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. Power was
interrupted.
H. Wait 2 minutes after power is
restored as the sensor cycles
through the automatic sensing
distance.
I. Battery life
expired.
I. Replace the power supply.
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.
Kohler Co. 11 1124215-2-B