Kohler K-1167 Installation Manual page 24

Troubleshooting (cont.)
Symptoms
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.
8. Blower motor operates,
air bubbles are formed,
zone controls work, but
variable speed feature
does not work.
9. Blower motor won't turn
off when the power
button on user keypad is
pressed.
10. A zone does not produce
air bubbles but another
zone operates normally.
11. Surge mode does not
work.
1167629-2-A
Probable Causes
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 clogged.
G. Some zones are closed.
A. Blower motor inlet is blocked.
B. Airjets are clogged.
C. Check valve does not work.
D. Blower motor does not work.
E. Control does not work.
A. Blower motor inlet is blocked.
B. Loose, disconnected, or
damaged wiring harness.
C. User keypad does not work.
D. Blower motor does not work.
E. Control does not work.
A. User keypad does not work.
B. Loose, disconnected, or
damaged wiring harness.
C. Control does not work.
A. Zone is not selected.
B. Butterfly valve does not work.
C. Loose, disconnected, or
damaged wiring harness.
D. User keypad does not work.
E. Control does not work.
A. User keypad does not work.
Recommended Action
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. Blower
motor will not start."
A. Increase speed set point to blower
motor.
B. Clean blower motor inlet.
C. Replace the blower motor.
D. Check blockage.
E. Replace the check valve.
F. 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.
G. Operate all zones.
A. Clean blower motor inlet.
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. Replace the check valve.
D. Replace the blower motor.
E. Replace the control.
A. Clean blower motor inlet.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary.
C. Replace the user keypad.
D. Replace the blower motor.
E. Replace the control.
A. Replace the user keypad.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary.
C. Replace the control.
A. Select the zone according to the
instructions in the "Confirm Proper
Operation" section.
B. Replace the butterfly valve.
C. Check wiring for proper
connections. Replace the wiring
harness if necessary.
D. Replace the user keypad.
E. Replace the control.
A. Replace the user keypad.
24 Kohler Co.