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Troubleshooting Procedures (cont.)
Symptoms
Probable Causes
Recommended Action
3.
User keypad is
illuminated, but does not
respond to buttons or
outer ring.
A.
Control program is locked.
A.
Reset GFCI or ELCB.
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.
C.
User keypad does not work.
C.
Replace the user keypad.
D.
Control does not work.
D.
Replace the control.
4.
Blower motor won’t start.
A.
Power cord from blower motor
to control is loose, disconnected,
or damaged.
A.
Check wiring for proper
connections.
B.
Blower motor does not work.
B.
Replace the blower motor.
C.
Control does not work.
C.
Replace the control.
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. Blower
motor will not start.
″
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.
D.
Blower motor discharge is
blocked.
D.
Check blockage.
E.
Check valve does not work.
E.
Replace the check valve.
F.
Air jets are clogged.
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.
Some zones are closed.
G.
Operate all zones.
7.
Blower motor runs but no
air bubbles are formed.
A.
Blower motor inlet is blocked.
A.
Clean blower motor inlet.
B.
Air jets are clogged.
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.
Check valve does not work.
C.
Replace the check valve.
D.
Blower motor does not work.
D.
Replace the blower motor.
E.
Control does not work.
E.
Replace the control.
8.
Blower motor operates,
air bubbles are formed,
zone controls work, but
variable speed feature
does not work.
A.
Blower motor inlet is blocked.
A.
Clean blower motor inlet.
1035472-2-F
30
Kohler Co.
Summary of Contents for K-1110
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