Kohler K-1168-GVBCW-96 Installation Guide download pdf (Page 18)

Troubleshooting (cont.)

Airjet System Troubleshooting Table

Symptoms Probable Causes Recommended Action

1. Blower motor will not

start.

A. Power cord from blower motor

to control is loose, disconnected,

or damaged.

A. Check wiring for proper

connections.

B. User interface cable connections

are loose or damaged.

B. Inspect the cables between the user

interface, heated surface control,

bubble control, and control

ampliﬁer. Secure connections or

replace cables as needed.

C. Bubble control does not work. C. Replace the bubble control.

D. Blower motor does not work. D. Replace the blower motor.

2. Blower motor stops

running and will not

immediately restart.

A. Blower motor overheated and

protection device activated.

A. Check for blockage at air inlet.

Remove blockage and allow motor

to cool. Refer to ″Blower motor will

not start.″

3. Blower motor starts, some

but not all airjets are

bubbling.

A. Blower motor speed is too low. A. Increase speed set point to blower

motor.

B. Blower air inlet is blocked. B. Clear blower air inlet.

C. Blower motor does not work. C. Replace the blower motor.

D. Blower motor discharge is

blocked.

D. Clear blockage.

E. Check valve does not work. E. Replace the check valve.

F. Airjets 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.

4. Blower motor runs but no

air bubbles are formed.

A. Blower air inlet is blocked. A. Clean blower air inlet.

B. Airjets 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. Bubble control does not work. D. Replace the bubble control.

E. Blower motor does not work. E. Replace the blower motor.

5. Blower motor operates,

air bubbles are formed,

zone controls work, but

variable speed feature

does not work.

A. Blower air inlet is blocked. A.

Clear blower air inlet.

B. Loose, disconnected, or

damaged wiring harness.

B. Check wiring for proper

connections. Replace the wiring

harness if necessary.

C. Bubble control does not work. C. Replace the bubble control.

D. Blower motor does not work. D. Replace the blower motor.

E. User interface does not work. E. Replace the user interface.

6. Blower motor won’t turn

off when the power icon

on user interface is

touched.

A. Loose, disconnected, or

damaged wiring harness.

A. Check wiring for proper

connections. Replace the wiring

harness if necessary.

B. Bubble control does not work. B. Replace the bubble control.

C. User interface does not work. C. Replace the user interface.

1212241-2-A 18 Kohler Co.

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Kohler K-1168-GVBCW-96 Installation Guide Page 18

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