Kohler K-1110 Guide D'installation page 31

Troubleshooting Procedures (cont.)
Symptoms
3. User keypad is
illuminated, but does not
respond to buttons or
outer ring.
4. Blower motor won't 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.
8. Blower motor operates,
air bubbles are formed,
zone controls work, but
variable speed feature
does not work.
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Probable Causes
A. Control program is locked.
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. Power cord from blower motor
to control is loose, disconnected,
or damaged.
B. Blower motor does not work.
C. 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. Air jets are clogged.
G. Some zones are closed.
A. Blower motor inlet is blocked.
B. Air jets 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.
31
Recommended Action
A. Reset GFCI or RCD.
B. Check wiring for proper
connections. Replace the wiring
harness if necessary.
C. Replace the user keypad.
D. Replace the control.
A. Check wiring for proper
connections.
B. Replace the blower motor.
C. Replace the control.
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 setpoint 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.
1035472-2-G