User's Manual

JOBNAME: No Job Name PAGE: 8 SESS: 3 OUTPUT: Thu Jul 17 13:54:55 2008
Troubleshooting (cont.)
Valve Troubleshooting Table
Symptoms Probable Cause Recommended Action
1. Maximum blend
temperature too hot or
too cold.
A. Incorrect maximum temperature
setting.
A. Refer to the ″Set the Maximum
Temperature″ section in the Digital
Interface User Guide.
B. Inlet/outlet fittings may be
blocked.
B. Check the inlets and outlets for
blockage or debris. Clean the inlet
screens. Refer to the ″Clean the
Inlet Screens″ section in the Valve
Homeowners Guide.
C. If the above recommended
action does not correct the
symptom, the interface or valve
requires servicing.
C. Contact your Kohler Co.
Authorized Service Representative.
2. Continuous flow. A. System will not switch off. A. Turn off the water and power
supply and contact your Kohler Co.
Authorized Service Representative.
3. Handshower does not
work.
A. Handshower is not enabled. A. Enable the handshower option in
the settings menu. Refer to the
Digital Interface User Guide.
4. 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 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.
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 Valve
Homeowners Guide.
B. Water outlet pressure is low. B. Check that the flow rate is at or
above the minimum rate required.
Refer to ″Specifications″ section in
the Valve Homeowners Guide.
C. Fluctuating flow. C. Verify that the dynamic inlet
pressures are within specifications.
Refer to ″Specifications″
section in
the Valve Homeowners Guide.
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.
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″
section in the Valve Homeowners
Guide.
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
the supplies within 5 psi (34.5 kPa)
of each other.
1093174-5-B 8 Kohler Co.