Installation Guide

Troubleshooting (cont.)
Troubleshooting Table
Symptoms Probable Cause Recommended Action
C. The hot water supply is
exhausted.
C. Allow time for the water heater to
come up to temperature.
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. Fluctuating or reduced
flow rate. Valve is
functioning properly.
A. Valve inlets may be blocked. A. Check the valve inlets for blockage
or debris. Clean the inlet screens.
Refer to the ″Clean the Inlet
Screens″ section.
B. Fittings/Spray faces may be
blocked.
B. Clean the sprayfaces and any
screens in your fittings.
C. Water outlet pressure is low. C. Check that the flow rate is at or
above the minimum rate required.
Refer to ″Specifications″ section.
D. Fluctuating supply pressure. D. Verify that the dynamic inlet
pressures are within specifications.
Refer to ″Specifications″ section.
E. Water supply temperatures are
not within the recommended
range.
E. Check if inlet water temperatures
are within the recommended range.
8. Blend temperature drift or
temperature cycling.
A. Fluctuating water supply
temperature.
A. Check the inlet temperature
differentials and verify that they
are sufficient. Refer to
″Specifications″ section.
B. Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supply lines.
B. Install pressure regulators to bring
the supplies within 5 psi (34.5 kPa)
of each other.
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.
9. 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.
10. Hot water only, the valve
shuts down.
A. Hot and cold lines are reversed. A. Switch hot and cold water supply
connections. Verify that the hot
water supply is connected to the
″Hot″ inlet and the cold water
supply is connected to the ″Cold″
inlet.
Kohler Co. 15 1145587-2-C