Kohler K-527 User manual

User Guide
Digital Interface
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-527, K-527-E K-528
1144502-5-D

Table of Contents
Interface Anatomy ................................................................ 3
Using Your Shower / Bath Filler ...................................................... 4
Settings – Enter Menu ............................................................. 6
Settings – Exit Menu .............................................................. 7
Clock – 12 or 24 Hour Time ......................................................... 8
Clock – Set the Time .............................................................. 9
Timed Shower / Bath Fill – Countdown Mode ........................................... 10
Timed Shower / Bath Fill – Set Duration ............................................... 11
Temperature – Set Unit of Measure .................................................. 12
Temperature – Set the Default ...................................................... 13
Temperature – Set the Maximum .................................................... 14
Water Outlets – Enable Both or Toggle (K-527 Only) ...................................... 15
Water Outlets – Set the Default Outlet ................................................ 16
Temperature – Warm-up Mode ...................................................... 17
Sound – ON/OFF ................................................................ 18
Troubleshooting ................................................................. 18
1144502-5-D 2 Kohler Co.

Interface Anatomy
[Power Icon]
Power ON / OFF / Pause
[Down Icon]
Temperature / Menu Down
[Up Icon]
Temperature / Menu Up
Outlet 1 and 2 ON
K-527 Only
Outlet 2 ON
Outlet 1 ON
Current Temperature or
Settings Option / Menu
Clock or Countdown
Timer (If Enabled)
[Outlet Icon]
Kohler Co. 3 1144502-5-D

Using Your Shower / Bath Filler
Bath Filler Systems Only
NOTICE: Risk of property damage. To prevent overflow, do not leave the bath filler running unattended.
IMPORTANT! For systems with both a bath filler and shower: When setting the default temperature, set
the default for comfortable showering; refer to the ″Temperature – Set the Default″section. Adjust your
desired bathing temperature manually as needed.
Turn ON/OFF Your Shower/Bath Filler
Press the [Power Icon] to turn ON your system. Your temperature will be set according to the
default. If your system was used within the last 2 minutes, the temperature will be the same as the
last use.
NOTE: The displayed temperature is the set temperature. The temperature displayed will blink until the
actual temperature reaches the set temperature.
Press the [Power Icon] and hold for 2 seconds to turn OFF your system.
Decrease the Temperature
Decrease the temperature by pressing the [Down Icon]. One icon press = 1°F (0.5ºC).
Press and hold the [Down Icon] to decrease the temperature; the temperature setting will change by
1°F (0.5ºC) every 0.5 seconds.
Increase the Temperature
Increase the temperature by pressing the [Up Icon]. One icon press = 1°F (0.5ºC) up to 106°F (41°C).
NOTE: For temperatures of 106°F (41°C) and above, the system will only allow icon presses that are 2
seconds or more apart.
Press and hold the [Up Icon] to increase the temperature, the temperature setting will change by 1°F
(0.5ºC) every 0.5 seconds up to 106°F (41°C); and every 1 second for temperatures above 106°F
(41°C).
1144502-5-D 4 Kohler Co.

Using Your Shower / Bath Filler (cont.)
Pausing Your Shower/Bath Filler
Press the [Power Icon] for less than 2 seconds to pause your shower. To resume showering, press
the [Power Icon] again.
The shower will keep the current temperature settings if the shower is resumed within 2 minutes. If
the shower is not resumed within 2 minutes, the system will automatically turn OFF.
Changing Active Water Outlets
For K-527-E Only: Press the [Outlet Icon] to toggle between the two outlets.
For K-527 Only: Your system may be set for either single or dual-outlet operation. To have only one
outlet on at a time, enable single-outlet operation in the ″Water Outlets – Enable Both or Toggle″
section.
For K-527 Only: Press the [Outlet Icon] to toggle between the two outlets or to allow both outlets to
flow at the same time.
Kohler Co. 5 1144502-5-D

Settings – Enter Menu
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to select the setting you wish to change:
•Prog 1 = Clock – 12 or 24 Hour Time
•Prog 2 = Clock – Set the Time
•Prog3=Timed Shower – Countdown Mode
•Prog4=Timed Shower – Set Duration
•Prog5=Temperature – Set Unit of Measure
•Prog6=Temperature – Set the Default
•Prog7=Temperature – Set the Maximum
•Prog8=Water Outlets – Enable Both or Toggle (K-527 Only)
•Prog9=Water Outlets – Set the Default Outlet
•Prog 10 = Temperature – Warm-up Mode
•Prog 11 = Sound – ON/OFF
•Prog En = Settings – Exit Menu
+
Press and hold both icons
for 2 seconds.
1144502-5-D 6 Kohler Co.

Settings – Exit Menu
To exit the settings menu, press the [Power Icon] until you are on a ″Prog #″screen.
Using the [Up Icon] or [Down Icon], step through the screens to the ″Prog En″screen.
Press the [Power Icon] to exit the settings menu.
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Clock – 12 or 24 Hour Time
This setting allows you to choose between 12- or 24- hour clock display.
Factory default for this setting is 12-hour display (12).
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 1″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to step to ″12″or ″24.″
Press the [Power Icon] to set your selection.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
1144502-5-D 8 Kohler Co.

Clock – Set the Time
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 2″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to adjust the hour. Press the [Power Icon] to set.
Use the [Up Icon] or [Down Icon] to adjust the minutes. Press the [Power Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Set the hour then minutes.
Kohler Co. 9 1144502-5-D

Timed Shower / Bath Fill – Countdown Mode
This setting enables or disables timed showering/bath fill. When enabled, a countdown timer will begin
counting down at system start-up and the system will automatically turn off after the set duration.
The countdown timer will chime (if sound is enabled) at 2 minutes remaining (2:00). At 1 minute remaining
(1:00), the system will chime (if the sound is enabled) and the timer will blink for the remaining 59 seconds.
Factory default for this setting is disabled (n).
NOTE: The shower/bath fill can be paused and resumed at any time during the countdown.
Set the time duration within the ″Prog 4″screens.
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 3″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to choose ″n″to disable timed showering/bath fill, or ″y″to
enable. Press the [Power Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Choose to disable (n)
or enable (y).
1144502-5-D 10 Kohler Co.

Timed Shower / Bath Fill – Set Duration
This setting sets the time duration allotted for showering/bath fill. The time duration defaults to 8 minutes
(8:00); duration can be set in whole-minute increments between 4 and 12 minutes (4:00 and 12:00).
When enabled, a countdown timer will begin counting down at system start-up and the system will
automatically turn off after the set duration. Time will be displayed in minutes:seconds format.
Timed showering/bath fill must be enabled within the ″Prog 3″screens.
IMPORTANT! Before setting timed fill for a bath filler, time how long it takes to fill your bath to the
desired depth; take into consideration the water that will be displaced by your body. Start timing at
system start-up then adjust the temperature as desired.
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 4″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to set the time as desired. Press the [Power Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Set the minutes for the
countdown timer.
Kohler Co. 11 1144502-5-D

Temperature – Set Unit of Measure
This setting allows you to choose to display temperature in degrees Fahrenheit or degrees Celsius.
Factory default for this setting is degrees Fahrenheit (°F).
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 5″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to select either °F or °C. Press the [Power Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Choose Fahrenheit or Celcius.
1144502-5-D 12 Kohler Co.

Temperature – Set the Default
IMPORTANT! For systems with both a bath filler and shower: When setting the default temperature, set
the default for comfortable showering; adjust your desired bathing temperature manually as needed.
This setting allows you to set the temperature the shower will be set to at initial start-up.
Factory default for this setting is the limit specified in program 7, up to 100°F (37.8°C). The minimum
temperature setting is 86°F (30°C).
NOTE: The maximum temperature setting is the limit specified in program 7, up to 120°F (48.9°C).
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 6″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to set the desired default temperature. Press the [Power Icon] to
set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Set your preferred default
temperature.
Kohler Co. 13 1144502-5-D

Temperature – Set the Maximum
This setting allows you to limit the maximum water temperature allowed for showering.
Factory default for this setting is 113°F (45°C).
NOTE: The maximum temperature setting is 120°F (48.9°C).
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 7″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to set the desired maximum temperature. Press the [Power Icon]
to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Set the maximum
temperature limit.
1144502-5-D 14 Kohler Co.

Water Outlets – Enable Both or Toggle (K-527 Only)
Factory default for this setting is dual-outlet operation (y).
Single-outlet operation (n):
•This setting allows for only one outlet to be on at a time. Both outlets can be used, but user can
only toggle between outlet 1 and outlet 2.
Dual-outlet operation (y):
•This setting allows for single- and dual-outlet operation. The user may have both outlets on at once
or toggle between the individual outlets.
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 8″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to choose ″n″for single outlet operation, or ″y″to allow both
outlets to be on at once. Press the [Power Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Choose single-outlet operation (n)
or enable dual-outlet operation (y).
Kohler Co. 15 1144502-5-D

Water Outlets – Set the Default Outlet
This setting determines which outlet(s) will default on when at shower start-up.
Factory default for this setting is outlet 1 (1).
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 9″screen. Press the [Power Icon].
NOTE: For K-527 only: Both outlets must be enabled (Prog 8) for ″b″to show up as an option. See the
″Water Outlets – Enable Both or Toggle″section.
NOTE: Both outlets (b) is only an option for K-527.
Use the [Up Icon] or [Down Icon] to choose the outlet(s) that will be on at shower start-up; ″1″for
outlet 1 to be the default, ″2″for outlet 2, or ″b″for both outlets (K-527 only). Press the [Power Icon]
to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Choose default outlets: outlet 1
(1), outlet 2 (2), or both (b).
1144502-5-D 16 Kohler Co.

Temperature – Warm-up Mode
When enabled, the shower will turn on and water will flow until the set temperature (default) is reached.
Factory default for this setting is warm-up mode disabled (n).
NOTE: The displayed temperature is the set temperature. The temperature displayed will blink until the
actual temperature reaches the set temperature.
Once the set temperature is reached the shower will automatically pause until the user presses the [Power
Icon] to resume showering. If the shower is not resumed within 2 minutes, the system will automatically
turn off.
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 10″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to choose ″y″to enable warm-up mode for the default outlet, ″b″
for both outlets, or ″n″to disable. Press the [Power Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Press and hold both icons
for 2 seconds.
+
Enable default outlet (y), both outlets (b),
or disable (n).
Kohler Co. 17 1144502-5-D

Sound – ON/OFF
This setting turns the chime, associated with icon presses and the countdown for timed showering, ON or
OFF.
Factory default for this setting is chime ON (y).
Press and hold the [Power Icon] and the [Up Icon] to enter the settings menu. If your shower is on,
the water will be shut off.
Use the [Up Icon] or [Down Icon], to step to the ″Prog 11″screen. Press the [Power Icon].
Use the [Up Icon] or [Down Icon] to choose ″n″to disable chime, or ″y″to enable. Press the [Power
Icon] to set.
Press the [Power Icon] again to return to the settings menu.
Continue Set-up: Use the [Up Icon] or [Down Icon], to choose the next desired setting; press the
[Power Icon] to select. See the section for the chosen setting.
To Exit the Settings Menu: Use the [Up Icon] or [Down Icon], to step to the ″Prog En″screen and
press the [Power Icon]. The system will go into standby mode.
Troubleshooting
WARNING: Risk of electric shock. Disconnect power before performing any maintenance. When
disconnected, the product will no longer be electrically live, which will eliminate the risk of electric
shock.
CAUTION: Risk of personal injury. The valve may contain hot water; be careful when draining
any residual water.
NOTICE: Turn OFF the power and water supply to the valve before performing any maintenance to the
valve.
It is recommended that any valve maintenance should be performed by a Kohler Co. Authorized Service
Representative.
Press and hold both icons
for 2 seconds.
+
Enable (y) or disable (n)
chime.
1144502-5-D 18 Kohler Co.

Troubleshooting (cont.)
This troubleshooting guide is for general aid only. For service and installation issues or concerns, call
1-800-4KOHLER.
Troubleshooting Table
Symptoms Probable Cause Recommended Action
1. Control panel is not lit. A. Valve is not plugged into the
outlet. A. Plug the valve into an outlet.
B. Interface cable connections may
be loose or disconnected. B. Check all interface cable connections, connect if needed.
C. Circuit breaker has been
tripped. C. Reset the circuit breaker.
D. The valve memory may require
resetting. D. Disconnect and reconnect the valve power cord from the electrical
outlet.
E. A″straight-through″cable or
coupler was used to connect the
interface to the valve.
E. Connect the interface to the valve
using a ″cross-over″cable and
coupler.
F. If none of the recommended
actions for the above issues
correct the symptom, the valve
or interface requires servicing.
F. Contact your Kohler Co.
Authorized Service Representative.
2. The interface power
indicator is lit, but the
system will not turn on.
A. Interface cable connections may
be loose. A. Check all interface cable connections, connect if needed.
B. If the above recommended
action does not correct the
symptom, the interface or valve
requires servicing.
B. Contact your Kohler Co.
Authorized Service Representative.
3. The interface functions
normally but no water
flows from the
components.
A. Valve outlets may be blocked. A. Check the valve outlets for
blockage or debris. Clean the outlet
screens. Refer to the ″Clean the
Outlet Screens″section in the Valve
Homeowners Guide.
B. Fittings/Spray faces may be
blocked. B. Clean the spray faces and any screens in your fittings.
C. Hot and cold water supplies are
not turned on. C. Turn on the water supply to the valve.
D. The valve memory may require
resetting. D. Disconnect and reconnect the valve power cord from the electrical
outlet.
E. System error. E. Check the user interface for an
error code. Refer to the ″Error Code
Diagnosis″section in the Digital
Interface Homeowners or User
Guide.
F. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
F. Contact your Kohler Co.
Authorized Service Representative.
4. Maximum blend
temperature too hot or
too cold.
A. Incorrect maximum temperature
setting. A. Refer to the ″Set the Maximum Temperature″section in the Digital
Interface User Guide.
B. If the above recommended
action does not correct the
symptom, the interface or valve
requires servicing.
B. Contact your Kohler Co.
Authorized Service Representative.
5. Continuous flow. A. System will not switch off. A. Turn off the water and power
supply and contact your Kohler Co.
Authorized Service Representative.
Kohler Co. 19 1144502-5-D

Troubleshooting (cont.)
Troubleshooting Table
Symptoms Probable Cause Recommended Action
6. Only cold water flows
from the outlets. A. Hot water supply is either not turned on or not connected to
the valve inlet.
A. Check if the hot water supply is
turned on and connected to the
valve inlet.
B. Hot water inlet is blocked. B. Check the hot water inlet screen for
blockage. Clean or replace the inlet
screen. Refer to the Valve
Homeowners Guide.
C. The hot water supply is
exhausted. C. Allow time for the water heater to come up to temperature.
D. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
D. Contact your Kohler Co.
Authorized Service Representative.
7. Fluctuating or reduced
flow rate. Valve is
functioning properly.
A. Valve inlets may be blocked. A. Check the valve inlets for blockage
or debris. Clean the inlet screens.
Refer to the ″Clean the Inlet
Screens″section in the Valve
Homeowners Guide.
B. Fittings/Spray faces may be
blocked. B. Clean the spray faces and any screens in your fittings.
C. Water outlet pressure is low. C. Check that the flow rate is at or
above the minimum rate required.
Refer to ″Specifications″section in
the Valve Homeowners Guide.
D. Fluctuating supply pressure. D. Verify that the dynamic inlet
pressures are within specifications.
Refer to ″Specifications″section in
the Valve Homeowners Guide.
E. Water supply temperatures are
not within the recommended
range.
E. Check if inlet water temperatures
are within the recommended range.
8. Blend temperature drift or
temperature cycling. A. Fluctuating water supply temperature. A. Check the inlet temperature differentials and verify they are
sufficient. Refer to ″Specifications″
section in the Valve Homeowners
Guide.
B. Pressure difference greater than
5 psi (34.5 kPa) between the hot
and cold supply lines.
B. Install pressure regulators to bring
the supplies within 5 psi (34.5 kPa)
of each other.
C. If none of the recommended
actions for the above issues
correct the symptom, the valve
requires servicing.
C. Contact your Kohler Co.
Authorized Service Representative.
9. Water leaking from the
valve.
CAUTION: Risk of
personal injury or
product damage. Turn off
the main power and
water supply.
A. Connections are not secure. A. Check all connections. Make
adjustments as needed.
B. Seals are worn or damaged. B. Order a seal service pack and
replace all seals.
C. Internal leak. C. Unit requires overhaul. Contact
your Kohler Co. Authorized Service
Representative.
10. Hot water only, the valve
shuts down. A. Hot and cold lines are reversed. A. Switch hot and cold water supply connections. Verify the hot water
supply is connected to the inlet
marked ″H″and the cold water
supply is connected to the inlet
marked ″C.″
1144502-5-D 20 Kohler Co.