Troubleshooting Guide (cont.)
Symptoms
Recommended Action
3.
The fill
A. Adjust the flapper chain for proper slack so the
valve turns
flapper is not held off the flush valve seat.
on/off by
itself
without the
toilet being
flushed, or
it runs,
allowing
water to
enter the
tank.
B. Clean or replace the flapper 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
A. Fully open the water supply shut-off valve.
fill cycle.
B. Clean the valve inlet, valve head, or supply line.
Flush the lines.
5.
Noisy tank
A. Partially close the water supply shut-off valve if
fill cycle.
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.
116990-5-B
6
Kohler Co.