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Troubleshooting Guide (cont.)
Troubleshooting Table
Symptoms Recommended Action
1. Poor flush. A. If poor flush occurred for heavy waste while
using the short trip button, use the long trip
button.
B. If poor flush occurred soon after the toilet was
previously used, the tank may not have refilled
completely. Check the position of the water
supply shut-off valve. If required, fully open the
valve or wait longer between flushes.
C. Check for clogged trapway or rim holes. Clean if
necessary.
D. Check for clogged soil pipe or vents. Clean if
necessary.
E. If poor flushes occur with full tanks and clean
trapway, rim holes, soil pipes, and vents, then the
pump may be the problem. Check that the pump
hoses are undamaged and are properly installed.
F. Power interruptions or extreme low voltage
conditions can prevent pump operations. Check
that the proper electrical power is applied to the
pump.
G. If the problem persists, replace the pump.
2. Long fill
cycle. Fill
valve does
not refill
the tank.
A. Remove dirt or obstructions from the valve head.
Flush the lines.
B. The valve inlet or supply line may be plugged.
Clear particles from valve seat.
C. The supply stop may be closed. Fully open the
supply stop valve.
D. The fill valve may be clogged. Unclog the fill
valve. If the fill valve was clogged, install a filter
in the supply line to prevent recurring problems.
E. The float valve seal may be cracked or split.
Replace the valve assembly.
1092035-5-A 18 Kohler Co.