Troubleshooting
Symptoms
1. The tank keeps
overflowing to the bowl.
2. No inflowing into the
tank.
3. The tank fill cycle is
long or noisy.
4. Poor flush.
5. The toilet is
overflowing.
6. The flush is not
functional.
Kohler Co.
Probable Cause
A. The seal under the flush valve
may be damaged or split.
B. The lever of the floating box
could not be lifted due to
obstacles.
A. The supply shut-off valve is
not fully open.
B. The lever of the floating box
could not return to the original
position due to obstacles.
A. The valve inlet or supply line
is blocked.
B. The supply shut-off valve is
not fully open.
A. The water level is too low.
B. The trapway or rim holes are
blocked.
C. The waste pipe or vent is
blocked.
D. The water level in the bowl is
low due to the refill tube is
either blocked or not properly
inserted into the overflow
tube.
E. The supply shut-off valve is
not fully open.
A. The toilet trapway is blocked.
B. The waste pipe or vent is
blocked.
A. The chain is not connected to
the lift rod or flush valve.
Recommended Action
A. Check and clean the seal and the base of the flush
valve to ensure no obstacles or damage.
B. Check and clean the lever and the floating box to
ensure no obstacles or damage.
A. Open the supply shut-off valve.
B. Check and clean the lever and the floating box to
ensure no obstacles or damage.
A. Replace the seal.
B. Open the supply shut-off valve.
A. Adjust the tank water level.
B. Clear the blockage in the trapway and clean the
rim holes.
C. Remove the blockage from the waste pipe or vent.
D. Clean or straighten the refill tube and attach the
refill tube to the overflow tube.
E. Open the supply shut-off valve and ensure no
obstacles in the tank.
A. Use a plunger to clear the blockage.
B. Remove the blockage from the waste pipe or vent.
A. Reconnect the chain.
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1535881-2-A