Kohler K-3398 Mode D'emploi page 25

Troubleshooting Guide (cont.)
Symptoms
4. The fill valve runs
continuously.
5. The fill cycle is
noisy.
Pump draws air
6.
during flush.
7. No flush. The
pump does not
operate.
Kohler Co.
Recommended Action
F. The water line height may be incorrectly
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.
A. The water line height may be incorrectly
set. Set the correct water line height.
Adjust the screw clockwise in order to
raise the elevation of the float and the full
water line.
A. The pump is not plugged in or the
electrical power is not on. Plug the
three-prong plug from the pump into
Class A GFCI, or turn on power to toilet.
B. The pump has locked out through its
internal thermal overload switch. Wait two
minutes and retry.
C. The trip button is not plugged in. Plug
modular plug of the trip button wire into
jack in trip button housing.
D. The trip button has failed. Replace the
flush button.
E. The pump has failed. Replace the pump.
25 1013091-5-B