Troubleshooting Guide (cont.)
Symptoms
6.
Pump draws air
during flush.
7.
No flush. The
pump does not
operate.
8.
Circuit breaker
trips frequently.
Kohler Co.
Recommended Action
A. The water line height may be incorrectly
set. Set the correct water line height.
Adjust the screw clockwise in order to
raise the elevation of the float and the full
water line.
A. The circuit breaker may have tripped.
Reset the circuit breaker. If the circuit
breaker trips again, go to the Circuit
Breaker Trips Frequently symptom.
B. The pump has locked out through its
internal thermal overload switch. Wait two
minutes and retry.
C. The flush button is not plugged in. Plug
modular plug of flush button wire into
jack in trip button housing.
D. The flush button has failed. Replace the
flush button.
E. The pump has failed. Replace the pump.
A. Check that the circuit breaker is properly
sized and has no other electrical loads.
B. Disconnect the wiring at toilet. Reset the
circuit breaker. If it resets properly and
stays reset, replace the pump.
C. If the circuit breaker trips while the pump
is disconnected, have an electrician correct
the fault in the wiring to the toilet.
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