Kohler Co.
9
1200923-X2-B
Troubleshooting
Symptoms
Recommended Action
1. Poor flush.
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.
2. No flush.
A. Reconnect the chain to the trip lever or flush valve.
B. Adjust the chain assembly to remove excessive slack.
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 chain for proper slack so the seal is not
held off the flush valve seat.
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 and 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. Tank takes
excessive time
to fill.
A. Fully open the water supply shut-off valve.
B. Clean the valve inlet, valve head, or supply line.
Flush the lines.
5.
There is excessive
noise when the
tank is filling.
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.
