Troubleshooting
This troubleshooting guide is for general aid only. For warranty
service, contact your dealer or wholesale distributor.
Symptoms
Probable Cause/Recommended
Action
1.
Only hot or cold water from
outlet.
A.
Inlet supplies are reversed. See
″
Reversed Inlet Supplies
″
section
of the valve Installation Guide.
B.
No hot water reaching shower
control.
C.
Check filter screens for
blockage.
2.
Fluctuating or reduced flow
rate.
Normal function of thermostatic
control when operating conditions
are unsatisfactory.
A.
Check filter screens for flow
restriction.
B.
Make sure that the minimum
flow rate is sufficient for supply
conditions.
C.
Make sure that inlet
temperature differentials are
sufficient.
D.
Service stops are not fully
threaded in. Rotate both service
stops until fully threaded.
E.
Service stops are not fully open.
Open them all the way.
F.
Check thermostatic performance;
renew thermostatic cartridge, if
necessary.
3.
No flow from shower control
outlet.
A.
Check filter screens for
blockage.
B.
Hot or cold supply failure;
thermostat holding correct
shutdown function.
C.
Flow control cartridge does not
work. Check and replace if
necessary.
D.
Service stops are shut off.
Rotate both stops
counterclockwise.
4.
Blend temperature drift.
Indicates operating conditions
changed.
Kohler Co.
9
1066046-5-B
