Kohler K-7421 Assembly instructions

Homeowners Guide
Standard 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-7421
1197250-5-C

Thank You For Choosing Kohler Company
Thank you for choosing Kohler Co. Your Kohler Co. product reflects
the true passion for design, craftsmanship, artistry, and innovation
Kohler Co. stands for. We are confident its dependability and beauty
will surpass your highest expectations, satisfying you for years to
come.
All information in this guide is based upon the latest product
information available at the time of publication. At Kohler Co. we
strive to fulfill our mission of improving the level of gracious living for
each person who is touched by our products and services. We reserve
the right to make changes in product characteristics, packaging, or
availability at any time without notice.
Please take a few minutes to review this guide. Pay special attention to
the care and cleaning instructions.
1197250-5-C 2 Kohler Co.

Table of Contents
Thank You For Choosing Kohler Company ................... 2
Compliance .......................................... 3
Remote Control Features ................................ 6
Changing Settings ..................................... 8
Radio Station ....................................... 8
Music Source ....................................... 9
Automatic Seat Open and Close ......................... 9
Automatic Flush .................................... 10
Heated Feet ....................................... 10
Heated Seat ....................................... 11
Deodorizer ........................................ 11
Bowl Light ........................................ 12
Ambient Light ...................................... 12
Enable or Disable Lights ............................. 13
Key Sounds ....................................... 13
Bass, Treble and Balance Adjustment .................... 14
Internal or External Speakers .......................... 14
Language ........................................ 15
Automatic Bidet Wand Cleaning ........................ 16
Power Save ....................................... 16
Default Start ...................................... 17
Time ............................................ 17
Syncing the Remote Control with the Toilet ................ 18
Reconnecting the Remote Control ...................... 18
Resetting the Remote Control .......................... 19
Removing or Securing the Remote Control .................. 20
Servicing the Batteries ................................. 22
Care and Cleaning .................................... 22
Troubleshooting ...................................... 23
Warranty ........................................... 25
Compliance
NOM IFT: Certification Number RCPKO7414-0864-A1 and
RCPKO7414-0735-A1
FCC ID: N82-KOHLER009 – Compliance Statement (Part 15.19)
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.
Kohler Co. 3 1197250-5-C

Compliance (cont.)
Warning (Part 15.21)
Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate
the equipment.
FCC Interference Statement (Part 15.105 (b))
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 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.
CANADA IC: 4554A-KOHLER009
Industry Canada Statement per Section 4.0 of RSP-100
The term ″IC:″before the certification/registration number only
signifies that the Industry Canada technical specifications were met.
Section 7.1.5 of RSS-GEN
Operation is subject to the following two conditions:
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Compliance (cont.)
1. This device may not cause interference, and
2. This device must accept any interference, including interference that
may cause undesired operation of the device.
Section 2.6 of RSS-102
This portable transmitter with its antenna complies with Industry
Canada RF Exposure Limits for General Population/Uncontrolled
Exposure.
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 to operate this equipment.
This Class B digital apparatus complies with Canadian ICES-003.
Kohler Co. 5 1197250-5-C

Remote Control Features
IMPORTANT! For complete description of each feature and its
functionality, go to the Homeowners Guide for the K-3901 toilet.
A. flush-eco - Press to activate a 0.6 gallon (2.27 L) flush.
B. flush-full - Press to activate a 1.28 gallon (4.5 L) flush.
C. close - Press to close the cover and seat when both are open, or
close only the cover when the seat is already down.
D. cover - Press to open the cover only.
E. seat - Press to open the cover and seat when both are closed, or
open the seat when the cover is already open.
F. stop - Select to stop all processes controlled on the front panel.
G. rear - Select to activate the rear bidet feature and display the rear
bidet screen where bidet water pressure, position, temperature, and
wand action can be adjusted and activated.
H. front - Select to activate the front bidet feature and display the front
bidet screen where bidet water pressure, position, temperature, and
wand action can be adjusted and activated.
A
B
CD
F
E
G
H
G
I
J
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Remote Control Features (cont.)
I. dryer - Select to activate the dryer feature and display the bidet
dryer screen where air pressure and air temperature can be adjusted
and activated.
J. music - Select to activate the music feature and display the screen to
adjust the volume.
Kohler Co. 7 1197250-5-C

Changing Settings
NOTE: In installations when the remote control is secured to the
docking station, it cannot be removed without a screwdriver. This
makes the back menu inaccessible to the user. Go to the ″Removing
or Securing the Remote Control″section for directions to remove the
remote control.
Remove the remote control from the docking station.
Follow the directions for the features you wish to change.
Radio Station
NOTE: To change radio stations, use the up or down arrows on the
back of the remote control. The radio will stop at the next station
with a strong signal. This remote control will not allow you to save
radio stations as presets.
On the back of the remote control, press the menu button.
Scroll down to [Radio].
Press the [ok] button.
Scroll Up
Back
Scroll Down
OK
Menu
Cleaning
Settings
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Changing Settings (cont.)
Scroll up or down to the desired radio station. Each time the
arrow is selected the next radio station with an acceptable signal
will be found.
Press the [ok] button when a desired radio station has been
found.
Music Source
NOTE: When the remote control is attached to the docking station,
the radio station cannot be changed. If power to the toilet is turned
off, the remote control will revert to its factory setting and will need
to be removed from the wall and reprogrammed.
NOTE: The music source feature determines what the music source
will be when the user activates music. Options include [radio],
[numi],[SD] card, or [aux].
NOTE: When [numi] is selected, preloaded music plays. When
[aux] is selected, an MP3 player can be connected to the port on the
back of the toilet. When [SD] is selected and an SD card is installed
in the toilet, music will play from the SD card.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Music Source].
Press the [ok] button.
Select [radio],[numi],[aux] or [SD] as the music source.
Automatic Seat Open and Close
NOTE: When this feature is enabled, the cover will open
automatically when a user approaches the toilet. Sensitivity can be
adjusted to the size of the bathroom.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
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Changing Settings (cont.)
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Auto Open & Close].
Press the [ok] button.
To enable the auto open and close feature and set it for a small
room, scroll to [Near].
To enable the auto open and close feature and set it for a medium
large room, scroll to [Medium].
To enable the auto open and close feature and set it for a large
room, scroll to [Far].
To turn off the auto open and close feature, scroll to [Off].
Press the [ok] button.
Automatic Flush
NOTE: When this feature is enabled, the toilet will automatically
flush after it is used.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Auto Flush].
Press the [ok] button.
To turn on the auto flush option, scroll to [enable].
To turn off the auto flush option, scroll to [disable].
Press the [ok] button.
Heated Feet
NOTE: When this feature is enabled, warm air blows onto the
user’s feet while sitting on the toilet.
On the back of the remote control, press the menu button.
Scroll down to [Heated Feet].
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Changing Settings (cont.)
Press the [ok] button.
To turn on the heated feet option, select the desired heated feet
temperature setting, [Feet Temperature 1, 2, 3, 4, or 5].
To turn off the heated feet option, select [Heated Feet Off].
Press the [ok] button.
Heated Seat
NOTE: When this feature is enabled, the seat will be kept warm.
On the back of the remote control, press the menu button.
Scroll down to [Heated Seat].
Press the [ok] button.
To turn on the heated seat option, select the desired heated seat
temperature setting, [Seat Temperature 1, 2, 3, 4, or 5].
To turn off the heated seat option, select [Heated Seat Off].
Press the [ok] button.
Deodorizer
NOTE: When this feature is enabled and a user is seated, a fan
pulls air from the bowl area and pushes it through a deodorizer
cartridge and out the back of the toilet to decrease or eliminate
odors.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Deodorize].
Press the [ok] button.
To turn on the deodorizer option, scroll to [enable].
To turn off the deodorizer option, scroll to [disable].
Press the [ok] button.
Kohler Co. 11 1197250-5-C

Changing Settings (cont.)
Bowl Light
NOTE: The bowl light illuminates the inside of the bowl at night or
in low-light conditions. When enabled, the bowl will automatically
turn on in low-light conditions. The light automatically turns off in
normal light conditions.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Lighting].
Press the [ok] button.
Scroll down to [bowl light].
To enable the bowl light option, scroll to [bowl light].
Press the [ok] button.
Scroll to the desired level, [level 1-9].
To disable the bowl light option, scroll to [light off].
Press the [ok] button.
Ambient Light
NOTE: When this feature is enabled, the side panel lights will
illuminate in low light conditions.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Lighting].
Press the [ok] button.
Scroll down to [ambient light].
Press the [ok] button.
1197250-5-C 12 Kohler Co.

Changing Settings (cont.)
Scroll to the desired level, [level 1-9].
To disable the ambient light option, scroll to [light off].
Press the [ok] button.
Enable or Disable Lights
NOTE: When enabled, the bowl light illuminates the bowl when
low light is sensed.
NOTE: When enabled, the welcome light turns on when a user is
sensed.
NOTE: When enabled, the night light senses the light level in the
bathroom. When the light level is low, the light turns on.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Lighting mode].
Press the [ok] button.
Select the desired option, [bowl light], [welcome], or [night
light].
NOTE: When these features are enabled, a check mark will appear
to the right of them. An [X] will appear to the right of the feature if
it is disabled.
Press the [ok] button.
Key Sounds
NOTE: When this feature is enabled, preset sounds will indicate
certain functions, such as auto open, have been activated.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Kohler Co. 13 1197250-5-C

Changing Settings (cont.)
Press the [ok] button.
Scroll down to [Key sounds].
Press the [ok] button.
To turn on the key sounds feature, select [enable].
To turn off the key sounds feature, select [disable].
NOTE: A check mark will appear next to [enable] or [disable] to
indicate the status of the feature.
Press the [ok] button.
Bass, Treble and Balance Adjustment
NOTE: These settings adjust the music to your listening
preferences.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Sound attributes].
Press the [ok] button.
Select [bass], [treble] or [balance].
Press the [ok] button.
Select [level 0-10].
Press the [ok] button.
Internal or External Speakers
NOTE: External speakers can be attached to the toilet.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
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Changing Settings (cont.)
Scroll down to [Speaker location].
Press the [ok] button.
Select [toilet] to play music through the speakers included with
the toilet.
Select [external] to play music through external speakers after
they are connected.
Press the [ok] button.
Language
NOTE: Users may change the language as desired. If you are
unable to understand the language on the display, follow the ″Blind
Language Setup″instructions.
Standard Language Setup
On the back of the remote control, press the [menu] button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [yes].
Press the [ok] button.
Scroll down to [Languages].
Press the [ok] button.
Scroll down to your desired language.
Press the [ok] button.
Blind Language Setup
IMPORTANT! If you cannot understand the language displayed on
the screen, change the language following these instructions. Call
the customer service number on the back of this document if further
assistance is needed.
Open the back and remove the batteries. Wait 5 seconds.
Reinstall the batteries and close the cover.
The menu will now appear in English. If you desire a language
other than English and do not understand the words on the
screen, continue with the following steps:
On the back of the remote control, press the [menu] button.
Kohler Co. 15 1197250-5-C

Changing Settings (cont.)
Push the scroll-up button once.
Press the [ok] button.
Push the scroll down button once.
Press the [ok] button.
Push the scroll-up button twice.
Press the [ok] button.
Scroll to your desired language.
Press the [ok] button.
Automatic Bidet Wand Cleaning
NOTE: When enabled the bidet wand cleaning cycle will
automatically run at the specified time each day.
On the back of the remote control, press the menu button.
Scroll down to [Cleaning].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [UV Wand clean].
Press the [ok] button.
To enable the automatic bidet wand cleaning option, select [Run
at 00:00] to run the cleaning cycle daily at midnight, [Run at
12:00] to run the cleaning cycle at noon.
Power Save
NOTE: When this feature is enabled, the toilet will enter power
save mode after the selected amount of time has passed. Power save
mode deactivates the heated seat and light options until the toilet is
used.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
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Changing Settings (cont.)
Press the [ok] button.
Scroll down to [Power Save].
Press the [ok] button.
To enable the power save option, scroll to [4, 8, 12 hours].
To disable the power save option, scroll to [never].
Press the [ok] button.
Default Start
NOTE: This feature determines the start point for the bidet settings
at each use. The settings will revert to mid point or retain the
settings of the last user.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Default Start].
Press the [ok] button.
Select [mid point] to revert to the mid point settings for each
feature after each use.
Select [last user] to restart with the settings of the last user.
Press the [ok] button.
Time
NOTE: The time is not displayed on the remote control. The time
setting is required for automatic cleaning and other features.
On the back of the remote control, press the [menu] button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [yes].
Press the [ok] button.
Scroll down to [Set time].
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Changing Settings (cont.)
Press the [ok] button.
Select [12 hour] or [24 hour].
Press the [ok] button.
Select [AM] or [PM].
Press the [ok] button.
Change the hour using the up and down arrows.
Press the [ok] button.
Change the minutes using the up and down arrows.
Press the [ok] button.
Syncing the Remote Control with the Toilet
NOTE: These steps will reconnect the remote control if the signal
fails.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Learn remote].
Press the [ok] button.
Select [Yes].
Within 5 seconds, on the toilet, using the manual controls, press
and hold the [power] and [flush] buttons until the LED on the
back of the toilet blinks, then press the flush button on the toilet.
Reconnecting the Remote Control
NOTE: Perform these steps when the remote control and toilet
connection is lost.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
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Changing Settings (cont.)
Press the [ok] button.
Scroll down to [Reconnect].
Press the [ok] button.
Select [Yes].
Press the [ok] button.
Resetting the Remote Control
NOTE: This feature resets all features to their factory settings.
On the back of the remote control, press the menu button.
Scroll down to [Settings].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Scroll down to [Reset Data].
Press the [ok] button.
Scroll down to [Yes].
Press the [ok] button.
Kohler Co. 19 1197250-5-C

Removing or Securing the Remote Control
NOTE: When the remote control is secured to the docking station, it
cannot be removed without a screwdriver. This makes the back
menu inaccessible to users.
Removing the Remote Control
NOTE: Take care not to lose the screws as they are removed. A
magnetic screwdriver is recommended.
NOTE: Close the seat cover before removing the screws to avoid
losing them in the bowl.
From underneath the remote control docking station, remove the
two screws.
Remove the remote control from the docking station.
Securing the Remote Control
Position the remote control on the docking station.
Gently push inward on the remote control and insert one of the
screws into the locking tab.
Phillips Screwdriver
Docking Station
Screw
Locking Tab
Locking
Tab
1197250-5-C 20 Kohler Co.
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