Kohler K-527 User Manual page 21

Troubleshooting (cont.)
Error Code Diagnosis
Error Code Error Description
3 Outlet temperature is too
high or control thermistor
fault.
4 Open circuit
thermistor detected.
7 Outlet temperature is
too high or outlet
thermistor fault.
Kohler Co.
Possible Cause
A. The inlet/outlet fittings
may be blocked.
B. Cold water supply failure.
C. Safety circuit may require
resetting.
D. Thermistor is damaged.
E. Valve circuit board is
damaged.
A. Thermistor is damaged.
B. Valve circuit board is
damaged.
A. The inlet/outlet fittings
may be blocked.
B. Cold water supply failure.
C. Safety circuit may require
resetting.
D. Thermistor is damaged.
E. Valve circuit board is
damaged.
21
Corrective Action
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. Reinstate the cold water
supply.
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. Replace the thermistor.
Contact your Kohler Co.
Authorized Service
Representative.
E. Replace the valve circuit
board. Contact your Kohler
Co. Authorized Service
Representative.
A. Replace the thermistor.
Contact your Kohler Co.
Authorized Service
Representative.
B. Replace the valve circuit
board. Contact your Kohler
Co. Authorized Service
Representative.
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. Reinstate the cold water
supply.
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. Replace the thermistor.
Contact your Kohler Co.
Authorized Service
Representative.
E. Replace the valve circuit
board. Contact your Kohler
Co. Authorized Service
Representative.
1144502-5-D