Water2Buy RO 3.2, Manual

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Tastes and odours in water
Cause Solution
Carbon post filter is exhausted. (2) Replace filter. (2)
There is foreign matter in storage tank. (11) Clean, flush and sanitize the storage tank. Replace filters. (11)
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. (total dissolved solids) See high tds in product water section
Product water is high in total dissolved solids (tds)
Cause Solution
Clogged pre-filter. (12) Replace filters. (12)
Low incoming water pressure.
Incoming water pressure must be above 2 bar (30 psi). Install a
booster pump.
Reverse osmosis membrane is not correctly
sealed in membrane housing. (3)
Check that reverse osmosis membrane (3) is correctly installed.
Reverse osmosis membrane is expended. (3)
If membrane life is unusually short, find and correct the problem.
(average life is 2 - 3 years.) Replace reverse osmosis membrane. (3)
Product water and drain water lines are
reversed. (13) (14)
Correct plumbing. (13) (14)
13 – product water
14 – drain water
No water to drain. Drain flow restrictor is
clogged. (7)
Replace drain flow restrictor. (7)
No water to drain. Restrictor valve is clogged.
(7)
Clear or replace restrictor valve. (7)
The automatic shut-off valve is not closing or
diaphragm has ruptured. (9) see diagram 2.2
Repair or replace automatic shut-off valve. (9) see diagram 2.2
New carbon post filter has not been rinsed
completely. (2)
Drain storage tank twice to rinse new carbon post filter. (2)
The incoming feed water tds has increased.
An increase in feed water tds will also give an increase in product
water tds.
Tap leaks or drips
Cause Solution
Water leaks from tap spout. (10) Repair or replace the tap. (10)
Leaks from beneath the handle. (10) Repair or replace the tap. (10)
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