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No output water
from the pure
water outlet
a. Water supply is turned off.
b. Incorrect installation.
c. Crimped tubing impedes the
water flow.
d. The pump is not running,
therefore not allowing water
a. Turn on the water supply.
b. Verify all tubing connections.
c. Check and uncrimp all tubings.
d. Make sure the pump is plugged into a
live outlet that gets continuous power.
Leakage in
connections
a. Tubing is not inserted
properly into the port.
b. The O-ring inside the fitting is
not creating a seal.
c. Not applied enough Plumber's
tape to the threads.
d. The housing/cap is not
tightened properly or misaligned
a. Reinsert the tubing about 1/2'' into the
port.
b. Check the O-ring. Replace it if
necessary.
c. Reapply and increase the wraps of
Plumber's tape to ensure a proper seal.
d. Retighten the housing/cap properly.
Leaking from
between the
membrane cap
and membrane
housing
a. The O-ring is not seated
correctly.
a. The O-ring should be seated on the
end of the membrane housing before the
threads begin. The membrane cap is
then screwed on over it. When
positioned incorrectly, it will create a
gap or damage the O-ring. When in the
correct place, there will not be any
pressure or tension on the O-ring.
High TDS in RO
water
a. Incorrect installation.
b. The RO membrane in not
installed.
a. Verify all tubing connections and the
direction of filter installation. Contact
the iSpring Customer Service Team if
the trouble still exists.
b. If the TDS of the tap water and water
from the system is about the same,
ensure the RO membrane is installed.
The semi-permeable membrane is blue,
comes in sealed packaging, and goes in
the stage 4 membrane housing.
The system has a
continuous drain
a. Incoming water pressure is
below 45 psi (Model#RCC1D)
or 30 psi (Model#RCC1DP)
b. The Automatic Shut-Off
Valve (AAS2) or check valve is
defective.
c. The inlet water solenoid valve
is bad and cannot shut off the
a. Increase the incoming water pressure,
such as adding a booster pump.
b. Contact the iSpring Customer Service
Team for replacement.
c. Contact the iSpring Customer Service
Team for replacement.
Cloudy water
after installation
a. In the weeks after installing
the system or changing the
filters, you will see many tiny
air bubbles in the RO water.
This can cause the water to
a. The bubbles will disappear as the
system clears itself of trapped air and
are harmless for the time being.