©2021 Kohler Co.
7 1355511-B2-A
FILL FLOAT WITH BALLAST
Adjust the float by the cross-shaped thread
and sliding it up or down on the float rod
until the water level is at the marked water
line.
Test flush the toilet.
Check all connections for leakage for sev-
eral days.
Set the tank cover in place on the tank.
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TROUBLESHOOTING CHART
SYMPTOMS
PROBABLE CAUSES
CORRECTIVE ACTION
1. Fill valve turns on/off by itself
without toilet being flushed.
A. No slack in flapper chain assembly, holding
flapper off seat.
A. Adjust flapper chain assembly for proper
slack.
B. Flush valve flapper ball worn, dirty or
misaligned with flush valve seat; or seat cor-
roded so flapper will not seat.
B. Inspect, clean and, if necessary, replace
flapper ball and/or seat.
2. Fill valve continues to run,
allowing water to enter tank.
A. Foreign particles lodged under the float
valve seal (located under fill valve cap).
A. Shut off water supply; remove fill valve
cap assembly by rotating 1/8 turn counter-
clockwise. Cover uncappedlower valve unit
with an inverted cup (holding it to prevent
overspray), and turn water on and off a few
times. Clean fill valve seal surface (located
under float valve cap). Replace fill valve cap
assembly by engaging lugs and rotating 1/8
turn clockwise. Turn water on. Install filter in
supply line to prevent recurring problems.
B. Fill valve seal (located under float valve cap)
may be cracked or split.
B. Replace seal.
C. Tank water level set above overflow level.
C. During fill cycle, hold float under water a few
seconds to allow it to fill with water ballast.
Adjust float by adjust the cross-shaped
thread on float rod and sliding float up or
down on float rod until water level is at
marked water line.
D. Water leaking past flush ball.
D. Replace flush ball.
E. Trip lever binding, holding flush ball open.
E. Turn trip lever nut clockwise to loosen until
trip lever on longer binds.
3. Incorrect water level height.
A. Valve float cup does not contain enough
water to provide required ballast.
A. During fill cycle, hold float under water a few
seconds to allow it to fill with water ballast.
B. Float height incorrect.
B. Adjust the cross-shaoed thread on float rod
until water level is at marked water line.
4. Long or noisy tank fill cycle.
A. Plugged valve inlet or supply line.
A. Perform Corrective Action 2.A.
5. Poor flush
A. Water level is too low.
A. Adjus tank waterlevel.
B. Trapway or rim holes are obstructed.
B. Unclog trapway; clean rim holes.
C. Soil pipe or vent is obstructed.
C. Clean obstruction from soil pipe or vent.
D. Supply shut-off valve not fully open.
D. Open supply shut-off valve.
6. Toilet overflows.
A. Toilet trapway is obstructed.
A. Use plunger to unclog.
B. Soil pipe or vent is obstructed.
B. Clear obstruction from soil pipe or vent pipe.
