Troubleshooting Procedures (cont.)

Symptoms

Probable Causes

Recommended Action

 

 

E.

Control does not work.

E.

Replace the control. Refer to your

 

 

 

 

 

installer or wholesale dealer.

3.

User keypad is

A.

Control program is locked.

A.

Reset GFCI or RCD.

 

illuminated, but does not

 

 

 

 

 

respond to buttons or

 

 

 

 

 

outer ring.

 

 

 

 

 

 

B.

P5 plug assembly harness from

B.

Check wiring for proper

 

 

 

user keypad to control is loose,

 

connections. Replace the wiring

 

 

 

disconnected, or damaged.

 

harness if necessary. Refer to your

 

 

 

 

 

installer or wholesale dealer.

 

 

C.

User keypad does not work.

C.

Replace the user keypad. Refer to

 

 

 

 

 

your installer or wholesale dealer.

 

 

D. Control does not work.

D. Replace the control. Refer to your

 

 

 

 

 

installer or wholesale dealer.

4. Blower motor will not

A.

No water in the bath.

A.

Fill the bath at least 2(5 cm)

 

start.

 

 

 

above the top of the highest air jet.

 

 

B.

Power cord from blower motor

B.

Check wiring for proper

 

 

 

to control is loose, disconnected,

 

connections.

 

 

 

or damaged.

 

 

 

 

C.

Blower motor does not work.

C.

Replace the blower motor. Refer to

 

 

 

 

 

your installer or wholesale dealer.

 

 

D. Control does not work.

D. Replace the control. Refer to your

 

 

 

 

 

installer or wholesale dealer.

5.

Blower motor stops

A.

Blower motor overheated and

A.

Check for blockage at motor vents.

 

running and will not

 

protection device activated.

 

Remove blockage and allow motor

 

immediately restart.

 

 

 

to cool. Refer to dealer or

 

Keypad is illuminated.

 

 

 

wholesale distributor. Otherwise,

 

 

 

 

 

refer to User keypad is

 

 

 

 

 

illuminated, but does not respond

 

 

 

 

 

to buttons or outer ring.

6. Blower motor starts, some

A.

Blower motor speed is too low.

A.

Increase speed setpoint to blower

 

but not all airjets are

 

 

 

motor.

 

bubbling.

 

 

 

 

 

 

B.

Blower motor inlet is blocked.

B.

Clean blower motor inlet.

 

 

C.

Blower motor does not work.

C.

Replace the blower motor. Refer to

 

 

 

 

 

your installer or wholesale dealer.

 

 

D. Blower motor discharge is

D. Check blockage.

 

 

 

blocked.

 

 

 

 

E.

Check valve does not work.

E.

Replace the check valve. Refer to

 

 

 

 

 

your installer or wholesale dealer.

 

 

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.

7. Blower motor runs but no

A.

Blower motor inlet is blocked.

A.

Clean blower motor inlet.

 

air bubbles are formed.

 

 

 

 

 

 

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. Refer to

 

 

 

 

 

your installer or wholesale dealer.

 

 

 

 

 

 

Kohler Co.

11

1038265-5-B

Page 11
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Kohler K-1375 manual Troubleshooting Procedures

K-1375 specifications

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