Troubleshooting (cont.)
Valve Troubleshooting Table
Symptoms
Probable Cause
Recommended Action
4.
Only cold water flows
from the outlets.
A.
Hot water supply is either not
turned on or not connected to
the valve inlet.
A.
Check the hot water supply is
turned on and connected to the
valve inlet.
B.
Hot water inlet is blocked.
B.
Check the hot water inlet screen for
blockage. Clean or replace the inlet
screen. Refer to the Valve
Homeowners Guide.
C.
If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
C.
Contact your Kohler Co.
Authorized Service Representative.
5.
Fluctuating or reduced
flow rate. Valve is
functioning properly.
A.
Inlet/outlet fittings may be
blocked.
A.
Check the inlets and outlets for
blockage or debris. Clean the inlet
screens. Refer to the
″
Clean the
Inlet Screens
″
section in the Valve
Homeowners Guide.
B.
Water outlet pressure is low.
B.
Check that the flow rate is at or
above the minimum rate required.
Refer to
″
Specifications
″
section in
the Valve Homeowners Guide.
C.
Fluctuating flow.
C.
Verify that the dynamic inlet
pressures are within specifications.
Refer to
″
Specifications
″
section in
the Valve Homeowners Guide.
D.
If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
D.
Contact your Kohler Co.
Authorized Service Representative.
6.
Blend temperature drift or
temperature cycling.
A.
Fluctuating water temperature.
A.
Check the inlet temperature
differentials and verify they are
sufficient. Refer to
″
Specifications
″
section in the Valve Homeowners
Guide.
B.
Hot water supply temperature
fluctuation.
B.
Check and make adjustments as
needed.
C.
Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supply lines.
C.
Install pressure regulators to bring
the supplies within 5 psi (34.5 kPa)
of each other.
D.
If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
D.
Contact your Kohler Co.
Authorized Service Representative.
7.
Water leaking from the
valve.
CAUTION: Risk of
personal injury or
product damage.
Turn off
the main power and
water supply.
A.
Connections are not secure.
A.
Check all connections. Make
adjustments as needed.
B.
Seals are worn or damaged.
B.
Order a seal service pack and
replace all seals.
C.
Internal leak.
C.
Unit requires overhaul. Contact
your Kohler Co. authorized service
representative.
8.
Hot water only, the valve
shuts down.
A.
Hot and cold lines are reversed.
A.
Switch hot and cold water supply
connections. Verify the hot water
supply is connected to the inlet
marked
″
H
″
and the cold water
supply is connected to the inlet
marked
″
C.
″
1078022-5-B
8
Kohler Co.
