Troubleshooting (cont.)
Troubleshooting Table
Symptoms Probable Cause Recommended Action
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
Homeowners Guide.
B. Water outlet pressure is low. B. Check that the flow rate is at or
above the minimum rate required.
Refer to the ″Specifications″ section.
C. Fluctuating flow. C. Verify that the dynamic inlet
pressures are within specifications.
Refer to the ″Specifications″ section.
D. If none of the above actions
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.″
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
supply lines within 5 psi (34.5 kPa)
of each other.
D. If none of the above actions
correct the symptom, the valve
requires servicing.
D. Contact your Kohler Co.
Authorized Service Representative.
7. Maximum blend
temperature too hot or
too cold.
A. Incorrect maximum temperature
setting.
A. Refer to the ″User Interface
Homeowners Guide.″
B. If none of the above actions
correct the symptom, the valve
requires servicing.
B. Contact your Kohler Co.
Authorized Service Representative.
8. Continuous flow. A. System will not switch off. A. Turn off the water and power
supply and contact your Kohler Co.
Authorized Service Representative.
9. Water leaking from the
valve.
WARNING: Risk of
electric shock and
personal injury. Turn off
the main power and
water supply.
A. Connections 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. Massage mode shuts
down but water continues
to run from
showerhead(s).
A. Unequal flow rates between
valve outlets.
A. Revise installation to have one
bodyspray per valve outlet. Use
bodysprays with the same flow
rate.
B. Fluctuation of the inlet water
pressure.
B. Install pressure regulators in the
supply lines.
C. Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supplies.
C. Install pressure regulators to bring
supply lines within 5 psi (34.5 kPa)
of each other.
11. 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 ″H″ inlet
and the cold supply is connected to
the ″C″ inlet.
1043183-5-E 6 Kohler Co.
(20 pages)
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