Kohler K-686 User Manual download pdf (Page 11)

Troubleshooting (cont.)

Troubleshooting Table

Symptoms Probable Cause Recommended Action

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.

4. 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 Homeowners Guide.

B. If the above recommended

action does not correct the

symptom, the interface or valve

requires servicing.

B. Contact your authorized Kohler

service representative.

5. Continuous ﬂow. A. System will not switch off. A. Turn off the water and power

supply and contact your Kohler Co.

authorized service representative.

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 with 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 if 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 in

the Valve Homeowners Guide.

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. Fluctuating water temperature. A. Check the inlet temperature

differentials and verify they are

sufficient. Refer to ″Speciﬁcations″

section.

B. Hot water supply temperature

ﬂuctuation.

B. Check and make adjustments as

needed.

Kohler Co. 11 1043184-2-B

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Kohler K-686 User Manual Page 11

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