Troubleshooting Guide (cont.)
Symptoms
Recommended Action
3.
The fill valve turns
on/off by itself
without the toilet
being flushed, or it
runs, allowing
water to enter the
tank.
A.
Adjust the flush ball chain for proper slack
so the flush ball is not held off the flush
valve seat.
B.
Clean or replace the flush ball if it is worn,
dirty, or misaligned with the flush valve
seat, or if the flush valve seat is damaged.
Replace the flush valve seal or flush valve.
C.
Clean the fill valve seat/seat washer of
debris, or replace the piston/seat washer
assembly.
D.
Remove the tank and tighten the flush
valve nut if flush valve gasket is leaking.
Do not overtighten. If leakage continues,
replace the gasket.
E.
Replace the fill valve if the valve float
sinks.
F.
Adjust the tank water level if it is too
high.
4.
Long tank fill
cycle.
A.
Fully open the water supply shut-off
valve.
B.
Clean the valve inlet, valve head, or
supply line. Flush the lines.
5.
Noisy tank fill
cycle.
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.
7
1020454-5-A
