Kohler K-4108 Assembly instructions

Homeowners Guide
Bidet Seat with Remote Control
Mproduct numbers are for Mexico (i.e. K-12345M)
Los números de productos seguidos de
Mcorresponden a México (Ej.
K-12345M)
Français, page “Français-1”
Español, página “Español-1”
K-4108
1194356-5-B

Important Information
READ ALL INSTRUCTIONS BEFORE
USING
When using electrical products, especially when children are present,
basic safety precautions should always be followed, including the
following:
WARNING: Risk of personal injury. Replacement of the UV
lamp must only be performed by qualified service personnel.
CAUTION: Risk of personal injury. Do not remove the UV
lamp protective cover. Eye damage may result from viewing
the UV light directly. Always be certain the lamp is off before
opening the protective cover. Flashing night light indicates
the UV lamp is in operation.
IMPORTANT! Risk of product damage. Do not install this seat in a
location exposed to excessive moisture where condensation might
form on the product surface. Provide adequate ventilation when
bathing to avoid damage to the electronic components due to high
humidity levels.
IMPORTANT! Risk of product or property damage. Pushing or
pulling on the water connection may cause water leakage.
IMPORTANT! Risk of product damage. Do not apply excessive
force to the spray wands. Product may break.
IMPORTANT! Risk of product damage. In areas where water may
freeze in the pipes, make arrangements to keep the pipes warm.
Any water remaining in the seat may freeze during storage during
the winter. Allow the unit to warm to room temperature before
reinstalling or using.
IMPORTANT! Risk of product damage. Do not supply electrical
power to the unit until the plumbing installation work has been
completed; it could cause the product to malfunction.
NOTE: The thermal protectors may trip during storage or
transportation in warm weather causing the unit to not operate.
Allow the unit to cool to room temperature before installation or
operation.
1194356-5-B 2 Kohler Co.

Important Information (cont.)
When using electrical products, especially when children are present,
basic safety precautions should always be followed, including the
following:
DANGER: To reduce the risk of electrocution:
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.
WARNING: To reduce the risk of low-grade burns, electric
shock, fire or injury to persons:
Close supervision is necessary when this appliance is used by or
near the very young, the elderly, or invalids. Children should not
be permitted to use or touch this appliance. Do not leave children
unattended in any room where this product is installed. Adjust
the temperature of the toilet seat for the elderly, those who are
incapacitated, or persons with sensitive skin.
Use this appliance only for its intended purpose as described in
the manual. Do not use attachments not recommended by Kohler
Co.
Never operate this appliance if it has a damaged cord or plug, if
it is not working properly, if it has been dropped, damaged, or
dropped into water. Return this product for examination and
repair.
Keep the cord away from heated surfaces.
Never block the air openings of the product or place it on a soft
surface, such as a bed or couch, where the air openings may be
blocked. Keep the air openings free of lint, hair, and the like.
Never use while sleeping or drowsy.
Never drop or insert any objects into any opening or hose.
Do not use outdoors or where aerosol spray products are being
used or where oxygen is administered.
Connect this product to a properly grounded outlet only. See
Grounding Instructions.
Kohler Co. 3 1194356-5-B

Important Information (cont.)
Install this product properly by following the installation
procedure. Only authorized persons can install or repair the unit.
Do not attempt to service this appliance yourself.
Always follow the grounding instructions in this manual before
plugging in the unit.
•This product conforms to applicable provisions of US 21 CFR,
Chapter 1, Subchapter J, Radiological Health.
SAVE THESE INSTRUCTIONS
Table of Contents
Important Information ................................... 2
Remote Control Compliance .............................. 4
Features ............................................ 6
Using the Manual Controls ............................... 7
Using the Remote Control ............................... 9
Removing the Seat ................................... 12
Care and Cleaning .................................... 13
Servicing the Batteries ................................. 14
Replacing the Deodorizer Cartridge ....................... 15
Cleaning the Wand ................................... 16
Cleaning the Filter Screen .............................. 17
Winterizing or Draining the Tank .......................... 18
Troubleshooting ...................................... 18
Warranty ........................................... 21
Remote Control Compliance
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including
interference that may cause undesired operation.
This device complies with Industry Canada licence-exempt RSS
standard(s). Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including
interference that may cause undesired operation.
1194356-5-B 4 Kohler Co.

Remote Control Compliance (cont.)
Modifications: any modifications made to this device that are not
approved by Kohler Co. may void the authority granted to the user by
the FCC and Industry Canada to operate this equipment.
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one of
the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for
help.
RF Exposure Warning
This portable transmitter with its antenna complies with FCC’s and
Industry Canada’s RF exposure limits for general
population/uncontrolled exposure.
This device must not be co-located or operated in conjunction with any
other antenna or transmitter.
The term ″IC:″before the certification/registration number only
signifies that the Industry Canada technical specifications were met.
This Class B digital apparatus complies with Canadian ICES-003.
Kohler Co. 5 1194356-5-B

Features
Remote Control - The remote control allows the user to operate
the bidet seat without coming into contact with it. The remote
control charges when it is attached to the docking station.
Bidet Wash - Front or rear wash, with pulsating or oscillating
action. The water temperature and water pressure are adjustable.
Dryer - Air dryer for use after the bidet. Air temperature can be
adjusted.
User Presets - Allows two users to set their preferences. When
the user preset is activated, all of the preferences saved with that
setting will activate.
Heated Seat - When activated, this features keeps the seat warm.
The temperature setting is adjustable.
Deodorizer - Removes or reduces odors from the air when
activated.
UV Lamp - Bathes the wand in UV light to disinfect the bidet
wand once each day.
Removable Seat - The seat removes easily for cleaning.
1194356-5-B 6 Kohler Co.

Using the Manual Controls
NOTE: On functions with multiple settings, press the icon to adjust
the setting one level higher. If the feature is set at the highest level,
pressing the icon will deactivate it or adjust it to a lower setting.
When the feature is set to the lowest level, the bottom indicator is
lit. At the second level, the bottom indicator is lit, the second
indicator blinks. At the third level the first and second indicators are
lit. At the fourth level the first and second indicators are lit and the
top indicator blinks. At the fifth level all three indicators are lit.
A. ″stop″-Press this icon to turn off the activated deodorizer
function, the air blower function or the cleaning function. The
deodorizer function is automatically engaged when the seat
sensor detects a user. When pressed, this icon will turn it off, and
then reactivate for the next user.
B. ″dryer″-Press this icon to activate the dryer function and
adjust the air temperature. This function has six settings. The
indicator lights will display the current level when activated. This
function will stop automatically after 4 minutes of continuous
drying.
F
G
H
B
A
C
D
E
front
pulsate
oscillate
water temp
seat temp stop
dryer
wand
rear
Kohler Co. 7 1194356-5-B

Using the Manual Controls (cont.)
C. ″wand″-Press this icon to adjust the position of the wand
forward or back. This function has five settings.
D. ″rear″-Press this icon to activate the rear wash function.
Pressing this icon while rear wash is in process adjusts the water
pressure.
E. ″front″-Press this icon to activate the front wash function.
Pressing this icon while front wash is in process adjusts the water
pressure.
F. ″pulsate oscillate″-Press the icon to change the flow type.
When no indicator light is illuminated, the wand will not pulsate
or oscillate. Press the icon once to activate pulsate, a second time
to activate oscillate. Press the icon a third time for both oscillate
and pulsate to work at the same time. Press the icon a fourth time
to stop the oscillating flow and return to standard flow.
G. ″water temp″-Press this icon to adjust the water temperature.
This function has six settings.
H. ″seat temp″-Press this icon to select and set the seat
temperature. When the icon is pressed the temperature changes.
This function has six settings.
1194356-5-B 8 Kohler Co.

Using the Remote Control
NOTE: On functions with multiple settings, press the icon to move
the setting one level higher. If the feature is set at the highest level,
pressing the icon will deactivate it or adjust it to a lower setting.
The remote control displays the setting level next to each feature.
[Power Button] - The power button is the silver button located on
top of the remote control. Push to turn the remote control on.
Push to turn off the screen when it is lit.
″preset 1″and ″preset 2″-Allows two users to save their
preferences. When a user presses the preset, the saved settings
will activate. See below for specific details on setting up and
using the presets.
″seat temp″-Press this icon to change the temperature of the
seat. There are six settings. The current setting level is displayed
on the remote control.
″stop″-Press this icon to stop the front wash or rear wash
functions. Press and hold for 3 seconds to turn the remote control
off.
Power Button
Front View
Top View
Kohler Co. 9 1194356-5-B

Using the Remote Control (cont.)
″front″-Press this icon to activate the front wash function.
Pressing this icon while front wash is in process adjusts the water
pressure.
″rear″-Press this icon to activate the rear wash function. Pressing
this icon while rear wash is in process adjusts the water pressure.
″dryer″-This icon activates the dryer and adjusts the air
temperature. Select once to activate the dryer. To adjust the air
temperature, press ″dryer″while the dryer is active. The
temperature will rise each time the icon is pressed. There are six
settings. The current setting level is displayed on the remote
control.
″deodorizer″-Press this icon to activate the deodorizer. Press
″stop″to deactivate the deodorizer.
NOTE: Pulsate and oscillate can be activated at the same time.
″oscillate″-Press this icon to move the wand in and out while
washing. Press the icon a second time to deactivate the motion.
″pulsate″-Press this icon and the wand will alternate the
pressure of the water flow while washing. Press the icon a second
time to stop the pulsating flow.
″wand″-Press the wand icon to adjust the position of the wand
forward. There are five settings.
″pressure″-Press the pressure icon to adjust the force of the
water from the wand. There are five settings. The current setting
level is displayed on the remote control.
″water temp″-Press this icon to change the temperature of the
water spray. There are six settings. The current setting level is
displayed on the remote control.
Setting the User Presets
NOTE: The presets allow two users to save their feature settings.
When ″preset 1″or ″preset 2″are selected, the saved preferences
will activate.
Adjust the features on the bidet to your preferences.
While sitting on the seat, press and hold the preset icon for 3
seconds to store the current settings to memory.
While either front wash, rear wash, or air speed is in use, press
and hold ″preset 1″or ″preset 2″for 3 seconds.
1194356-5-B 10 Kohler Co.

Using the Remote Control (cont.)
Using the User Presets
When ″preset 1″or ″preset 2″is selected when you are seated,
front wash, rear wash, or air speed will operate at your stored
settings.
If the preset icon is pressed while the seat is occupied, the seat
will gradually (approximately 2 minutes) change to the preset
temperature.
Synchronizing the Remote Control
NOTE: Synchronize the remote control to reestablish a lost
connection. When there is no connection, the remote control screen
flashes steadily.
NOTE: Charge the remote control on the docking station before
performing these steps.
Press and hold the silver button on the top of the remote control
for 3 seconds.
The remote control will start up, and flash regularly.
Press and hold the power button on the top of the remote control.
Select the ″dryer″icon until a short beep is heard.
Repeat if the remote control did not successfully synchronize with
the bidet seat.
Kohler Co. 11 1194356-5-B

Removing the Seat
Removing the Seat for Cleaning
IMPORTANT! When removing the bidet seat for cleaning, take care
to avoid exerting any force on the hose connections. Slide the bidet
seat forward without putting pressure on the hoses, clean the area
around the mounting bracket, and reinstall the bidet seat.
Press the release button.
Carefully slide the bidet seat forward enough to allow space to
clean the area under the back of the seat.
Slide the bidet seat back into place until the mounting plate and
seat engage.
Removing the Seat for Servicing
Turn off the water supply at the supply stop.
Flush the toilet to relieve any pressure from the water supply
hose.
NOTE: The seat will contain water until drained. Refer to the
″Winterize or Drain the Tank″section.
Unplug the bidet seat power cord.
Disconnect the water supply hose from the T-valve.
Push in the release button.
Slide the bidet seat forward to disengage the seat from the
mounting plate.
Release Button
Mounting Plate
1194356-5-B 12 Kohler Co.

Removing the Seat (cont.)
Reinstall the bidet seat and reconnect all the components when
servicing is complete.
Care and Cleaning
For best results, keep the following in mind when caring for your
KOHLER product:
IMPORTANT! Do not immerse product in water.
•Always test your cleaning solution on an inconspicuous area
before applying to the entire surface.
•Use a soft, dampened sponge or cloth to wipe surfaces clean.
Remove the cleaner quickly after applying. Rinse and dry any
overspray that lands on nearby surfaces.
•Do not allow cleaners to soak on surfaces.
•Never use an abrasive material such as a brush or scouring pad
to clean surfaces.
For detailed cleaning information and products to consider, visit
www.kohler.com/clean. To order Care & Cleaning information, call
1-800-456-4537.
Kohler Co. 13 1194356-5-B

Servicing the Batteries
Remove the remote control from the docking station.
Remove the docking station from the wall by carefully lifting up
and out.
Push both tabs on the battery compartment outward at the same
time.
Open the door to the battery compartment.
Remove the batteries.
Install the replacement batteries oriented as shown on the
diagram in the battery compartment.
Close the door to the battery compartment.
Reinstall the docking station on the wall.
Back of Docking Station
1194356-5-B 14 Kohler Co.

Replacing the Deodorizer Cartridge
NOTE: The deodorizer should be replaced every two years or when
its performance is decreasing.
Carefully pry the deodorizer housing away from the bidet seat.
Remove the deodorizer block from the housing.
Install the replacement deodorizer block.
Reinstall the deodorizer housing in the bidet seat.
Housing
Deodorization Block
Kohler Co. 15 1194356-5-B

Cleaning the Wand
NOTE: The spray wands can only be extended for cleaning when
the seat is not activated or occupied.
Raise the cover and seat.
Press the ″wand″icon on the panel to extend the spray wand
forward for cleaning.
Clean the spray wand with a soft-bristled brush and hot water.
Press the ″wand″icon on the panel again to retract the spray
wand.
1194356-5-B 16 Kohler Co.

Cleaning the Filter Screen
NOTE: The filter screen should be cleaned once every six months or
any time there is a drop in water pressure to the bidet wand.
Remove the seat.
Turn off the water supply at the supply stop.
Disconnect the water supply hose from the seat.
Using a long-nosed pliers, carefully remove the filter screen from
the seat inlet.
Clean the filter screen with a soft-bristled brush.
Reinstall the filter screen.
Reinstall the seat.
IMPORTANT! Risk of product damage. Do not cross-thread the
connection.
Reconnect the water supply hose to the seat.
Turn on the water supply.
Check all connections for leaks and make any adjustments as
needed.
Filter Screen
Long-Nosed Pliers
Kohler Co. 17 1194356-5-B

Winterizing or Draining the Tank
Turn off the water supply and unplug the unit.
Flush the toilet to relieve any pressure from the water supply
hose.
Press the drain button until all the water is drained from the seat.
Troubleshooting
This troubleshooting guide is for general aid only. A Kohler Authorized
Service Representative or qualified electrician should correct any
electrical problems.
For warranty service, contact the Customer Care Center using the
numbers located on the back page of this manual.
Cleansing Functions
Symptoms Probable Causes Recommended Action
1. There is no
water flow. A. The seat sensor is not detecting the
user.
A1. Small children may
be too light to be
detected by the
sensors.
A2. Shift your position
on the seat. The
sensors are located
on the front of the
seat.
Drain Button
1194356-5-B 18 Kohler Co.

Troubleshooting (cont.)
Cleansing Functions
Symptoms Probable Causes Recommended Action
B. The water is not
turned on. B. Open the water supply stop all the
way.
2. The water
pressure is low. A. The filter screen is clogged. A. Clean or replace the filter screen. See the
″Clean the Filter
Screen″section for
instructions.
B. The water supply
stop is partially
closed.
B. Open the water
supply stop all the
way.
3. Water stops
flowing from
the spray wand
before I am
finished
cleansing.
A. One minute after
pressing one of the
spray icons,
washing
automatically
stops.
A. Press the ″rear″or
″front″icon again.
B. The user shifted
position and is no
longer detected by
the seat sensor.
B. Shift your position
on the seat. The
sensors are located
on the front of the
seat.
4. Dripping
sounds are
heard before
and after using
the cleansing
functions.
A. The unit is running
through the pre- or
post- use cleansing
cycle.
A. No action needed.
Deodorizer Function
Symptoms Probable Causes Recommended Action
1. The
″deodorizer″
feature doesn’t
work.
A. The deodorizer is
not activated. A. Press the ″deodorizer″icon.
B. The seat sensor is
not detecting the
user.
B. Shift your position
on the seat. The
sensors are located
on the front of the
seat.
Kohler Co. 19 1194356-5-B

Troubleshooting (cont.)
Deodorizer Function
Symptoms Probable Causes Recommended Action
2. Odor is not
removed. A. The carbon filter is no longer
effectively
removing the odor.
Life expectancy is
two years.
A. Replace the carbon
filter. Visit
kohler.com/
serviceparts to order
the carbon filter.
B. The fan is not
running when the
seat is occupied.
B1. Confirm there is
power to the seat.
B2. Call the Customer
Care Center using
the information
provided on the back
page of this manual.
Dryer Functions
Symptoms Probable Causes Recommended Action
1. The dryer
stops during
use.
A. Ten minutes after
pressing the
″dryer″icon, the
blower
automatically
stops.
A. Press the ″dryer″
button again.
Seat Sensor
Symptoms Probable Causes Recommended Action
1. The ″front″,
″rear″,
″deodorizer″,
or ″dryer″
features work
when you
press the icon
while the seat
is not
occupied.
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.
2. Even though
the seat is
occupied, the
spray function
does not work.
A. The seat sensor
may not be able to
detect you
depending on the
way you are
sitting.
A. Shift your position
on the seat. The
sensors are located
on the front of the
seat.
1194356-5-B 20 Kohler Co.