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Troubleshooting (cont.)
Troubleshooting Table
Symptoms
6.
Only cold water flows
from the outlets.
7.
Fluctuating or reduced
flow rate. Valve is
functioning properly.
8. Blend temperature drift or
temperature cycling.
9. Water leaking from the
valve.
CAUTION: Risk of
personal injury or
product damage. Turn off
the main power and
water supply.
10. Hot water only, the valve
shuts down.
1145587-5-C
Probable Cause
A. Hot water supply is either not
turned on or not connected to
the valve inlet.
B. Hot water inlet is blocked.
C. The hot water supply is
exhausted.
D. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
A. Valve inlets may be blocked.
B. Fittings/spray faces may be
blocked.
C. Water outlet pressure is low.
D. Fluctuating supply pressure.
E. Water supply temperatures are
not within the recommended
range.
A. Fluctuating water supply
temperature.
B. Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supply lines.
C. 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.
Recommended Action
A. Check if the hot water supply is
turned on and connected to the
valve inlet.
B. Check the hot water inlet screen for
blockage. Clean or replace the inlet
screen.
C. Allow time for the water heater to
come up to temperature.
D. Contact your Kohler Co.
Authorized Service Representative
(ASR).
A. Check the valve inlets for blockage
or debris. Clean the inlet screens.
Refer to the "Clean the Inlet
Screens" section.
B. Clean the sprayfaces and any
screens in your fittings.
C. Check that the flow rate is at or
above the minimum rate required.
Refer to "Specifications" section.
D. Verify that the dynamic inlet
pressures are within specifications.
Refer to "Specifications" section.
E. Check if inlet water temperatures
are within the recommended range.
A. Check the inlet temperature
differentials and verify that they
are sufficient. Refer to
"Specifications" section.
B. Install pressure regulators to bring
the supplies within 5 psi (34.5 kPa)
of each other.
C. Contact your Kohler Co.
Authorized Service Representative
(ASR).
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 (ASR).
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.
6
Kohler Co.
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