Kohler K-11842 Guide D'installation page 18

Troubleshooting (cont.)
Symptoms Probable
Causes
C. Water not
turned on.
D. Incorrect
installation.
E. The aerator
is plugged.
F. Sensor eyes
are scratched.
G. A flex hose
is kinked.
H. Power
supply is
interrupted.
I. No power.
J. Bleed hole
in diaphragm
is plugged or
debris exists
on the seal.
K. Solenoid
does not work.
2. Low flow. A. Filter is
plugged.
B. Supply
pressure is
low.
C. Aerator is
plugged.
1207552-2-B
Recommended Action
C. Verify that the water supply is
turned on and that pressure is at
least 20 psi (137 kPa).
D. Verify that the faucet is mounted
as instructed in the installation
instructions. Ensure that the sensor
eyes are above the rim of the sink.
Refer to the installation
instructions.
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. Replace the sensor assembly.
G. Check the flex hoses to make
certain they are not kinked. If a
flex hose is kinked, disconnect it,
straighten, and reconnect.
H. Wait 2 minutes after power is
restored, as the sensor cycles
through the learning cycle.
I. Replace the power supply.
J. Clean or replace the diaphragm.
K. Install a new solenoid assembly.
A. Clean or replace the filter.
B. Check incoming water pressure.
Pressure should be at least 20 psi
(137 kPa).
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.
18 Kohler Co.