Kohler C3-230 Assembly instructions

科勒（中国）投资有限公司
中国上海市静安区江场三路158号 邮编：200436
制造商：上海科勒电子科技有限公司
中国上海市宝山区丰翔路1955号 邮编：200444
Homeowners Guide
用户手册
Smart Seat
清舒宝智能便盖
C3-230
K-4108T-0
English page 2-21
中 文 页 码 22-41
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CAUTIONS AND WARNINGS
Children, elders or those with disabilities from their body, sensitivity or mental
disabilities or lacking of common sense should not use or get close to this
product unless under close tutelage. Children are not allowed to use or touch
this product. Do not leave children alone in a room with such product.
:DUQLQJ Risk of electric shock, fire or personal injury. This product
must be installed safely. Connect only to dedicated 220V~, 50Hz, 10A
circuit protected by Ground-Fault Circuit-Interrupters (GFCI’s) or
Earth-Leakage Circuit-Breakers (ELCB’s).
:DUQLQJ Risk of electric shock or product damage. Do not immerse
the product into water.
,PSRUWDQWRisk of product damage. Do not install at a place where it may be
splashed by water.
,PSRUWDQWRisk of product damage. Do not install the product at a place
with excessive humidity, where moisture may condense at the surface of the
product. Please maintain that the usage envi-ronment is under adequate
ventilation, so as to prevent damage to electronic components. 
,PSRUWDQWRisk of product damage or property loss. Water leakage may
happen if the water pipe connector is pulled or pushed with excessive force.
,PSRUWDQWRisk of product damage. The product may be damaged if the
nozzle is applied with excessive force.
,PSRUWDQWRisk of product damage. The part of the pipe where water may be
frozen should be protected by thermal insulation. Any water left in the product
may be frozen during the winter season. Please keep the product in room
temperature before reinstallation or usage. 
,PSRUWDQWRisk of product damage. The power shall not be connected before
the work is finished. Otherwise it may lead to product failure. 
$WWHQWLRQThe thermal protector may be out of order during storage or
transportation in warm climate which can lead to product failure. Please
ensure the product cools to room temperature before reinstallation or usage.
When an electrical product is used, especially when children are near, the
following basic safety precautions shall be abided by:
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□Do not place or store this appliance where it can fall or be pulled into a bath
or sink.
Do not place in or drop into water or other liquid.
Do not reach for a product that has fallen into water. Unplug immediately.
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Kohler Co.

CAUTIONS AND WARNINGS (cont.)
□
□
recommended by Kohler Co. such as T-valve etc.
Do not lean on cover when use this appliance to prevent product from damage.
□
□
□
□
□
□
For those children and the elderly who are unable to adjust the
temperature, they should ask for help to adjust seat temp, water temp and
wind temp of toilet cover to proper gears.
□
□
been dropped into water.
Install this product properly by following the installation procedure.
This product shall be repaired by professionals only. The warranty will
become invalid if you try to repair this product by yourself.
When install the product in the room, a stop valve shall be installed in a close
proximity. For emergency circumstances, the water inlet valve shall be stopped
without using any tools; otherwise unexpected failure may cause the loss to
the customer.
Keep power line far from heated surface.
Do not drop or insert any substance to pipeline or the opening.
Do not use this product outdoor or in a place where a particle mist spray
device is used,neither at a place of provisions.
The installation should be subject to the instructions before the power is
connected.
Water should not be poured into the power plug.
Exposed skin should not make contact with heating seat for too long a time
to prevent low temperature burning.
□
□
□
□
□
□
□
the professionals from its maintenance
department or similar departments, to avoid the occurrence of danger.
Please use the water supply hose accompanying with new machine. The old
hose assembly shall not be used again.
When customer cut power supply off, if reactivation of power supply is
required, please wait until the end of “beep……” indication, and then turn on
power supply again.
Kohler Co.
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MPa
MPa
MPa
Specifications
Water efficiency grade*Level II
7
*The description of water efficiency label marked on Bidet: water efficiency label represents a compliance mark of the water
efficiency grade etc. performance of Bidet.
*Power value testing condition: dynamic pressure 0.2MPa, inlet water temp 15°C.
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Kohler Co.

E
D
C
B
A
F
G
H
front ཇᗻކ⋫
rear 㞔䚼ކ⋫
wand ஋ఈ⿏ࡼ
dryer ᱪ亢
stop ذℶ
seat temp ೜⏽
water temp ∈⏽
pulsate 㛝ކ
oscillate ⿏ࡼ
Keypad and Panel Diagram
Cover (antibacterial*)
Seat (antibacterial*)
Thank You For Choosing Kohler Company
Thank you for choosing a Kohler product. Kohler craftsmanship offers you
a rare combination of proven performance and graceful sophistication that will
satisfy you for years to come. The dependability and beauty of your Kohler
product will surpass your highest expectations. We are very proud of our products
here at Kohler and we know you will be too.
Please take a few minutes to study this Homeowners Guide. Pay special attention
to the care and cleaning instructions.
All information in this manual is based upon the latest product information
available at the time of publication. At Kohler, we constantly strive to improve the
quality of our products. We reserve the right to make changes in product
characteristics, packaging or availability at any time without notice.
*Antibacterial: the seat and cover contains long term inorganic anti-bacteria material which will inhibit bacteria growth on
surface, this does not represent the mildew and other incidental effects. The antibacterial rate is more than 90%. (Perform
test in accordance with GB21551.2-2010 requirements. Testing lab: China household electrical appliances testing institute;
electromechanical products testing technology center of Shanghai Entry-Exit inspection and quarantine bureau.)
Kohler Co.
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When flushing or heater is activated, the flushing or heater features
can be halted by pressing the STOP button. When the user is seated,
the deodorizer feature is activated automatically. Only when
deodorizer feature is activated can it be deactivated by pressing the
STOP button. After the deodorizer feature is deactivated, it will no
longer be activated before being reseated.
Operation
㞔䚼ކ⋫
஋ఈ⿏ࡼ
ᱪ亢
A - Stop
Press and hold the STOP button for two seconds, the night light will
be turned on or off. When it is turned off (with a long tone), the night
light is deactivated; while it is turned on (with a short tone), the night
light will be controlled automatically by the environment light (if the
environment is dark, the light will be turned on, otherwise it will be
turned off).
The indicator will display the current heater temperature, and the
temperature of warm air can be changed first from low to high and
then from high to low, stage by stage cyclically by pressing the
HEATER button continuously. This feature will stop automatically after
running continuously for 4 minute.
In the flush state, the bidet wand can be controlled by pressing the
BIDET WAND button, and the distance of bidet wand can be changed
first from short to long and then from long to short cyclically by
continuously pressing the BIDET WAND button.
In the case when nobody is seated, press and hold the BIDET WAND
button for over 2 seconds, the bidet wand will extend. Press and hold
the BIDET WAND button for over 2 seconds again, the bidet wand
will retract. If there is no action on the button for 2 minute, the bidet
wand will retract automatically.
Press REAR WASH button to activate rear wash and the current
flushing intensity will be shown.
In the rear wash state, the flushing intensity can be changed first from
low to high and then from high to low, stage by stage cyclically by
continuously pressing the REAR WASH button. It will stop
automatically after 5 minutes of continuous flushing.
When being seated, the heater feature will be activated by pressing
the HEATER button. If the wash feature is activated, it will be halted
immediately.
๑ᆩݛ݆
C - Bidet Wand Position
D - Rear
B - dryer
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Kohler Co.

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ᱪ亢
ذℶ
೜⏽
㞔䚼ކ⋫
ذℶ
஋ఈ⿏ࡼ
ᱪ亢
ذℶ
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∈⏽
Press FRONT WASH button to activate front wash (female exclusive
use) and the current flushing intensity will be shown. In the front wash
state, the flushing intensity can be changed first from low to high and
then from high to low stage by stage cyclically by continuously
pressing the FRONT WASH button. It will stop automatically after 300
seconds of continuous flushing.
E - Front
In the flush state, press this button to activate pulsating flush.
F - Pulsate+Oscillate
The feature will be changed cyclically from pulsate, oscillate,
pulsate/oscillate, pulsate/oscillate off (return to front or rear flush), and
the corresponding small lamp will be lit. If the pulsate/oscillate flush is
The temperature of flushing water can be changed first from low to high
and then from high to low, stage by stage, and back to off again,
cyclically by pressing the WATER TEMPERATURE button. The
indicators will be lit up to show the parameter of corresponding water
temperature. If it is turned off, the indicator will not light.
G - Water temperature
The temperature of the ring can be changed first from low to high and
then from high to low stage by stage, and back to off again, cyclically
by pressing the RING TEMPERATURE button. The indicators will be lit
up to show the parameter of corresponding ring temperature. If it is
turned off, the indicator will not light.
H - Seat temperature
Press and hold the RING TEMPERATURE button for 2 seconds, the
energy-saving feature will be turned on (with a short tone) or turn off
(with a long tone). The ring temperature light flashing indicates that the
energy-saving feature is turned on; while the ring temperature light stop
flashing indicates that the energy-saving feature is turned off, or while
being seated, the cistern and seat heaters will be turned off.
One week after the activation, the ring performs an automatic detection
in user’s habitual routine. Starting from the second week, the ring
automatically gets itself into Power Save mode when it is less used,
depending on the detected user routine of the first week.
During the third week, the ring bases its judgment on the data collected
during the previous week to decide when it enters into Power Save
mode. It works the same for the following weeks.
turned off (return to front or rear flush) the indicator light will not light.
The Bidet is equipped with Wide Oscillate function. If you would like to
use Wide Oscillate function, please hold pulsate/oscillate key about
2s to activate rear wash and pulsate flush.
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஋ఈ⿏ࡼ
ᱪ亢
ذℶ
೜⏽
∈⏽
I - Installation instructions
஋ఈ⿏ࡼ
ᱪ亢
ذℶ
∈⏽
Low-mid
small indicator
lights up and
medium
indicator flashes
Mid
small and
medium indica-
tors light up
simultaneously
Mid-high
small and
medium indica-
tors light up; large
indicator flashes
High
small, medium
and large
indicators light up
simultaneously
Low
small
indicator
lights up
J - Sanitize
Auto UV sterilization function will be activated and start sterilizing nozzle when
unseated for a long time. No sterilization function shall be activated after this
process in another 24hrs.
*UV sterilization (refers to the ultraviolet sterilization generated by UV lamp): During UV working cycle, the bacteria on
nozzle surface will be eliminated by irradiation. The antibacterial rate is more than 99%. (Measured after one UV working
cycle, it was measured within 16mm×8mm irradiation area. Perform test in accordance with GB /T 23131 requirements,
UV radiation zone was shown in the diagram, UV working cycle activation mode refers to users guide. Testing lab: China
household electrical appliances testing institute.)
UV radiation range Bidet nozzle
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Kohler Co.

Remote Control User Guide
A - "Power" icon
!!!Click this button to switch on.
The icons on the third row flash when the remote control is not properly matched with the seat. The
flashing stops when the seat is available for service.
I - "Seat Temp." icon
Press this icon to adjust the seat temperature among the 5 gears available or turn off the seat warming
function.
Long press the icon to enter / exit energy-saving mode.
B - “Front” wash icon
Press this icon to start front wash function, which will stop after 5 minutes or when the “Stop” icon is
pressed.
Short press this icon to stop front wash, rear wash, dryer deodorization and manual cleaning nozzle
function. Long press this icon to turn off.
C - “Stop” icon
D - “Rear” wash icon
Press this icon to start rear wash function, which will stop after 5 minutes or when the “Stop” icon is
pressed.
E - “Oscillate” icon
Press this icon to start oscillate spray function when front / rear wash is on. Press the icon again to stop
this function.
F - “Pulsate” icon
Press this icon to start pulsate spray function when front / rear wash is on. Press the icon again to stop
this function.
G - "Preset" icons
Save or restore previous saved settings. Users are allowed to save 2 settings in total.
H - "Wand" icon
Press this icon to adjust wand's position when front / rear wash is on.
In the case when nobody is seated, Long press this icon to start manual nozzle cleaning function, and long
press this button again and press “Stop” icon to stop the function.
J - "Deodorizer" icon
Press this icon to start deodorizer function. To stop the function, press the "Stop" icon.
A
B
C
D
E
F
I
J
K
L
M
G
H
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flashes when the battery is low. When that happens, place the remote control
back onto the charging port to charge.
Matching
Note: The matching operation can only be done under unseated condition.
The Preset Function
Note: Please charge immediately when the low voltage alarm is on.
If the seat cover is normally powered, press the power button at the top of the
remote control to start up. flash for a long time when the
remote control is not properly connected to the corresponding seat.
Long press , until flash quickly, and then start the
operation.
At the same time, long press and on the side panel until hearing a short
beep.
When on the remote control stop flashing, the remote
control and the seat are successfully matched
Remote control which has been matched needs to be disconnected before another
matching operation.
In front, rear and dryer function is not enabled, press or to restore to
previous saved settings. Each gear’s indicator light lasts for 5 seconds.
Long press or to save the current settings. Each gear’s indicator light lasts
for 5 seconds.
Low Voltage Alarm
The red light on the charging port flashes when its own battery is low. When that
happens, replace the batteries in the port.
M - “Pressure” icon
Press this icon to adjust water spray intensity when front / rear wash is on.
L - “Water Temp.” icon
Press this icon to adjust water temperature when front / rear wash is on.
K - “Dryer” icon
When being seated, press this icon to start or adjust dryer function, which will stop after 4 minutes or
when the “Stop” icon is pressed.
Initialize each word
Long press the "Stop" icon to force shut down the device.
Connections Between the Remote Control and the Seat
flash when the remote is disconnected from the seat. If the
devices are reconnected , the icons will stop flashing and resume previous
state.
z
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Kohler Co.

Preparation before the First Use
Connect the inlet hose; open the water stop valve and connect the power.
Toilet makes one short beep once it is plugged in. The nozzle stretches out
and draws back once. Backlight on the side keyboard lights up and the night
light flashes. All the actions last until the initialization process completes.
Wait for the host to finish self-checking. During that time, it is normal to hear
rotating sound of the motor and bicker. Self-checking is completed when the
light flashes.
When the unit is used for the first time, the following has been preset.
Front Wash:
Water Temperature: mid
Water Pressure: mid
Position: mid
Rear Wash:
Water Temperature: mid
Water Pressure: mid
Position: mid
Seat temperature: mid
Dryer temperature: mid
Night light: function on
Power save: off
Ensure if water inlet valve is OPEN.
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Test the Functions
Wrap the seat with plastic wrap to prevent water from spraying from the toilet
during testing.
The seat is designed not to function without an occupant. To activate the seat
controls for testing purposes, when facing the toilet, place your hand or a damp
wash cloth on the right side of the seat approximately 1/3 from the front of the
seat (sensor area).
Proceed to the “Keypad and Panel Diagram” and “Operation” Sections to test
the various seat functions.
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Kohler Co.

Care and Cleaning
Cleaning Your Seat
Avoid abrasive cleaners, detergents, disinfectants or
cleaning products in aerosol cans.
Care Tip: Clean the seat with a mixture of
dishwashing liquid and water, or any of the
products listed for toilet seats, using a damp soft
sponge or cloth. Dry with a soft towel and let the
seat air dry.
Do not allow abrasive chemicals and cosmetics (such as
fingernail polish and aftershave) to come in contact with the
toilet seat, as they can damage the finish.
NOTE: Success with cleaners and procedures is dependent upon such factors
as the hardness and temperature of the water, using exact quantities of
ingredients, changes in cleaning formulas, and the condition of the product
being cleaned. Since there are variations within these factors, Kohler cannot
guarantee the effectiveness of the formulas mentioned.
For best results, keep the following in mind when caring for your Kohler
product:
IMPORTANT! Do not immerse product in water.
Test First - Always test your cleaning solution on an
inconspicuous area before applying it to the entire
surface.
Do Not Let Cleaners Soak - Do not allow cleaners to sit
or soak on the product.
Avoid Abrasive Materials - Use a soft, dampened
sponge or cloth. Never use an abrasive material such as
a brush or scouring pad to clean surfaces.
Wipe Clean - Wipe surfaces clean with a damp cloth
immediately after applying cleaners. Wipe away and dry
any overspray that lands on nearby surfaces.
NOTICE: Open cover or add water inside the toilet
might avoid the plastic parts yellowing problem
caused by backflow air from discharge pipe after
residual toilet water evaporated during long-term
idle status.
NOTICE: Failure to comply with these cleaning instructions may void Kohler’s
warranty obligations.
Kohler Co.
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NOTE: The Nozzle can only be extended for cleaning when the seat is not
activated or occupied.
Open the lid and ring.
Press and hold the BIDET WAND button for over 2 seconds, clean the bidet
wand with a soft mane brush until the bidet wand fully extend.
After having the bidet wand cleaned, press and hold the BIDET WAND button
for over 2 seconds, the bidet wand will retract. Otherwise, the bidet wand will
automatically retract after a while.
Clean the Nozzle
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Kohler Co.

IMPORTANT! Risk of product damage. Use care not to crossthread
the connection.
Turn off the water supply at the supply stop.
Remove seat inlet pipe.
Using a long-nosed pliers carefully remove the screen from the seat
inlet (see illustration).
Clean the screen with a soft-bristled brush.
Reinstall the screen.
Take care to face right in position to the thread. Reconnect the water
supply hose to the seat.
Check all connections for leaks and make any adjustments as needed.
Turn on the water supply.
Clean the Screen
Long-nosed pliers
Screen
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Changing Deodorization Block
IMPORTANT! Risk of product damage. Do not apply excessive force
to the louver while disassembly. Otherwise, it may be damaged.
Unload the jalousie.
Pull out the original deodorization block.
Replace with a new one.
Load the jalousie.
Make sure no impurities in the deodorization assembly before renewing
the deodorization block.
Jalousie
Deodorization block
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Kohler Co.
Scan the QR code to order the replaced part with the part number
21039T-NA.

Remove the Seat
127(The seat will contain water until drained. Refer to the “Drain the
water from the seat” section.
Turn off the water supply at the supply stop.
Turn on flush function to relieve any pressure from the water supply hose.
Unplug the seat from the electrical outlet.
Disconnect the water supply hose from the T-valve.
Press the release button(see illustration).
Slide the seat forward to disengage the seat front the mounting plate.
Mounting Plate
Release Button
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Turn off the water supply and unplug the unit.
Remove the seat from the toilet. Refer to the “Remove the Seat” section.
Drain the water from the seat.
Reinstall the drain plug.
CAUTION! Risk of product damage. When the seat is not used for a
long time or environmental temperature may have dropped to below
freezing, the water should be drained from the seat.
Drain the Water from the Seat
Remove plug with coin.
This troubleshooting guide is for general aid only. A Kohler Authorized Service
Representative or qualified electrician should correct all electrical problems. For
warranty service, contact your dealer or wholesale distributor.
Troubleshooting
1. Funtions are not
working
A. Power failure occurred.
B. The power cord is disconnected.
C. Power cord suffers electricity
leakage. Connector plug
is not reset.
D. You have not touched the seat
sensing area.
E. Thermal protector to open
automatically to protect.
F. None of the above actions
correct the symptom.
A. Wait until the power is restored.
B. Insert the power cord into an
electrical outlet.
C. Press the “Reset” icon on the
plug.
D. You have to sit inside the seat
sensing area.
E. Allow the seat to cool to room
temperature.
F. Contact a KOHLER Service
Representative.
General Functions
Symptoms Probable Causes Recommended Action
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Kohler Co.

Symptoms Probable Causes Recommended Action
2. Seat is loose
3. No water comes out
of the nozzle
A. Screws and nuts are loose. A. Tighten the screws and nuts
according to the installation
guide
A. Seat does not detect user.
B. Water supply stop closed.
C. Water supply screen plugged.
D. None of the above actions
correct the symptom.
A. Sit on the seat.
B. Power off and solve the
problem, power on.
C. Clean the screen according to
the installation guide.
D. Contact a KOHLER Service
Representative.
1. No water flow
3. Water stops flowing
from the spray wand
before I am finished
cleaning
4. Water keeps on
dripping from nozzle
side holes
A. The water supply stop is closed.
B. The seat sensor is not detecting
the user.
A. Open the water supply stop.
B. See activating the seat
information in the
“Test the Functions” section.
2. The water pressure
is low
A. The screen is clogged.
B. Low supply pressure.
A. See the “Clean the Screen”
section.
B. Increase the pressure.
A. One minute after pressing one
of the spray icons,
washing automatically stops.
B. The seat sensor is not detecting
the user.
A. Press the “Rear” or “Front” icon
again.
B. See activating the seat
information in the “Test the
Functions” section.
A. This is to prevent the unit inside
part being over pressured.
A. None
Troubleshooting(cont.)
Cleansing Functions
A. Due to change in room
temperature.
A. None.1. The speed of the
seat and cover
closure varies in
summer and winter.
Symptoms Probable Causes Recommended Action
Slow Close Cover
A. Residue water in the nozzle will
be automatically discharged
before use if it is not used for
extended time.
A. None.
5. When seated, water
flows out from the
nozzle.
Symptoms Probable Causes Recommended Action
Remote Control
1. The remote control
is not diplay
A. The battery has been used up A. Change the batteries in dock,
and proper hang remote to
dock for battery charging.
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1223525-T01-M

A. The seat sensor is covered by
an object or the seat is wet.
A. Remove any water or object
from the seat sensor
area.
1. Wash, Deodorizer, or
Air functions operate
when you press the
icon while seat is not
occupied.
A. The seat sensor is not detecting
the user.
B. Press “STOP”
A. See activating the seat
information in the
“Test the Functions” section.
B. See activating the seat
information in the
“Operation” section.
1. The deodorizing
blower feature
doesn’t work.
A. Deodorization block is empty. A. Renew deodorization block.2. Odor is not removed.
A. The seat sensor may not be
able to detect you depending
on the way you are sitting.
A. Change your sitting position.
2. Even though the seat
is occupied, the spray
function does not
work.
A. Four minutes after pressing the
“Air Speed” icon,
blower automatically stops.
A. Press the “ AIR TEMP” button
again.
1. The hot blower stops
during use.
A. The bolts for the mounting plate
that secure the main unit are
loose.
A. Tighten the bolts of the
mounting plate.
1. The seat moves both
up and down and right
and left.
Troubleshooting(cont.)
Symptoms Probable Causes Recommended Action
Symptoms Probable Causes Recommended Action
Symptoms Probable Causes Recommended Action
Symptoms Probable Causes Recommended Action
Other
Deodorizer Functions
Air (Blower) Functions
Seat Sensor
B. No wake-up. B. Press wake-up button or
sitting on bidet seat to wake
remote up.
2. The remote control
does not work
A. Low battery.
B. Long distance from remote to
bidet seat.
C. No power supply of bidet seat.
D. No pairing of remote and bidet
seat.
A. Change the batteries in dock,
and proper hang remote to
dock for battery charging.
B. Shorten distance from remote
to bidet seat.
C. Power the bidet seat.
D. Re-pairing (see page 48).
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