Installation Guide

Troubleshooting (cont.)
Symptoms Probable Causes Recommended Action
C. Water not turned
on.
C. Verify that the water
supply is turned on and
that pressure is at least 20
psi (137 kPa).
D. Incorrect
installation.
D. Verify that the faucet is
mounted as instructed in
the installation guide.
Ensure that the sensor eyes
are above the rim of the
sink. Refer to the
installation instructions.
E. The aerator is
plugged.
E. Remove and clean the
aerator. For
calcium/mineral deposits,
soak the plastic insert in a
50:50 mix of water and
vinegar. Soak only the
plastic insert.
F. Sensor eyes are
scratched.
F. Replace the sensor
assembly.
G. A flex hose is
kinked.
G. Check the flex hoses to
make certain they are not
kinked. If a flex hose is
kinked, disconnect it,
straighten, and reconnect.
H. Hybrid Energy
Cell (HEC) has just
been replaced.
H. Wait 2 minutes after
replacing the HEC as the
sensor cycles through the
automatic sensing distance.
I. HEC life expired. I. Replace the HEC.
J. Bleed hole in
diaphragm is
plugged or debris
exists on the seal.
J. Clean or replace the
diaphragm.
K. Solenoid is not
working.
K. Order a new solenoid
service kit.
2. Low flow. A. Filter is plugged. A. Clean or replace the
filter.
B. Supply pressure
is low.
B. Check incoming water
pressure. Pressure should
be at least 20 psi (137 kPa).
1124217-2-E 10 Kohler Co.