Kohler K-3399 Homeowner's Manual page 22

Troubleshooting Guide (cont.)
Symptoms
3. The fill valve turns
on and off by itself
without the toilet
being flushed.
4. The fill valve runs
continuously.
5. The fill cycle is
noisy.
114950-5-A
Recommended Action
A. Clean the fill valve seat/seat washer. If no
debris is found, replace the piston/seat
washer assembly.
B. Replace the fill valve if the valve float
sinks.
C. The float operates the fill valve at too high
a level. Adjust the tank water level if it is
too high.
D. Clean the valve inlet, valve head, or
supply line. Flush the lines.
E. Either pump discharge hose may be loose
allowing water to drain from the tank into
the toilet. Ensure that both hoses are
properly connected. Contact a Kohler
Service Representative if necessary.
The water line height may be incorrectly
F.
set. Set the correct water line height.
G. Water may be leaking past the jet hose
spud gasket into bowl. Replace spud unit
(see installer/dealer for instructions).
A. Replace the fill valve if the valve float
sinks.
B. Adjust the tank water level if it is too
high.
C. Clean the valve inlet, valve head, or
supply line. Flush the lines.
D. An excessively high water supply pressure
may force the water through the fill valve.
If required, reduce external water pressure.
E. Foreign particles may be lodged under the
float valve seal. Clear particles from valve
seat.
F. The float valve seal may be cracked or
split. Replace valve assembly.
A. Partially close the water supply shut-off
valve if the water pressure to the toilet is
too high. Check the toilet performance
following any such adjustment.
B. Remove dirt or obstructions from the
valve head. Flush the lines.
22 Kohler Co.