Kohler K-2593-VBW-0 User manual

Installation Guide
Freestanding Vibracoustic Bath
with Heated Surface
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1237790-2-D

IMPORTANT INSTRUCTIONS
WARNING: When using electrical products, basic precautions should always be followed,
including the following:
WARNING: Risk of electric shock. Connect only to a circuit protected by a Ground-Fault
Circuit-Interrupter (GFCI)*.
WARNING: Risk of electric shock. A qualified electrician should route all electrical wiring.
WARNING: Risk of electric shock. Disconnect power before servicing.
WARNING: Risk of electric shock. Do not operate electrical-powered auxiliary devices near water.
WARNING: Risk of property damage. Building materials and wiring should be routed away from
the heat-producing components of the bath.
WARNING: Risk of injury or property damage. Please read all instructions thoroughly before
beginning installation.
NOTICE: Follow all plumbing, electrical, and building codes. In Canada, install this unit in accordance
with the Canadian Electrical Code, Part 1.
NOTICE: Grounding is required. The unit should be installed and grounded by a qualified service
representative.
NOTICE: If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or
similarly qualified agent in order to avoid a hazard.
*Outside North America, this device may be known as a Residual Current Device (RCD).
Product Information
Electrical Requirements
WARNING: Risk of burns, fire, electric shock, or injury. Do not operate the heater if the power
supply cord is damaged. For proper guidance to have this product repaired, please call:
1-800-4KOHLER from within the USA or Canada, or 001-800-456-4537 from within Mexico.
This installation must have a Class A Ground-Fault Circuit-Interrupter (GFCI)*. The GFCI protects against
line-to-ground shock hazard. Use a 120 V, 15 A, 60 Hz dedicated service for the bath.
Two 120 V, 15 A (240 V, 15 A in Latin America) GFCI electrical outlets are required. One outlet should be
located within the stud framing and within 24″(610 mm) of the control amplifier. The other outlet must be
within 24″(610 mm) of the junction box mounted to the control board at the lumbar end of the bath. Both
outlets may share the same electrical service, but no other load should be on this circuit.
*Outside North America, this device may be known as a Residual Current Device (RCD).
1237790-2-D 2 Kohler Co.

Tools and Materials
Before You Begin
NOTICE: Adequate floor support must be provided. Note the model number on the back of the bath,
then visit the product page at kohler.com for additional information.
NOTICE: Before installing a rim-mount bath faucet, refer to the specification sheet on the bath product
page at kohler.com.
NOTICE: Provide adequate backer board support for a rim-mount faucet; large faucets that may be
inadvertently used as a means of support are not safe for this installation.
NOTICE: Some of the included bath components will be powered by the control amplifier via 25’ (7.6 m)
cables. Plan the location of the control amplifier so the cables will reach without tension.
IMPORTANT! To ensure a successful installation, install the bath on a level, finished floor.
Observe all local plumbing and building codes.
Unpack and inspect the bath and components for damage. Return the bath and components to the
carton until installation.
To simplify future maintenance, make sure all plumbing connections, the control amplifier, and
control board connections around the bath are easily accessible.
Use conduit to route electrical wires from the circuit breaker.
Choose the location for a battery operated auxiliary audio device, if used. Do not locate AC
powered devices within reach of the bath.
Carefully plan moving the bath into the installation area. This bath will not easily fit through
doorways.
Two people are needed to install this product.
This bath is designed for freestanding installation only.
If installing a rim-mount faucet, make sure there is no interference above or below the rim before
drilling any holes.
Illustrations shown may not look like your actual product but they still apply to this installation.
This bath conforms to CSA B45.5/IAPMO Z124. All dimensions are nominal.
Plus:
• Drop Cloth
• Shims
• 2x4s
• Wood Blocks
• 1/2" (13 mm) Exterior
Grade Plywood
(for Rim-mount Faucet)
Construction
Adhesive 100% Silicone Sealant
Kohler Co. 3 1237790-2-D

Plan the Installation
For best results, follow the installation sequence below. Detailed instructions are found on the following
pages of this guide.
Recommended Installation Sequence
Determine the locations for the bath components. Refer to the illustration for preferred locations.
Plan the required access panel location for servicing the control amplifier.
Route plumbing supply lines.
Prepare the bath rim, if using a rim-mount faucet.
Mark and install the drain pipe.
Install the bath shroud.
Bind all cables in preparation for the bath installation.
Install an electrical outlet within 24″(610 mm) of the control amplifier location.
Install an electrical outlet within 24″(610 mm) of the junction box on the control board.
Install the bath and drain. Route the bound cables through the bottom of the shroud.
Route the transducer wires to the control amplifier location.
If equipped, route the chromatherapy cable to the control amplifier location.
Route the user interface cable to the user interface location.
Route the inter-connect cable to the control amplifier.
Connect the transducer wires, inter-connect cable, optional auxiliary cable, and chromatherapy cable
(if equipped) to the control amplifier.
Install the control amplifier.
Install the access panel for the control amplifier.
Connect the user interface cable to the user interface, and install the interface.
Connect the control amplifier and junction box cables to the electrical outlets.
Chromatherapy
Cable (If Equipped)
Optional Auxiliary-In
Cable
Transducer Wires
Inter-Connect
Cable
Heated Surface
Control Control
Transducer
User Interface
1237790-2-D 4 Kohler Co.

Plan the Installation (cont.)
Test the functionality of all bath components. Refer to the ″Homeowners Guide″for operation.
Kohler Co. 5 1237790-2-D

1. Prepare the Rim-Mount Faucet (Optional)
NOTICE: Before installing a rim-mount bath faucet, refer to the specification sheet on the bath product
page at kohler.com for faucet location dimensions for your model.
NOTICE: To accommodate the bath shroud, use flexible connections to attach the water supplies to a
rim-mount faucet.
NOTICE: For rim-mount faucet installations, route the water supply lines high enough to permit access
for making the final connections from above the shroud.
Refer to the specification sheet on the bath product page at kohler.com to determine the
recommended faucet location and drain model for your bath.
Measure and cut a piece of 1/2″(13 mm) exterior grade plywood to support the faucet. The board
should be 4″(102 mm) wide. The length should extend beyond the width of the faucet holes to
ensure proper support.
Locate the faucet in the desired location on the bath rim. Make sure the faucet trim fits on the bath
rim without overhanging. Make sure there is no interference above or below the rim before drilling
any holes.
Refer to the installation instructions packed with the faucet to determine faucet hole size.
Use a pencil to mark the faucet hole centerlines. Do not drill the holes at this time.
CAUTION: Risk of product damage. To avoid scratching the bath, position a thin piece of cardboard
under any clamps before tightening.
Position the plywood on the underside of the rim, then clamp in place. Make sure the clamps do
not directly contact the finished surface of the bath.
Carefully drill the faucet holes.
Install the valve according to the installation instructions included with the valve. Do not install the
faucet trim until instructed.
Bath Rim
Recommended Faucet
Location (See Specification
Sheet for Dimensions)
4" (102 mm)
Minimum
1/2" (13mm)
Plywood
1237790-2-D 6 Kohler Co.

2. Prepare the Site
NOTICE: Measure your product for site preparation. Note the model number on the back side of the
bath, then visit the product page at kohler.com for additional information.
NOTICE: Do not attempt to remove the hardened casting material covering the wooden support blocks.
The casting material is required to properly position and install the bath.
IMPORTANT! To ensure a successful installation, install the bath on a level finished floor.
IMPORTANT! Make sure the subfloor offers adequate support for the bath.
Remove and discard the thin plastic film covering the support blocks.
Temporarily position the shroud in the installation location.
Verify that the shroud is level. If needed, position shims under the shroud.
Using a pencil, trace the shroud hole on the floor.
Remove the shroud and set aside.
Secure any shims to the floor.
NOTE: The drain pipe may need to be trimmed, depending on the drain installed.
Position and install a standard PVC or brass bath drain pipe. Install the drain pipe so it extends
2-1/8″(54 mm) above the finished floor.
Drain Pipe
Shroud
Trace the
hole.
2-1/8"
(54 mm)
Support Block
Kohler Co. 7 1237790-2-D

3. Prepare the Bath
NOTICE: Refer to the drain instructions to dry fit the drain to the bath. Do not cement and complete the
drain installation until instructed.
Dry fit the drain assembly to the bath. Refer to the drain instructions. Do not apply sealant or
cement to the drain components at this time.
Temporarily position a 2x4 in the installation area to support the bottom of the bath opposite the
drain.
With help, position the bath (without the shroud) and drain assembly over the drain pipe. Trim the
drain pipe as needed
Loosen the drain and overflow connections from the bath.
Remove the bath, leaving the drain and overflow assembly attached to the drain pipe.
Remove the temporary 2x4 support from the installation area.
Cement and assemble the drain and overflow components. Connect the drain to the drain pipe.
Apply slow-drying construction adhesive to the bottom of the shroud.
Carefully position the shroud over the drain, aligning the hole with the traced mark on the floor.
Apply construction
adhesive before
final positioning.
Attach to the
drain pipe.
Dry fit the
drain assembly.
Temporary
2x4 Support
1237790-2-D 8 Kohler Co.

4. Install the Electrical Outlet – United States and Canada
WARNING: Risk of electric shock. Disconnect the power before performing the following
procedures.
NOTE: For installations in Latin America, go to the ″Make Electrical Connections – Latin America″
section.
NOTICE: The control amplifier and junction box are each equipped with a cord and plug. A qualified
electrician must install two GFCI- or RCD-protected, 120 V, 15 A grounded outlets. Both outlets may share
the same electrical service, but no other load should be on this circuit.
Install a 120 V, 15 A grounded outlet within the wall framing and within 24″(610 mm) of the
planned control amplifier location. Route the wires through conduit for this outlet installation.
Install a 120 V, 15 A grounded outlet near the control board end of the bath and within 24″(610
mm) of the junction box.
Control
Amplifier
24" (610 mm)
Maximum
Conduit
Junction
Box
24" (610 mm)
Maximum
120 V, 15 A
Grounded Outlet
120 V, 15 A
Grounded Outlet
Conduit
Control
Board
Kohler Co. 9 1237790-2-D

5. Make Electrical Connections – Latin America
NOTE: The electrical rating of the product is printed on a label on the lumbar end of the bath. All
vibracoustic baths are designed to operate between 110 V and 240 V at either 50 Hz or 60 Hz.
WARNING: Risk of electric shock. Disconnect the power before performing the following
procedures.
WARNING: Risk of electric shock. Connect the bath to a properly grounded Ground-Fault
Circuit-Interrupter (GFCI) or Residual Current Device (RCD) for protection against line-to-ground
shock hazard.
IMPORTANT! The white wire should be connected to the load neutral terminal on the GFCI or RCD
breaker. The green wire is the equipment ground and must be connected to the neutral bus in the main
circuit breaker box.
Follow local electrical codes. Bond in accordance with national and local codes.
Remove the 120 V plug from the end of the electrical cord.
Remove the 120 V plug from the electrical cord on the junction box mounted to the control board.
Connect service to the amplifier with a 240 V plug (not included) or hardwire connection.
Connect service to the junction box with a 240 V plug (not included) or hardwire connection.
Control Power
Junction Box
Black (L1)
Wire Connector
Green (Ground)
From Control
White (Neutral)
Wire Connectors
Electrician to provide
suitable strain relief.
* Connections to be Made
at the Circuit Breaker
Typical 240 V Wiring Connection
Field Wiring
(From Junction Box
to GFCI Breaker)
* Equipment Ground
* Line Neutral
(White
Curly Wire)
Neutral Bus
(In Breaker Box)
240 V
240 V
Typical Single-Pole
Circuit Breaker
with GFCI
Breaker Box
L1
N
120/240 VAC Source
Bond in accordance with national and
local codes. Open bonding lugs are
located at the top of the junction box.
Load Neutral
1237790-2-D 10 Kohler Co.

6. Prepare the Cables
IMPORTANT! The cables that will connect the control amplifier to the bath transducers, chromatherapy
control (if equipped), and the user interface are each 25’ (7.6 m) in length. Plan the location of the control
amplifier so these cables, when routed and connected, will easily reach without placing tension on the
cables.
NOTE: The heated surface control is mounted to the board at the end of the bath.
Connect the larger Ethernet end of the user interface cable to one of the two ports on the heated
surface control.
Connect the inter-connect cable (both ends are Ethernet) for the amplifier to the open port on the
heated surface control.
Carefully cut the cable tie securing the coiled transducer wires to the back of the bath.
Bind all electrical cables together to allow for easier routing through the shroud.
Inter-Connect
Cable
User Interface Cable
Heated
Surface
Control
User Interface
Transducer Wires
Control Board
Inter-Connect
Cable
Heated Surface
Control
Chromatherapy
Cable (If Equipped)
Optional Auxiliary-In
Cable
Drip
Loop
Kohler Co. 11 1237790-2-D

7. Install the Bath
Apply sealant to both sides of the gaskets on the drain and overflow assembly.
NOTE: To provide access for securing the faucet connections, temporarily position block spacers at the
corners between the shroud and the bath rim. Position the blocks to avoid damaging the alignment guides
located under the bath rim.
With help, carefully lift the bath into place over the shroud and onto the temporary blocks.
Secure all drain connections and fittings according to the drain instructions.
For a rim-mount faucet, install the faucet and trim according to the faucet and trim instructions.
Make sure there is adequate support under the bath rim to support the faucet. Refer to the ″Prepare
the Rim-Mount Faucet (Optional)″section.
Route the bound cables through the hole in the bottom of the shroud.
Carefully remove the blocks and make sure that the cables do not get pinched under the bath rim.
Ensure that the bath rim engages the top of the shroud on all sides.
Install the drain flange and overflow cover according to the drain instructions.
Close the bath drain. Fill the bath to the overflow, and check for leaks.
If desired, apply a thin, continuous bead of clear or color-matched 100% silicone sealant to the seam
between the bath and the finished floor.
Temporary
Blocks
Alignment
Guides
1237790-2-D 12 Kohler Co.

8. Connect the Cables
Route the bound transducer wires to the control amplifier location. Drill 1″(52 mm) holes where
needed.
If equipped, route the chromatherapy cable to the planned amplifier location. Follow the same route
as the transducer wires.
Route the inter-connect cable to the control amplifier location. Include a drip loop.
Route the user interface cable to the planned user interface location. Include a drip loop.
NOTE: An auxiliary cable connection can be used to pair a BLUETOOTH
®
device or other
battery-operated audio device so users can play their own music with the vibracoustic bath.
If used, route an auxiliary-in cable (not included) to the control amplifier location.
Chromatherapy
Cable (If Equipped)
Optional Auxiliary-In
Cable
Transducer Wires
Inter-Connect
Cable
Heated Surface
Control Control
Transducer
User Interface
Kohler Co. 13 1237790-2-D

9. Install the Control Amplifier
WARNING: Risk of electric shock. Connect the control amplifier to a properly grounded,
grounding-type receptacle protected by a Ground-Fault Circuit-Interrupter (GFCI) or Residual
Current Device (RCD). Do not remove the grounding pin from the plug or use a grounding adapter.
IMPORTANT! Keep insulating materials away from the control amplifier. Provide an unobstructed air
space around the control amplifier to permit cooling.
NOTE: Do not remove the mounting brackets from the control amplifier.
Position the control amplifier flush or recessed from the front of the studs.
Using the wood screws provided, secure the control amplifier to the framing. Use the anchors
provided if securing to a wall material other than wood.
NOTE: To make wiring connections more accessible, temporarily secure the control amplifier with one
screw on each side to allow the control amplifier to tilt forward. Once wiring connections are made, secure
the control amplifier with the remaining screws.
Remove the cover from the control amplifier by removing the four screws. Retain for reinstallation.
NOTE: The transducer terminals and wires are numbered to identify the correct connections. When
required, the control amplifier can be removed to aid in the wire connection process.
Securely attach the transducer wires to the transducer terminals on the control amplifier. The white
with black wires are the positive (+) leads.
If equipped, connect the chromatherapy connector to the chromatherapy terminal on the control
amplifier.
Connect the inter-connect cable from the control box to the amplifier.
If used, connect the auxiliary-in RCA connectors to the auxiliary-in connections on the control
amplifier.
Reinstall the cover to the control amplifier with the four screws.
Plug the control amplifier into the electrical outlet.
Plug the junction box cord into the electrical outlet.
Auxiliary In
Chromatherapy
(Some Models) Inter-Connect
Cable
Screws
Alternate Holes
Transducer Wiring
Screws
Cover
Grounded Outlet
Experience
Data Module
Control
Amplifier
1237790-2-D 14 Kohler Co.

10. Install the User Interface
IMPORTANT! Do not allow the cable routed through the wall hole to fall into the wall.
Push a thin nail into the groove in the back side of the user interface to separate the interface from
the mounting plate.
Position the mounting plate over the cable and against the finished wall so the hooks are to the left.
Level the mounting plate and mark the screw hole locations on the wall.
Remove the mounting plate and drill 1/4″holes at the marked locations.
Insert the provided wall anchors into the holes.
Apply a bead of 100% silicone sealant to the two grooves on the back of the mounting plate.
Position the mounting plate over the cable with the hooks to the left, and secure to the wall using
the two screws provided.
Check for level. If needed, loosen the screws and adjust the mounting plate.
Connect the cable to the user interface.
Engage the edge of the user interface with the two mounting plate hooks, then firmly swing the
user interface against the mounting plate until they snap together.
Refer to the User Guide included with the user interface to set up, program, and verify proper
function of the product.
Anchors
Horizontal and
Vertical
Adjustment
Hooks
Screws
Pencil
100% Silicone
Sealant
Front ViewBack View
Mounting
Plate
User
Interface
Kohler Co. 15 1237790-2-D

11. Components
Troubleshooting
NOTICE: This section is for general aid only. A Kohler Co. Authorized Service Representative or qualified
electrician should correct any electrical problems. For warranty service, call 1-800-4KOHLER from within
the USA and Canada, or 001-800-456-4537 from within Mexico.
NOTE: The product model number is printed on a label on the back of the bath.
NOTE: For service parts information, visit your product page at kohler.com/serviceparts.
Troubleshooting Table
Symptom Probable Cause Recommended Action
1. No sound; no experiences
are functioning. A. Power to the control amplifier is off. A. Reset the circuit breaker to the control amplifier, then check the
electrical power supply and
connections.
B. Control amplifier must be reset. B. If the red LED on the control
amplifier is not blinking, unplug the
control amplifier for 30 seconds,
then plug in and restart.
C. Experiences data module
connection is loose or damaged. C. Inspect the data module for loose connection or damage. Secure the
connection or replace the module as
needed.
D. An experience has not been
selected on the user interface. D. Select an experience.
E. Vibracoustic intensity is muted
on the user interface. E. Touch the [Mute] icon on the user interface to turn off the mute setting.
Heated SurfaceControl AmplifierTransducers
Chromatherapy
Lights Chromatherapy Control
AC Power
AC Power
User Interface
Heated Surface
Control
Heated Surface
Power Supply
Junction
Box
Experience Data
Module Location
Red
LED
Red
LED
1237790-2-D 16 Kohler Co.

Troubleshooting (cont.)
Troubleshooting Table
Symptom Probable Cause Recommended Action
F. User interface cable connections
are loose or damaged. F. Inspect the cables between the user interface, heated surface control, and
control amplifier. Secure connections
or replace cables as needed.
G. Control amplifier or heated
surface control does not work. G. If the red LED on the control amplifier does not blink following
restart, check the control amplifier
and/or heated surface control and
replace as needed.
H. User interface does not work. H. Check the user interface. Replace as
needed.
2. Music is distorted
(undesirable resonance)
when vibracoustic
functions are on.
A. Intensity setting is too high on
the user interface. A. Turn down the intensity setting on the user interface.
B. Transducers on the back surface
of the bath are in direct contact
with framing, joists, or other
materials.
B. Remove or reposition any materials
that are making direct contact with
the transducers.
C. One or more transducers on the
back surface of the bath are
loose.
C. Rotate the loose transducer(s)
clockwise with your fingers until
tight. Do not overtighten.
D. The bath is making direct
contact with framing, joists, or
other materials.
D. Identify the point of contact and
correct it. The bath must not make
contact with any framing or support
materials.
3. User interface does not
light up. A. Power to the control amplifier is not on. A. Reset the circuit breaker to the control amplifier, then check the
electrical power supply and
connections.
B. Control amplifier must be reset. B. If the red LED on the control
amplifier is not blinking, unplug the
control amplifier for 30 seconds,
then plug in and restart.
C. User interface cable connections
are loose or damaged. C. Inspect the cables between the user interface, heated surface control, and
control amplifier. Secure connections
or replace cables as needed.
D. Control amplifier or heated
surface control does not work. D. If the red LED on the control amplifier does not blink following
restart, check the control amplifier
and/or heated surface control and
replace as needed.
E. User interface does not work. E. Check the user interface. Replace as
needed.
4. User interface lights up
but does not work. A. Control amplifier must be reset. A. If the red LED on the control amplifier is not blinking, unplug the
control amplifier for 30 seconds,
then plug in and restart.
B. User interface cable connections
are loose or damaged. B. Inspect the cables between the user interface, heated surface control, and
control amplifier. Secure connections
or replace cables as needed.
Kohler Co. 17 1237790-2-D

Troubleshooting (cont.)
Troubleshooting Table
Symptom Probable Cause Recommended Action
C. Control amplifier or heated
surface control does not work. C. If the red LED on the control amplifier does not blink following
restart, check the control amplifier
and/or heated surface control and
replace as needed.
D. User interface does not work. D. Check the user interface. Replace as
needed.
5. Auxiliary music does not
work. A. Power to the control amplifier is not on. A. Reset the circuit breaker to the control amplifier, then check the
electrical power supply and
connections.
B. Control amplifier must be reset. B. If the red LED on the control
amplifier is not blinking, unplug the
control amplifier for 30 seconds,
then plug in and restart.
C. Auxiliary-in or user interface
cable connections are loose or
damaged.
C. Inspect the cables between the user
interface, heated surface control, and
control amplifier. Secure connections
or replace cables as needed.
D. Auxiliary music source option
is not selected on the user
interface.
D. Select the auxiliary music option on
the user interface.
E. Vibracoustic sound is muted on
the user interface. E. Touch the [Mute] icon on the user interface to turn off the mute setting.
F. Vibracoustic intensity is turned
down on the user interface. F. Turn up the vibracoustic intensity on the user interface.
G. Control amplifier or heated
surface control does not work. G. If the red LED on the control amplifier does not blink following
restart, check the control amplifier
and/or heated surface control and
replace as needed.
H. User interface does not work. H. Check the user interface. Replace as
needed.
(If Equipped) Chromatherapy Troubleshooting Table
Symptom Probable Cause Recommended Action
1. Chromatherapy lights do
not work. A. Power to the control amplifier is off. A. Reset the circuit breaker to the control amplifier, then check the
electrical power supply and
connections.
B. Control amplifier must be reset. B. Unplug the amplifier power supply
from the electrical outlet. Wait 30
seconds, then plug in the power
supply and restart.
C. Control amplifier does not
work. C. Replace the amplifier.
D. Chromatherapy or user interface
cable connections are loose or
damaged.
D. Inspect the cables for loose
connections or damage. Replace the
cables as needed.
E. User interface does not work
properly. E. Verify that the user interface cable is securely connected to the user
interface and the user interface
connection on the amplifier. If the
connections are good, replace the
user interface.
1237790-2-D 18 Kohler Co.

Troubleshooting (cont.)
(If Equipped) Chromatherapy Troubleshooting Table
Symptom Probable Cause Recommended Action
F. Chromatherapy feature has not
been selected on the user
interface.
F. Select the Chromatherapy feature
on the user interface.
G. Chromatherapy control does not
work. G. Replace the Chromatherapy control.
2. Chromatherapy lights do
not cycle through all
colors.
A. Control amplifier must be reset. A. Unplug the amplifier power supply
from the electrical outlet. Wait 30
seconds, then plug in the power
supply and restart.
B. Chromatherapy or user interface
cable connections are loose or
damaged.
B. Inspect the cables for loose
connections or damage. Replace the
cables as needed.
C. User interface does not work
properly. C. Cycle through the Chromatherapy light functions. If the lights do not
cycle through all colors and the
blue icon on the user interface is
not lit, replace the user interface.
D. If none of the recommended
actions correct the problem,
contact Kohler Co.
D. Contact the Customer Care Center
using the contact information on
the back cover.
3. Chromatherapy lights
remain locked on one
color.
A. Control amplifier must be reset. A. Unplug the amplifier power supply
from the electrical outlet. Wait 30
seconds, then plug in the power
supply and restart.
B. User interface does not work
properly. B. Cycle through the Chromatherapy light functions. If the lights do not
cycle through all colors and the
blue icon on the user interface is
not lit, replace the user interface.
C. Chromatherapy or user interface
cable connections are loose or
damaged.
C. Inspect the cables for loose
connections or damage. Replace the
cables as needed.
D. If none of the recommended
actions correct the problem,
contact Kohler Co.
D. Contact the Customer Care Center
using the contact information on
the back cover.
Heated Surface Troubleshooting Table
Symptoms Probable Cause Recommended Action
1. Heated surface does not
turn on. A. No power to the power supply. A. Set/reset GFCI or RCD breaker; check wiring and power supply
connections.
B. Heated surface control must be
reset. B. If the red LED on the heated surface control is not blinking,
unplug the control for 30 seconds,
then plug in and restart.
C. User interface cable connections
are loose or damaged. C. Inspect the cables between the user interface, heated surface control,
and control amplifier. Secure
connections or replace cables as
needed.
D. Heated surface control does not
work. D. Check the heated surface control. Replace as needed.
E. Power supply does not work. E. Check the power supply. Replace
as needed.
F. User interface does not work. F. Check the user interface. Replace as
needed.
Kohler Co. 19 1237790-2-D

Troubleshooting (cont.)
Heated Surface Troubleshooting Table
Symptoms Probable Cause Recommended Action
2. Bath is on, but there is
little or no heat. A. Heater cable loose or damaged. A. Inspect the cables between the user interface, heated surface control,
and control amplifier. Secure
connections or replace cables as
needed.
B. Heater/insulation loose on the
bath. B. Secure the heater/insulation to the bath.
C. Heat indicator is set to low heat. C. Press the plus [+] icon to increase
temperature.
D. Heater does not work. D. Replace the heater.
E. Temperature sensor does not
work. E. Replace the heater.
1237790-2-D 20 Kohler Co.