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Troubleshooting (cont.)
Symptoms Probable Causes Recommended Action
C. Electrical wiring to the power
cord is wet or damaged.
C. Have a qualified electrician
diagnose and correct the problem in
accordance with applicable building
and electrical codes.
D. Blower motor does not work. D. Replace the blower motor. Refer to
your installer or wholesale dealer.
E. Control does not work. E. Replace the control. Refer to your
installer or wholesale dealer.
3. User keypad is
illuminated, but does not
respond to buttons or
outer ring.
A. Control program is locked. A. Reset GFCI or RCD.
B. P5 plug assembly harness from
user keypad to control is loose,
disconnected, or damaged.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary. Refer to your
installer or wholesale dealer.
C. User keypad does not work. C. Replace the user keypad. Refer to
your installer or wholesale dealer.
D. Control does not work. D. Replace the control. Refer to your
installer or wholesale dealer.
4. Blower motor will not
start.
A. No water in the bath. A. Fill the bath at least 2″ (5.1 cm)
above the top of the highest airjet.
B. Power cord from blower motor
to control is loose,
disconnected, or damaged.
B. Check wiring for proper
connections.
C. Blower motor does not work. C. Replace the blower motor. Refer to
your installer or wholesale dealer.
D. Control does not work. D. Replace the control. Refer to your
installer or wholesale dealer.
5. Blower motor stops
running and will not
immediately restart.
Keypad is illuminated.
A. Blower motor overheated and
protection device activated.
A. Check for blockage at motor vents.
Remove blockage and allow motor
to cool. Refer to dealer or wholesale
distributor. Otherwise, refer to
″User keypad is illuminated, but
does not respond to buttons or
outer ring.″
6. Blower motor starts, some
but not all airjets are
bubbling.
A. Blower motor speed is too low. A. Increase speed setpoint to blower
motor.
B. Blower motor inlet is blocked. B. Clean blower motor inlet.
C. Blower motor does not work. C. Replace the blower motor. Refer to
your installer or wholesale dealer.
D. Blower motor discharge is
blocked.
D. Clear blockage.
E.
Check valve does not work. E. Replace the check valve. Refer to
your installer or wholesale dealer.
F. Airjets are plugged. F. Wet a soft, non-abrasive cloth with
white vinegar and wipe the
plugged hole. Rinse the area with
clean water to avoid long-term
exposure of the vinegar to the bath
or airjet surface.
7. Blower motor runs but no
air bubbles are formed.
A. Blower motor inlet is blocked. A. Clean blower motor inlet.
Kohler Co. 9 1159617-5-B