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Troubleshooting (cont.)
Error Code Diagnosis
Error Code
Error Description
Possible Cause
Corrective Action
3
Outlet temperature is too
high or control thermistor
fault.
A.
The inlet/outlet fittings
may be blocked.
A.
Check the valve outlets for
blockage or debris. Clean the
inlet screens. Refer to the
″
Clean the Inlet Screens
″
section in the Valve
Homeowners Guide.
B.
Cold water supply failure.
B.
Reinstate the cold water
supply.
C.
Safety circuit may require
resetting.
C.
Press the [Power Icon] once,
the display will show
″
SEt;
″
press the [Power Icon] again
to turn the system OFF;
resume use of the system as
usual. If the fault reoccurs,
contact your Kohler Co.
Authorized Service
Representative.
D.
Thermistor is damaged.
D.
Replace the thermistor.
Contact your Kohler Co.
Authorized Service
Representative.
E.
Valve circuit board is
damaged.
E.
Replace the valve circuit
board. Contact your Kohler
Co. Authorized Service
Representative.
4
Open circuit
thermistor detected.
A.
Thermistor is damaged.
A.
Replace the thermistor.
Contact your Kohler Co.
Authorized Service
Representative.
B.
Valve circuit board is
damaged.
B.
Replace the valve circuit
board. Contact your Kohler
Co. Authorized Service
Representative.
7
Outlet temperature is
too high or outlet
thermistor fault.
A.
The inlet/outlet fittings
may be blocked.
A.
Check the valve outlets for
blockage or debris. Clean the
inlet screens. Refer to the
″
Clean the Inlet Screens
″
section in the Valve
Homeowners Guide.
B.
Cold water supply failure.
B.
Reinstate the cold water
supply.
C.
Safety circuit may require
resetting.
C.
Press the [Power Icon] once,
the display will show
″
SEt;
″
press the [Power Icon] again
to turn the system OFF;
resume use of the system as
usual. If the fault reoccurs,
contact your Kohler Co.
Authorized Service
Representative.
D.
Thermistor is damaged.
D.
Replace the thermistor.
Contact your Kohler Co.
Authorized Service
Representative.
E.
Valve circuit board is
damaged.
E.
Replace the valve circuit
board. Contact your Kohler
Co. Authorized Service
Representative.
1143086-5-E
6
Kohler Co.