Kohler K-1110 Mode D'emploi page 30

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.
1035472-2-E
Probable Causes
E. Control is shorted internally.
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.
30
Recommended Action
E. Replace the control.
A. Reset GFCI or ELCB.
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.
Kohler Co.