Kohler K-2972, Installation Manual

Page: 22 / 72

Troubleshooting (cont.)
Symptoms Probable Cause/Recommended
Action
B.
Hot or cold supply failure.
Replace the supply valve.
C.
Flow control cartridge not
working. Check and replace if
necessary.
D. Service stops are shut off.
Rotate both service stops clockwise
until fully open.
4. Blend temperature drift. A. Indicates operating conditions
have changed. No action is
needed.
B. Refer to symptom 2.
C. Hot supply temperature
fluctuation.
D. Supply pressure fluctuation.
5. Hot water in cold supply or
cold water in hot supply.
A. Indicates crossflow. Replace
check valve.
6. Maximum blend temperature
setting too hot or too cold.
A. Indicates incorrect maximum
temperature setting; refer to the
″
Adjust the Hot Temperature
Limit
″
section.
B. Refer to symptom 4.
C. Refer to symptom 5.
7. Water leaking from the valve
body.
A. Seal(s) worn or damaged.
Obtain service kit and replace
seal(s).
B. If leaking from around the
temperature spindle, replace the
thermostatic cartridge.
8. Flow knob or temperature
knob is stiff to operate.
A. Impaired free movement of
internal components. Replace the
appropriate cartridge.
B. Supply pressures are too high.
Fit pressure reducing valve.
1145568-2-A 22 Kohler Co.