Troubleshooting (cont.)
Symptoms
4.
Blower motor will not
start.
5.
Blower motor stops
running and will not
immediately restart.
Keypad is illuminated.
6. Blower motor starts, some
but not all airjets are
bubbling.
7. Blower motor runs but no
air bubbles are formed.
1087307-5-F
Probable Causes
B. P5 plug assembly harness from
user keypad to control is loose,
disconnected, or damaged.
C. User keypad does not work.
D. Control does not work.
A. No water in the bath.
B. Power cord from blower motor
to control is loose,
disconnected, or damaged.
C. Blower motor does not work.
D. Control does not work.
A. Blower motor overheated and
protection device activated.
A. Blower motor speed is too low.
B. Blower motor inlet is blocked.
C. Blower motor does not work.
D. Blower motor discharge is
blocked.
E. Check valve does not work.
F.
Airjets are plugged.
A. Blower motor inlet is blocked.
B. Airjets are plugged.
C. Check valve does not work.
D. Blower motor does not work.
E. Control does not work.
Recommended Action
B. Check wiring for proper
connections. Replace the wiring
harness if necessary. Refer to your
installer or wholesale dealer.
C. Replace the user keypad. Refer to
your installer or wholesale dealer.
D. Replace the control. Refer to your
installer or wholesale dealer.
A. Fill the bath at least 2" (51 mm)
above the top of the highest airjet.
B. Check wiring for proper
connections.
C. Replace the blower motor. Refer to
your installer or wholesale dealer.
D. Replace the control. Refer to your
installer or wholesale dealer.
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."
A. Increase speed setpoint to blower
motor.
B. Clean blower motor inlet.
C. Replace the blower motor. Refer to
your installer or wholesale dealer.
D. Clear blockage.
E. Replace the check valve. Refer to
your installer or wholesale dealer.
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.
A. Clean blower motor inlet.
B. 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.
C. Replace the check valve. Refer to
your installer or wholesale dealer.
D. Replace the blower motor. Refer to
your installer or wholesale dealer.
E. Replace the control. Refer to your
installer or wholesale dealer.
10
Kohler Co.