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TROUBLESHOOTING CHART
TROUBLESHOOTING CHART
SYMPTOMS
1. Float valve turns on/off
by itself without toilet
being flushed.
2. Float valve continues
to run, allowing water
to enter tank.
3. Incorrect water level
height.
4. Long or noisy tank fill
5. Poor flush.
6. Toilet overflows.
1.
/
2.
3.
4.
5.
6.
1037406-T01-N
PROBABLE CAUSES
A. Flush valve seal worn, dirty or damaged.
A. Float valve seal (located under float valve cap)
may be cracked or split.
B. Tank water level set above overflow level.
A. Float height incorrect.
A. Plugged valve inlet or supply line.
A. Water usage is too low.
B. Trapway obstructed.
C. Soil pipe or vent is obstructed.
D. Supply shut-off valve not fully open.
A. Toilet trapway is obstructed.
B. Soil pipe or vent is obstructed.
A.
A.
(
B.
A.
A.
A.
B.
C.
D.
A.
B.
A. Inspect, clean and, if necessary replace seal.
A.
Replace seal.
B. During fill cycle, hold float under water a few
seconds to allow it to fill with water ballast.
Refer to "Minor Adjustment of Water Level" for
waterline adjustment.
A. Refer to "Minor Adjustment of Water Level" for
waterline adjustment.
A. Perform corrective action 2.A.
A. Adjust the
B. Unclog trapway.
C. Clear obstruction from soil pipe or vent.
D. Open supply shut-off valve.
A. Use plunger to unclog.
B. Clear obstruction from soil pipe or vent pipe.
A.
)
A.
B.
A.
A.
2A
A.
B.
C.
D.
A.
B.
-9-
CORRECTIVE ACTION
tank
water level.
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