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Troubleshooting Guide (cont.)
Symptoms Recommended Action
3. The fill
valve turns
on and off
by itself
without the
toilet being
flushed.
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.
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).
4. The fill
valve runs
continuously.
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.
5. The fill
cycle is
noisy.
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.
Kohler Co. 19 1092035-5-A