Kohler Co.
21 1226975-X5-B
Symptoms
Probable Causes
Recommended Action
1. Toilet does not work.
A. Toilet is blocked.
B. Plug not connected or no power
to socket.
C. The leakage circuit breaker at
cable plug can not reset.
D. Product is at standby mode.
A. Wait until the power is restored.
B. Insert the plug or detect the power socket.
C. Press Reset button on the plug.
D. Press Power button at the side. Wake up
the product.
2. Toilet can not flush.
A. Water failure.
B. Tee valve for water supply is
closed.
C. Power failure.
D. Product is at standby mode.
E. Wash mode is in progress.
F. Auto-flushing is deactivated.
A. Wait until the water supply is restored
B. Open the tee valve for water supply
C. Wait until the power is restored or check
“manual flushing” to have manual
flushing or through use of basin
D. Press Power button on the side to wake up
the product
E. Do it after the operation at wash mode
is completed
F. Refer to “Guide on setting of remote
controller”
3. Toilet is not clean after
flushing.
A. Filter screen is blocked.
B. Water pressure is insufficient.
A. Refer to “Washing of filter screen”.
B. Check if all tee valves are opened. If not,
please open.
C. Check if the inlet hoses are bent. If so,
adjust the hoses.
4. Wash mode
is abnormal.
A. Water failure.
B. Tee valve for water supply
is closed or not opened
completely.
C. Product is at standby mode.
D. Not yet seated or current sitting
posture unable to be sensed by
the seat.
E. Filter screen is blocked.
F. Water pressure is insufficient.
G. The toilet is in the process of
flushing.
A. Wait until the water supply is restored.
B. Fully open the tee valve for water supply.
C. Press Power button at the side to wake up
the product.
D. Sit on or adjust your sitting posture.
E. Refer to the section of “Washing the filter
screen”.
F. Check if the inlet hoses are bent. If so,
adjust the hoses.
G. Flush again after this flushing
is completed.
5. Flushing mode stops in
the operation process.
A. Flushing mode stops
automatically after continuous
flushing for 5 minutes.
B. The seat is unable to sense
human body.
A. If necessary, press the flushing button
again.
B. Adjust your sitting posture or sit on the
toilet again.
6. The wash mode runs
even when no one
is sitting on the toilet.
A. The seat is covered by foreign
matters or the seat is wet.
A. Remove the foreign matters or dry
the seat.
7. Dryer fan stops in the
operation process.
A. The dryer fan stops
automatically after continuous
usage for 4 minutes.
B. The seat is unable to sense
human body.
A. If necessary, press the Dryer button again.
B. Adjust your sitting posture or sit on the
toilet again.
Troubleshooting
This guide of trouble shooting is for general help only. Authorised representatives or qualified electricians of
Kohler Company shall be able to solve all electrical failures. If you want to know about the service of warranty,
please contact local dealers or wholesalers.
Summary of Contents for K-5401X
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