Troubleshooting (cont.)
Troubleshooting Table
Symptoms Probable Cause Recommended Action
6. Massage mode shuts
down but water continues
to run from
showerhead(s).
A. Unequal flow rates between
valve outlets.
A. Verify the installation has one
bodyspray per valve outlet and
uses bodysprays with the same
flow rate. If needed, contact the
installer to revise the installation.
B. Fluctuation of inlet pressure. B. Install pressure regulators in the
supply lines.
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.
7. 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 if 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.
8. 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.
B. Water outlet pressure is low. B. Check that the flow rate is at or
above the minimum rate required.
Refer to ″Specifications″ section.
C. Fluctuating flow. C. Verify that the dynamic inlet
pressures are within specifications.
Refer to ″Specifications″ section.
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.
9. Blend temperature drift or
temperature cycling.
A. Inlet temperature differential is
too great.
A. Lower the hot water temperature to
120°F (49°C). Maximum
temperature difference between hot
and cold should be 70°F (21°C) or
less.
B. Hot water pressure too high. B. Install pressure-reducing check
valve on the hot supply to achieve
equal or slight less pressure than
the cold supply.
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. Flow rate too low.
D. Check the inlets and outlets for
blockage or debris. Clean the inlet
screens. Refer to the ″Clean the
Inlet Screens″ section.
E. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
E. Contact your Kohler Co. authorized
service representative.
1043183-2-E 20 Kohler Co.
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