17
Problem
Possible Cause
Solution
High Total Dissolved Solids (TDS)
in the Product Water
(continued)
The Product Water and Drain Water
lines are reversed.
Correct plumbing.
No drain flow, Drain Restrictor is
clogged.
Clear or replace Drain Restrictor.
No drain flow, the drain orifice in
the Dispensing Faucet is plugged.
Clear or replace Dispensing Faucet.
The ASO Valve is not closing.
Repair or replace the ASO Valve
Components
New In-Line or Activated Carbon
Prefilter not rinsed completely.
Flush with several full tanks of
Product Water.
The Feed Water TDS has increased. An increase in Feed Water TDS will
give a corresponding increase in
Product Water TDS.
Tastes and odors in the Product
Water
The In-Line or Activated Carbon
Prefilter is exhausted.
Replace Filter.
There is foreign matter in the Holding
Tank.
Clean, flush and sanitize the system.
Replace the filters.
The Product Water and Drain Water
lines are reversed.
Correct plumbing.
Dissolved gasses in the Feed Water. Pretreat Feed Water to remove
dissolved gasses.
Increase in Product Water TDS.
See high TDS in the Product Water
section.
Drain Water overflows at the
Dispensing Faucet
Air Gap is blocked.
Clear Air Gap.
Rinse with vinegar for removal of
calcium buildup.
Drain tubing is clogged.
Clear tubing.
Drain Clamp hole is misaligned.
Align with hole in the drain pipe.
Excessive drain flow rate.
Replace Drain Restrictor.
Faucet leaks or drips
Leaks from base of the delivery
tube.
O–ring is bad, replace O–ring.
Fitting leaks in general
Close the Feed Water Saddle Valve and relieve pressure before
disconnecting any tubing or replacing any fitting. Before replacing a fitting,
re–cut the tubing and re–insert into the fitting to see if that solves the leak. If
pipe threads are leaking, remove and retape with Teflon tape.
