Installation Guide

Troubleshooting (cont.)
Symptoms Probable Causes Recommended Action
6. Blower motor runs but no
air bubbles are observed.
A. Blower motor inlet is blocked. A. Clean blower motor inlet.
B. Airjets are clogged. B. Use a small between-the-teeth
dental brush and white vinegar.
Dip the brush in the vinegar, brush
the hole, rinse the brush in clean
water, and then use the wet rinsed
brush to rinse the hole.
C. Blower motor does not work. C. Replace the blower motor.
7. Blower motor operates,
air bubbles are observed,
but speed feature does
not work.
A. Blower motor inlet is blocked. A. Clean blower motor inlet.
B. Loose, disconnected, or
damaged wiring harness.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary.
C. User keypad does not work. C. Replace the user keypad.
D. Blower motor does not work. D. Replace the blower motor.
8. Blower motor does not
turn off when the On/Off
button is pressed.
A. User keypad does not work. A. Replace the user keypad.
B. Loose, disconnected, or
damaged wiring harness.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary.
C. Control does not work. C. Replace the control.
9. Purge mode does not
work.
A. User keypad does not work. A. Replace the user keypad.
B. Control does not work. B. Replace the control.
10. Bath does not purge
automatically.
A. Blower does not work. A. Replace the blower.
Heated Surface
Symptoms Probable Causes Recommended Action
11. Heated bath does not turn
on.
A. No power to power supply. A. Set/reset GFCI or RCD breaker;
check wiring.
B. User keypad cable loose or
damaged.
B. Check wire connections. If
necessary, replace user keypad
cable.
C. User keypad does not work. C. Check wire connections. Replace
user keypad.
D. Power supply does not work. D. Replace power supply.
12. Bath is turned on, but
there is little or no heat.
A. Heater cable loose or damaged. A. Check wire connections. If
necessary, replace heater cable.
B. Heater/insulation loose on the
bath.
B. Secure the heater/insulation to the
bath.
C. Heat indicator is yellow or
orange.
C. Press the [Up] arrow to increase
temperature.
D. Heater does not work. D. Replace the heater.
E. Temperature sensor does not
work.
E. Replace the heater.
13. Temperature does not
automatically reset to low
after 1 hour.
A. Temperature sensor does not
work.
A. Replace the heater and/or keypad.
14. Heat indicator is blinking
red.
A. Heating system needs to be
reset.
A. Press the [Power] icon to turn the
power off. Wait 10 seconds, then
turn the power on.
B. Heater does not work. B. Replace the heater.
15. Heat indicator is blinking
yellow.
A. Heating system needs to be
reset.
A. Press the [Power] icon to turn the
power off. Wait 10 seconds, then
turn the power on.
1204119-2-D 12 Kohler Co.