Charger CWQC50, Installation Manual

Page: 16 / 20

16
SECTION VI • TROUBLESHOOTING GUIDE
Problem Possible Cause Solution
Low quantity of Product Water
from Holding Tank
Feed Water Valve is plugged or closed Open or unclog valve
Clogged Sediment Module(s) Replace module(s)
Low water pressure Feed Water pressure must be above 40
psig
RO Membrane is fouled. Correct cause of fouling Replace Membrane
Air precharge pressure in Holding Tank is
too high or too low
Empty water from Holding Tank,
and with the faucet open, adjust air
pressure to 5–7 psig (35–48 kPa) range.
Air bladder in the Holding Tank is
ruptured.
Replace tank.
Holding Tank Valve is closed Open Valve
No drain flow, the Drain Restrictor is
plugged
Clear or replace Drain Restrictor.
No drain flow, the drain orifice in the
Dispensing Faucet is plugged
Clear or replace the Dispensing Faucet
The Check Valve is stuck Free check
The ASO Valve is malfunctioning. Replace ASO Valve components.
Low pressure at the Dispensing
Faucet
In-Line Activated Carbon Post Filter
is plugged.
Replace Post Filter.
Air precharge in the Holding Tank is
too low
Empty water from Holding Tank and
with the faucet open, adjust the air
pressure to 5–7 psig (35–48 kPa) range
Holding Tank Valve is partially closed. Open Valve
The Dispensing Faucet is out of adjustment
or faulty.
Repair or replace Dispensing Faucet.
Heavy water use, Holding Tank is depleted. Allow Holding Tank to refill (adding a
second Holding Tank will increase storage
capacity).
Low Water Production. See Low Quantity of Product Water
from Holding Tank section above
High Total Dissolved Solids
(TDS) in the Product Water
Clogged Sediment Module(s) Replace Module(s)
Low Water Pressure. If Membrane life is unusually short,
find and correct the problem; replace
membrane
Membrane O–ring is crimped. Check O–ring.
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
Post Filter 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