Maintenance Guide

Troubleshooting (cont.)
Symptoms Probable
Causes
Recommended Action
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).
C. Aerator is
plugged.
C. Remove the aerator and
clean it. For
calcium/mineral deposits,
soak the aerator plastic
insert in a 50:50 mixture of
vinegar and water. Soak
only the insert and no other
components.
3. Constant water flow. A. Filter is
plugged.
A. Clean or replace the
filter.
B. Diaphragm
seal is
damaged or
dirty.
B. If the diaphragm is cut
or torn, order a new
diaphragm assembly. Clean
or replace the diaphragm.
C. Solenoid is
not working.
C. Order and install a new
solenoid assembly.
4. Sporadic water flow. A. The faucet
is angled
incorrectly to
deck or
misaligned
with user
area.
A. Verify that the faucet is
mounted according to the
installation directions.
Ensure that the faucet is
installed in a position that
is above the rim of the sink.
B. The wires
are pinched
or damaged.
B. Remove the spout and
verify that the wires are
tucked inside the spout
before reassembling.
1124217-5-C 12 Kohler Co.