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Troubleshooting
Symptoms
1. Poor flush.
2. No flush.
3. The fill valve
turns on/off by
itself without
the toilet being
flushed, or it
runs, allowing
water to enter
the tank.
4. Long tank fill
cycle.
5. Noisy tank fill
cycle.
6. Trip arm strikes
tank lid underside.
Kohler Co.
Recommended Action
A. Adjust the tank water level to match the waterline.
B. Fully open the water supply shut-off valve.
C. Clear obstructions from the trapway, jet, or bowl rim holes.
D. Clear obstructions from the waste line.
A. Reconnect the flapper chain to the trip lever or flush
valve.
B. Adjust the flapper chain assembly to remove
excessive slack.
A. Adjust the chain for proper slack so flush ball isn't
held off flush valve seat.
B. Clean or replace the seal if it is worn, dirty, or
misaligned with the flush valve seat or flush valve
seat is damage. Repalce flush valve seal or flush valve.
C. Remove the tank lid and tighten flush valve nut if
flush valve gasket is leaking. Do not overtighten. If
leakage continues, replace gasket.
D. Clean fill valve seat / seat washer of debris, or replace
piston/ seat washer assembly.
E. Replace the fill valve if the valve float sinks.
F. Adjust the tank water level if it is too high.
A. Fully open the water supply shut-off valve.
B. Clean the valve inlet, valve head, or supply line.
Flush the lines.
A. Partially close water supply shut-off valve if water
pressure to toilet is too high. Check toilet performance
following any such adjustment.
B. Remove dirt or obstruction from the valve head.
Flush the lines.
A. Adjust flush ball chain assembly to remove excessive
slack.
B. Adjust trip arm bracket and flange so they are parallel
with tank top.
9
1070416-X2-C
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