Kohler K-1966-VBW-0 Mode d'emploi

Installation Guide

Freestanding Vibracoustic Bath

with Heated Surface

Retain serial number for reference:

Conserver le numéro de série pour référence:

Guarde el número de serie para referencia:_____________________

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1237790-2-C

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)*. Grounding is required. The unit should be installed and grounded by a

qualiﬁed service representative.

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: 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-C 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 www.kohler.com for additional information.

NOTICE: Do not support the load weight of the bath by the rim.

NOTICE: Before installing a rim-mount bath faucet, refer to the speciﬁcation sheet on the product page at

www.kohler.com.

NOTICE: Several 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.

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.

Install the bath to an adequately supported, level ﬁnished ﬂoor.

This bath is designed for freestanding installation only.

If installing a rim-mount faucet, make sure there is no interference with the drain overﬂow before

drilling any holes. Consult local and national codes for minimum air gap requirements if installing a

spout on the rim.

Illustrations shown may not look like your actual product but they still apply for this installation.

This bath conforms to CSA B45.5/IAPMO Z124. All dimensions are nominal.

Safety Glasses PencilTape Measure

Silicone Sealant Level

Plus:

• Drop Cloth

• Shims

• Short Ø 1-1/2" PVC Pipe or Coupling

• 2x4

• Wood Blocks

• Gloves

Silicone Adhesive

Kohler Co. 3 1237790-2-C

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

Transducer

User Interface

1237790-2-C 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-C

1. Prepare the Rim-Mount Faucet (Optional)

NOTICE: Before installing a rim-mount bath faucet, refer to the speciﬁcation sheet on the product page at

www.kohler.com for faucet area dimensions for your model.

NOTICE: To accommodate the bath shroud, use ﬂexible connections to attach the water supplies to a

rim-mount faucet.

Position the faucet in the desired location along the bath. Ensure the faucet will not interfere with

the drain and overﬂow.

NOTE: Refer to the installation instructions packed with the faucet to determine faucet hole size.

Use a pencil to mark the faucet centerlines for drilling.

Carefully drill the faucet holes.

Bath

Rim

Recommended Faucet Area

(See Specification Sheet

for Dimensions)

1237790-2-C 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 www.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 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.

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.

NOTE: The drain pipe may need to be trimmed, depending on the drain installed.

Drain Pipe

Shroud

Finished

Floor

Trace the

hole.

Support Block

2-1/8"

(54 mm)

Kohler Co. 7 1237790-2-C

3. Prepare the Bath

NOTICE: Refer to the drain instructions to dry ﬁt to the bath. Do not cement and complete the drain

installation until instructed to do so.

Dry ﬁt the drain and overﬂow 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 silicone 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 sealant to the

bottom before positioning.

Attach to the

drain pipe.

Dry fit the

drain assembly.

Temporary

2x4 Support

1237790-2-C 8 Kohler Co.

4. Install 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-C

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

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-C 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-C

7. Install the Bath

Apply a generous amount of silicone sealant to the support blocks on the base of the shroud.

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 block spacers.

Secure all faucet connections and ﬁttings.

Route the bound cables through the hole in the bottom of the shroud.

Carefully remove the blocks and make sure the cables do not get pinched under the bath rim.

Ensure 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 silicone sealant to the seam

between the bath and the ﬁnished ﬂoor.

Apply silicone

sealant.

Temporary

Blocks

Alignment

Guide

1237790-2-C 12 Kohler Co.

8. Connect the Cables

Route the bound transducer cables 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 cables.

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

Transducer

User Interface

Kohler Co. 13 1237790-2-C

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 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 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. The white with black wires are the

positive (+) leads.

If equipped, connect the chromatherapy connector to the chromatherapy terminal.

Connect the inter-connect cable from the control box to the ampliﬁer.

If used, connect the optional auxiliary-in RCA connectors to the auxiliary-in terminals.

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-C 14 Kohler Co.

10. Install the 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 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 interface to set up, program, and verify proper function

of the product.

Anchors

Horizontal and

Vertical

Adjustment

Hooks

Screws

Pencil

Silicone

Sealant

Front ViewBack View

Mounting

Plate

User

Interface

Kohler Co. 15 1237790-2-C

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 blower side of the bath.

NOTE: For service parts information, visit your product page at www.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

User Interface

Heated Surface

Control

Heated Surface

Power Supply

Junction

Box

Experience Data

Module Location

Red

LED

Red

LED

1237790-2-C 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-C

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.

(Optional) 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. If the red LED on the control

ampliﬁer is not blinking, unplug

the control ampliﬁer for 30

seconds, then plug in and restart.

C. Chromatherapy feature has not

been selected on the user

interface.

C. Select the Chromatherapy feature

on the user interface.

D. Chromatherapy or user interface

cable connections are loose or

damaged.

D. Inspect the cables for loose

connections or damage. Secure or

replace cables as needed.

E. Control ampliﬁer does not

work.

E. If the red LED on the control

ampliﬁer does not blink following

restart, check the control ampliﬁer

and replace as needed.

1237790-2-C 18 Kohler Co.

Troubleshooting (cont.)

(Optional) Chromatherapy Troubleshooting Table

Symptom Probable Cause Recommended Action

F. User interface does not work. F. Verify that the user interface cable

is securely connected to the user

interface and the control ampliﬁer

terminal. If the connections are

good, replace 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. If the red LED on the control

ampliﬁer is not blinking, unplug

the control ampliﬁer for 30

seconds, then plug in and restart.

B. Chromatherapy or user interface

cable connections are loose or

damaged.

B. Inspect the cables for loose

connections or damage. Secure or

replace cables as needed.

C. Control ampliﬁer does not

work.

C. If the red LED on the control

ampliﬁer does not blink following

restart, check the control ampliﬁer

and replace as needed.

D. User interface does not work. D. 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.

E. If none of the recommended

actions correct the problem,

contact Kohler Co.

E. 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.

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.

Kohler Co. 19 1237790-2-C

Troubleshooting (cont.)

Heated Surface Troubleshooting Table

Symptoms Probable Cause Recommended Action

D. Heater does not work. D. Replace the heater.

E. Temperature sensor does not

work.

E. Replace the heater.

1237790-2-C 20 Kohler Co.

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