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Troubleshooting Guide
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.
Kohler Co.
Flush Valve
Cable
Valve Head
Float Valve
Fill Valve
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. Make sure the push button rods are in place. Adjust
as needed.
A. Check the position of flush valve cable, flush valve cable
must not overlap the valve float sinks.
B. Check the position of flush valve cable, flush valve cable
must not obstructive the phase of overflow tube.
C. Clean or replace the flush valve seal if it is worn, dirty,
or misaligned with the valve seat or flush valve seat is
damaged.
D. Clean the fill valve seal of debris or replace the seal
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. Check the flexible supply line (if applicable) for a kink.
Remove the kink.
C. Clean the valve inlet, valve head, or supply line. Flush
lines.
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 lines.
Push Button
Overflow Tube
Waterline
Flush Valve
Seal
13
1278235-X2-B
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