank under
the sink, turn on the feed supply to the system and allow the tank to fill. |
| Carbon
Post Filter is clogged. |
Replace Post Filter |
| Holding
Tank Valve is partially closed. |
Open Valve. |
| The
Faucet is out of adjustment or faulty. |
Repair or replace Faucet. |
| Heavy
water use. Holding Tank is empty. |
Allow Holding Tank to refill. |
| Low
Water Production. |
See previous section on
Low Quantity of Water From Holding Tank. |
| Product Water is High in
Total Dissolved Solids (TDS) |
|
|
Possible Cause
|
Solution
|
| Clogged
Prefilter. |
Replace Filter. |
| Low
incoming water pressure. |
Incoming water pressure
must be above 40 PSI. Install a Booster Pump
or Permeate Pump. |
| Reverse
Osmosis Membrane is not correctly sealed in Membrane Housing. |
Check that RO Membrane is
correctly installed. |
| Reverse
Osmosis membrane is expended. |
If Membrane life is unusually
short, find and correct the problem. (Average life is 2 - 3 years.) Replace
RO Membrane. |
| Product
water and drain water lines are reversed. |
Correct plumbing. |
| No
water to drain. Drain Flow Restrictor is clogged. |
Replace Drain Flow Restrictor. |
| No
water to drain. Air Gap Faucet is clogged. |
Clear or replace Air Gap
Faucet. |
| The
Automatic Shut-Off Valve is not closing or diaphragm has ruptured. |
Repair or replace Automatic
Shut-Off Valve. |
| New
Carbon Postfilter has not been rinsed completely. |
Drain Holding Tank twice
to rinse new Carbon Postfilter. |
| The
incoming feed water TDS has increased. |
An increase in feed water
TDS will also give an increase in Product Water TDS. |
| Tastes and Odors in Product
Water |
|
|
Possible Cause
|
Solution
|
| Carbon
Post Filter is exhausted. |
Replace Filter. |
| There
is foreign matter in Holding Tank. |
Clean, flush and sanitize
the Holding Tank. Replace filters. |
| Product
water and Drain water lines are reversed. |
Correct plumbing. |
| Dissolved
gases in feed water. |
Pretreat feed water to remove
gasses. |
| Increase
in Product Water TDS. |
See High TDS in Product
Water Section |
| Drain Water Overflows at
the Air Gap Faucet |
|
|
Possible Cause
|
Solution
|
| Air
Gap is clogged. |
Clear Air Gap |
| Drain
line is clogged. |
Clear tubing. |
| Drain
flow rate is too high. |
Replace Flow Restrictor. |
| Optional Water Quality Monitor
Light Is On |
|
|
Possible Cause
|
Solution
|
| System
has not been used for an extended period of time. |
Drain Holding Tank and allow
to refill. Check again. |
| Reverse
Osmosis Membrane is fouled or exhausted. |
Replace filters and RO Membrane. |
| Faucet Leaks or Drips |
|
|
Possible Cause
|
Solution
|
| Water
leaks from faucet spout. |
Adjust faucet by turning
the tee bar located under the handle to provide a small amount of free
play in the handle when shut off. Should this not work, repair or replace
the faucet. |
| Leaks
from beneath the handle. |
Repair or replace the faucet. |
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Our use of registered trademarks, such as Culligan®, Kiss®, Premier
Manufactured Systems® and others, is only for purposes of identifying
compatible replacement filters and membranes, and does not suggest any
association, sponsorship or endorsement of our our products by the manufacturers
of the underlying equipment. "COMPATIBLE"
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All rights reserved. |
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