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TROUBLESHOOTING GUIDE
Leaks on tank valve assembly
1. Open drinking water faucet to drain storage tank. Let
drinking water faucet run until it drips. Turn off cold water
supply.
2. Push in on white collar of tank valve fitting and pull out
tubing. Unscrew the tank valve from the storage tank.
Rewrap threads on top of the tank with plumber tape. Screw
tank valve back onto tank. Trim 1/2" from end of tubing and
reinsert 5/8" into tank valve fitting.
3. Open the cold water supply and shut off the reverse osmosis
faucet. Let the system pressurize for several hours and
check for leaks. Check again after tank is fully pressurized.
Leaks on quick-connect fittings
1. Close the cold water supply and tank valve.
2. Depress plastic collar and pull out tubing.
3. Cut off 1" of tubing and place a mark 5/8" from end of
tubing. Tubing should be cut squarely. The internal and
external burrs should be removed.
4. Push tubing 5/8" into fitting.
5. Open the cold water supply and tank valve. If leaks persist,
call Technical Support.
High TDS in Product Water
If high levels of TDS (Total Dissolved Solids) are detected in
your product water as determined by the TDS Monitor or by the
TDS test kit, the cartridge membrane may need to be replaced
or the reject flow control may be clogged. See your dealer or
plumber to check product water TDS.
Reduced production
Slow or no product water flow usually indicates a clogged
cartridge.
Gradual return of taste and odor
Gradual return of unpleasant taste and odor over a period of
time may indicate that your cartridges need to be replaced.
Sudden return of taste and odor
If shortly after complete servicing noticeable taste and odors
return, contact Technical Support.
No water pressure from the drinking water faucet
or low volume in storage tank
1. Close the cold water supply to system.
2. Lift storage tank to see if it is empty. If not, open the
drinking water faucet to empty water from tank.
NOTE: It may be necessary to pump a small amount of air into
the tank with a bicycle pump to remove all the water
from the tank.
3. When tank is empty, use a pressure gauge to check
tank pressure. An empty tank should contain 5 to 7 psi
pressure. Increase or decrease the air pressure in the tank
accordingly.
4. Open cold water supply. Let system run for 3 hours to fill
tank, then check system performance. If performance has
not improved, call Technical Support.
All manuals and user guides at all-guidesbox.com
FRESHPOINT GRO-350BP Installation and Operation Manual • 13
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