Troubleshooting (cont.)
Troubleshooting Table
Symptoms
7.
Only cold water flows
from the outlets.
Fluctuating or reduced
8.
flow rate. Valve is
functioning properly.
9. Blend temperature drift or
temperature cycling.
10. Water leaking from the
valve.
CAUTION: Risk of
personal injury or
product damage. Turn off
the main power and
water supply.
11. Hot water only, the valve
shuts down.
Kohler Co.
Probable Cause
C. Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supply lines.
A. Hot water supply is either not
turned on or not connected to
the valve inlet.
B. Hot water inlet is blocked.
C. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
A. Inlet/outlet fittings may be
blocked.
B. Water outlet pressure is low.
C. Fluctuating flow.
D. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
A. Fluctuating water temperature.
B. Hot water supply temperature
fluctuation.
C. Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supply lines.
D. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
A. Connections are not secure.
B. Seals are worn or damaged.
C. Internal leak.
A. Hot and cold lines are reversed.
19
Recommended Action
C. Install pressure regulators to bring
the supplies with 5 psi (34.5 kPa)
of each other.
A. Check if the hot water supply is
turned on and connected to the
valve inlet.
B. Check if the hot water inlet screen
for blockage. Clean or replace the
inlet screen. Refer to the Valve
Homeowners Guide.
C. Contact your Kohler Co. authorized
service representative.
A. Check the inlets and outlets for
blockage or debris. Clean the inlet
screens. Refer to the "Clean the
Inlet Screens" section.
B. Check that the flow rate is at or
above the minimum rate required.
Refer to "Specifications" section.
C. Verify that the dynamic inlet
pressures are within specifications.
Refer to "Specifications" section.
D. Contact your Kohler Co. authorized
service representative.
A. Check the inlet temperature
differentials and verify they are
sufficient. Refer to "Specifications"
section.
B. Check and make adjustments as
needed.
C. Install pressure regulators to bring
the supplies with 5 psi (34.5 kPa)
of each other.
D. Contact your Kohler Co. authorized
service representative.
A. Check all connections. Make
adjustments as needed.
B. Order a seal service pack and
replace all seals.
C. Unit requires overhaul. Contact
your Kohler Co. authorized service
representative.
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."
1043183-2-B