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
instructions. 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
supply is
interrupted.
H.
Wait 2 minutes after power is
restored, as the sensor cycles
through the learning cycle.
I.
No power.
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
does not work.
K.
Install a new solenoid assembly.
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.
1207552-2-B
18
Kohler Co.
